march 2015 outcrop
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Volume 64 • No. 3 • March 2015
OUTCROPNewsletter of the Rocky Mountain Association of Geologists
OUTCROP | March 2015 2 Vol. 64, No. 3 | www.rmag.org
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Vol. 64, No. 3 | www.rmag.org 3 OUTCROP | March 2015
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Class Descriptions and Register Online: www.pttcrockies.org For more information, contact Mary Carr, 303.273.3107, [email protected]
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2015: Mapping Our FutureThank you to our 2015 Sponsors!
Platinum Sponsors
Water Sponsor Pen SponsorCookie Sponsor
Gold SponsorsAnschutzBallard PetroleumBlack Hills E&PBorder to Border Exploration Breckenridge Exploration CoBurnett Oil Company Inc
Mitcham Industries, Inc.Nighthawk Production LLCSeismic Equipment SolutionsSeismic Exchange Inc.Sigma3
Silver Sponsors3D Imaging TechnologyApplegate Exploration LLCCentenial ResourcesFlamingo Seismic SolutionsGreen River Energy ResourcesHardin International Processing, InciReservoir
Roxanna Oil Company Seisware IncSpectraSeisSummit GeophysicalUni�ed GeosystemsWhite Eagle ExplorationWireless Seismic
Cougar Land ServicesExcel Geophysical ServicesGreat Western Oil & GasHawkwood Energy, LLCKimmeridge EnergyLynn Peyton & Rich Bottjer
IS Interpretation Services, Inc.Interactive Earth Sciences CorpJack WienerLario Oil & GasLumina Technologies IncMacKay ConsultingMEQ Geo Inc.
OUTCROP | March 2015 4 Vol. 64, No. 3 | www.rmag.org
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Vol. 64, No. 3 | www.rmag.org 5 Outcrop | March 2015
OUTCROPThe Rocky Mountain Association of Geologists
The Rocky Mountain Association of Geologists (RMAG) is a nonprofit organization whose purposes are to promote interest in geology and allied sciences and their practical application, to foster scientific research and to encourage
fellowship and cooperation among its members. The Outcrop is a monthly publication of the RMAG.
910 16th Street • Suite 1214 • Denver, CO 80202 • 303-573-8621
PRESIDENTMarv [email protected]
PRESIDENT-ELECTJohn Ladd
TREASURER-ELECTTom Sperr
2nd VICE PRESIDENTChris Eisinger
1st VICE PRESIDENTMel Klinger
SECRETARYStephanie B. Gaswirth
1st YEAR COUNSELORJane Estes-Jackson
TREASURERPaul Lillis
2nd YEAR COUNSELOR Terri Olson
EXECUTIVE DIRECTORCarrie Veatch, MA
MEMBERSHIP & EVENTS MANAGER
Hannah [email protected]
PROJECTS SPECIALISTEmily [email protected]
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2015 OFFICERS AND BOARD OF DIRECTORS RMAG STAFF
WEDNESDAY NOON LUNCHEON RESERVATIONS
RMAG Office: 303-573-8621 | Fax: 303-476-2241 | [email protected] or www.rmag.org
The Outcrop is a monthly publication of the Rocky Mountain Association of Geologists
ADVERTISING INFORMATION
Rates and sizes can be found on page 5. Advertising rates apply to either black and white or color ads. Submit color ads in RGB color to be compatible with web format. Borders are recommended for advertisements that comprise less than one half page. Digital files must be PC compatible submitted in png, jpg, tif, pdf or eps formats at a minimum of 300 dpi. If you have any questions, please call the RMAG office at 303-573-8621.
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Vol. 64, No. 3 | www.rmag.org 7 OUTCROP | March 2015
OUTCROPNewsletter of the Rocky Mountain Association of Geologists
Volume 64 • No. 3 • March 2015
OUTCROPNewsletter of the Rocky Mountain Association of Geologists
FEATURES
22 Lead Story: WSGS Publishes Field Guide to Some of the World’s Best Ancient Stromatolites
ASSOCIATION NEWS
2 RMAG 2015 3D Seismic Symposium Sponsors
30 RMAG 2015 Summit Sponsors
32 RMAG Foundation
33 RMAG Night at the Zoo
35 RMAG Core Workshop
36 RMAG Annual Golf Tournament
37 RMAG/DAPL GeoLand Ski Day
38 RMAG Short Course
39 RMAG Symposium - Hot Plays
DEPARTMENTS
8 RMAG January 2015 Board of Directors Meeting
12 President’s Letter
18 RMAG Luncheon Programs: Speaker — Dr. Steven Tedesco
20 RMAG Luncheon Programs: Speaker — Jeremy Boak
28 Welcome New RMAG Members!
33 In the Pipeline
34 Memoriam
40 Advertiser Index
40 Calendar
COVER PHOTOWyoming Stromatolite. Formed 1.5 to 2.5 B.y.a. Photo by Dr. David Lageson
CONTENTS
OUTCROP | March 2015 8 Vol. 64, No. 3 | www.rmag.org
RMAG JAnuARy 2015 BoARd of diRectoRs MeetinG
The first official meeting of the 2015 RMAG Board of Directors was held on January 21, 2015 at 3:30 p.m. We were well prepared for the meeting by our prede-cessors on the 2014 Board of Directors, and are grate-ful to them for the service to RMAG over the previ-ous year. Paul Lillis gave the financial report, and the society remains in good financial standing. Summit sponsorships for the society are still being solicited,
and membership renewals continue to be collected by the office staff. If you have not renewed your RMAG membership for 2015, please do so ASAP. There is a short grace period on renewals, after which you will be unable to access many of the member benefits that RMAG provides, such as The Mountain Geologist publi-cation and member rates for RMAG events.
RMAG is busy preparing to co-host the 2015 AAPG ACE meeting, to be held in Denver from May 31-June 3. There will be fantastic field trips, tech-nical sessions and events associated with the meet-ing; registration is now open! There is also a “Night at the Zoo” on June 2, co-hosted by RMAG and AAPG, with Dr. Scott Sampson, the Chief Curator at the Denver Museum of Nature and Science (and on-air host of Dinosaur Train, for those of you with young children).
The first monthly RMAG luncheon of the year, held at Maggiano’s, was a huge success with over 150
RMAG JANUARY 2015 BOARD OF DIRECTORS MEETING
By Stephanie Gaswirth, [email protected]
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OUTCROP | March 2015 10 Vol. 64, No. 3 | www.rmag.org
RMAG JAnuARy 2015 BoARd of diRectoRs MeetinG
people in attendance. If you have a suggestion for a speaker, please contact Chris Eisinger ([email protected]).
There are some terrific RMAG events in the up-coming months, including the RMAG-DAPL GeoLand Ski Day at Beaver Creek on March 6, a Bakken core workshop in Grand Forks, ND, and the Seismic In-terpretation for Explorationists spring short course on April 16, 2015, taught by Bruce Trudgill. Reserve your spots!
The board spent the majority of the meeting re-viewing the RMAG Strategic Plan, which is nearing completion and approval. This document, which clarifies RMAG’s mission, vision, core values and goals, is the result of the exceptional and hard work of president Marv Brittenham, Executive Director Carrie Veatch, the 2014 RMAG Board, and the RMAG long-range planning committee. The plan will pro-vide a more clear and focused course of shared gov-ernance direction to the RMAG volunteer leadership, staff, and members.
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www.rmag.org45OUTCROP
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OUTCROP | March 2015 12 Vol. 64, No. 3 | www.rmag.org
THE 800 POUND GORILLAMy intention this month
was to highlight relationships and RMAG. But, how could I ignore the 800 pound gorilla in the room, plummeting oil prices? If you attended the January luncheon, Pete Stark provided a lot of insight on the drivers of the precipitous price fall in his annual review. He
also gave some perspective on factors that may offset the market over-supply. If you missed his talk, The Explo-ration Conundrum – Where Will Tomorrow’s Oil Come From, he cites a startling five year decline in worldwide conven-tional discoveries, numbers and volumes. The abstract is in the January Outcrop.
The lost oil supply volume has been more than offset by North American unconventional growth, to such extent that the production growth, along with decreased demand and OPEC abandoning controls, has result-ed in the current price collapse. The premise in his title is that the lack of significant conven-tional discoveries over the last five years may result in future short oil supply. Good news in light of our current circumstanc-es, but not so good in terms of future world oil supply. Other than offering that limited ray of sunshine, I can’t shed any light on the depth or duration of this price downturn. Hopefully we’ll have more perspective by the time this appears in a month. But, our domestic production is still growing due to completion lag on wells already drilled; so don’t look for a quick fix.
We recognize these cycles are a long term risk to RMAG, which is why we have been building reserves in a “rainy day fund” and are working on a five year strategic plan.
PRESIDENT’S LETTER
By Marv Brittenham
Relationships… and the 800 pound gorilla
» CONTINUED ON PAGE 14
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OUTCROP | March 2015 14 Vol. 64, No. 3 | www.rmag.org
PResident’s LetteR
RELATIONSHIPSRMAG enjoys close relation-
ships with a number of geosci-ence organizations, but none as long as AAPG. RMAG and AAPG share some interesting early history as related in The Moun-tain Geologist October 1997, 75 Years of the RMAG. AAPG was organized in 1917 and RMAG in 1922 with some of the same founders. In fact AAPG was first incorporated in 1924 in Colo-rado, moving to Oklahoma in 1925. Regional AAPG meetings were held in Denver in 1922 and again in 1927 just prior to a worldwide oil glut in 1928 and
the market crash of 1929. Does that sound like a familiar theme? In fact RMAPG was our association’s original name as it originally focused primarily on pe-troleum geology. RMAG became an affiliated society of AAPG in 1954. Both organizations have evolved a lot in all those years and we’re both now approaching our 100th anniversaries! AAPG will celebrate its anniversary at its ACE meeting in Houston in 2017. RMAG will kick off its celebration early during the AAPG ACE meeting in
Denver 2021, followed by the full celebration in 2022.
At times we have had a strained relationship; like the last two years when AAPG began the URTEC conferences causing disruption to our fall programs and competition with our Rocky Mountain Section meetings. AAPG has become an interna-tional organization and is likely to continue to grow and evolve. In some ways we must also view AAPG as a possible 800 pound gorilla as it is ten times larger than RMAG. There will be uncer-tainty in how it relates to its af-filiated societies as it grows and expands internationally. Fortu-nately though, RMAG also has had a long history of leadership within AAPG so we often have a voice in how it has evolved. Last year, under the direction of AAPG president and RMAG member Randi Martinsen, AAPG supported the RMAG hosted
Harriett and I at 40 years, 2006.
tracker resou
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OUTCROP | March 2015 16 Vol. 64, No. 3 | www.rmag.org
PResident’s LetteR
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Rocky Mountain Section meeting with a generous cash sponsorship to help offset the effect of the competition from URTEC!
For now we have the honor of hosting the 2015 AAPG ACE meeting this spring. By now you have received your announcement and hopefully made your plans to attend. Not only does this meeting bring an exciting international geoscience program to Denver but it also, through our revenue sharing agreement, helps to fund RMAG’s programs into the future!
Of course my marriage is my longest term relationship now going on 49 years! My friends know that its duration has been mostly due to my very patient wife. RMAG is a close second though at 42.
Feel free to contact me if you have any ideas to make RMAG bet-ter. We want to be The Best Place for Rockies Geoscience.
DONATE NOW
Please to contribute to the RMAG.
Your RMAG contribution supports the calendar of 2015 of RMAG events, including short courses, symposia, social events,
monthly luncheons, and more.
Click here to make a contribution online!
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Vol. 64, No. 3 | www.rmag.org 17 OUTCROP | March 2015
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OUTCROP | March 2015 18 Vol. 64, No. 3 | www.rmag.org
RMAG Luncheon PRoGRAMs RMAG LUNCHEON PROGRAMS
Speaker: Dr. Steven Tedesco — March 4, 2015
The Atoka, Cherokee and Marmaton formations of Middle Pennsylvanian age in the southern Den-ver Basin are marine and lacustrine sediments con-taining thin carbonaceous mudstones that are one to eight feet thick and organically rich. These sedi-ments are interbedded on the west side of the ba-sin with alluvial and fluvial sediments of the Foun-tain Formation. The Fountain represents sediments eroded from the ancestral Rocky Mountains. The carbonaceous mudstones of the Cherokee and Mar-maton formations overlie in some areas thin porous and permeable carbonate reservoirs. The Cherokee and Marmaton carbonaceous mudstones are marine in origin, average 11% TOC, low pour point (<-30o), API gravity of 35o to 41o API oil that is associated
with 1,450 to 2,100 BTU gas. The thin productive limestone and dolomite reservoirs in the Cherokee Formation are known as “A” and “C”. The Ft. Scott limestone, “A” and “B” zones are productive in the Marmaton Formation.
The carbonate rocks that underlie the carbona-ceous mudstones in the Atoka Formation tend to lack porosity and permeability. Thin fluvial sand-stones of the Fountain Formation can be interbed-ded with sediments of the Atoka Formation and have been productive historically in the basin. The Atoka carbonaceous mudstones are lacustrine in or-igin, average 10% TOC, high pour point (>75o), API gravity of 33o to 38o and with associated 1,400 to
Stratigraphy, geochemistry and production from thin carbonaceous mudstones and carbonates of Pennsylvanian Atokan, Cherokee and Marmaton
formations in the southern Denver BasinBy Dr. Steven A. Tedesco
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Vol. 64, No. 3 | www.rmag.org 19 OUTCROP | March 2015
RMAG Luncheon PRoGRAMs
Dr. Steven Tedesco is the President of Running Foxes Petroleum Inc. which focuses on shale and coal bed methane; conventional production in the Uncompahgre Uplift, Denver, Forest City and Cherokee basins, USA. Mr. Tedesco has a BA in Geology from Northeastern University in Boston, a MS in Geology from Southern Illinois University at Carbondale, IL, and a PhD in Geology with a minor in Petroleum Engineering from the Colorado School of Mines. Mr. Tedesco has over 30 years of experience in coal mining, coal bed methane, shale gas\oil, waterflood projects, petroleum exploration and development. He has help to discover over 124 MMBO. Most recent discovery is the Arikaree Creek and Old Homestead fields in Lincoln County, Colorado, which are presently producing 1,500+ BOPD. Mr. Tedesco specializes in evaluation and development of shale and coal bed methane reservoirs. Running Foxes Petroleum operates over 800 producing wells eastern Kansas, southwest Missouri, southeast Colorado and eastern Utah and has 35+ employees. Mr. Tedesco has published numerous articles and presented several talks at national industry meetings on coal bed methane, surface geochemistry, and stratigraphy. He has published the only textbook specifically on the use of surface geochemistry in petroleum exploration.
2,200 BTU gas. XRF and XRD data indicate distinct differences
in environment of deposition for the Atoka, Chero-kee and Marmaton formations. Oil production from all these reservoirs tends to be controlled by local-ized reservoir development where productive that is mostly structural control. A small percentage of some fields are stratigraphic traps. Exploration strat-egy up until recently assumed these reservoirs have a large areal extent and are continuous. Drilling has proved otherwise. Locating where these reservoirs are productive requires likely migration pathways; basement faulting that extends into the Paleozoic rocks and identifying where areas of optimal reser-voir development may occur.
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OUTCROP | March 2015 20 Vol. 64, No. 3 | www.rmag.org
RMAG Luncheon PRoGRAMs RMAG LUNCHEON PROGRAMS
Speaker: Jeremy Boak — April 1, 2015
Oil shale is the Rodney Dangerfield of the petro-leum family. Starting with its name, myths surround-ing oil shale and production of shale oil from it are legion. This talk will address some of these com-mon myths, talk about oil shale projects, prospects,
technology, barriers and concerns in the Western United States and the world, and offer a cautious prognosis for future progress in developing this multi-trillion barrel resource. In addition, the talk
Oil shale and shale oil: Some myth busting, some crosscutting ideas, and the state of oil shale development in the world
By Jeremy Boak, Director, Center for Oil Shale Technology and Research, Colorado School of Mines, Golden CO
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Vol. 64, No. 3 | www.rmag.org 21 OUTCROP | March 2015
Jeremy Boak is the Director of the Center for Oil Shale Technology and Research (COSTAR) at the Colorado School of Mines (CSM), Co-Chair of the Oil Shale Symposium, 2006-2014, and a member of the Board of San Leon Energy. Before CSM, he was a project manager in environmental and nuclear materials management at Los Alamos National Laboratory, and project manager for the U. S. Department of Energy (DOE) for performance assessment of Yucca Mountain in Nevada. Boak also served as the DOE’s representative to the Performance Assessment Advisory Group of the Radioactive Waste Management Committee of the OECD’s International Energy Agency. Prior to working for DOE, Boak was an exploration geologist at ARCO Oil and Gas, Inc., in Anchorage, Denver, and Bakersfield. Dr Boak received his doctorate in Geological Sciences from Harvard University in 1983, for work on some of the oldest shale on earth, the 3.8 billion year old Isua supracrustal suite, West Greenland. He received MS degrees from Harvard and the University of Washington, and his undergraduate degree from Harvard, all in Geological Sciences.
will discuss what we know and don’t know about the formation of the richest source rock in the world, the Eocene Green River Formation, and what these rocks may be able to tell us about the formation of organic rich sources rocks beyond the confines of
this complex lacustrine system. Drawing on the work of the Center for Oil Shale Technology and Research over the past seven years, the talk will highlight min-eral and chemical evolution of the Green River For-mation, primarily in Colorado.
RMAG Luncheon PRoGRAMs
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MARCH LUNCHEON!Dr. Steven A. Tedesco
March 4, 2015
Check in: 11:15 amLunch: 12:00 pmTalk: 12:20 pm
Maggiano’s Little Italy Downtown Denver
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CLICK HERE FOR INFORMATION.
OUTCROP | March 2015 22 Vol. 64, No. 3 | www.rmag.org
LEAD STORY
By Chamois Andersen
WSGS Publishes Field Guide to Some of the World’s Best Ancient Stromatolites
Vol. 64, No. 3 | www.rmag.org 23 OUTCROP | March 2015
E arth has an astonishingly long geologic time
span, but evidence of early life forms on our planet can still be seen today in the form of distinctive bodies of rock called “stromatolites.” The Wyoming State Geological Survey (WSGS) has published a new field guide, “Self-guided Walking Tour of the Paleoproterozoic Stromatolites in the Medicine Bow Mountains, Wyoming,” which provides a guided tour to many of the best outcrops found in the Medicine Bow Mountains, west of Laramie.
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ON LEFT: Large hemispheric stromatolite. Photo by David R. Lageson.
OUTCROP | March 2015 24 Vol. 64, No. 3 | www.rmag.org
LeAd stoRy
“Our guided tour will take people to some of the best examples of ancient stro-matolites in the world, found right here in southeastern Wyoming,” said co-author Don Boyd, professor emeritus with the University of Wyoming’s Department of Geology and Geophysics.
The WSGS website features a stromat-olite page containing the downloadable re-port, an interactive Google Earth map of the tour stop locations (with photos) and a video with additional photos of each stro-matolite outcrop addressed in the guide.
The 24-page color guide includes pho-tos, illustrations, maps and GPS coordi-nates to lead the user to stromatolite out-crops dotting the high-alpine landscape. A stromatolite looks like a cross between a cauliflower and a rock. The delicate lami-nation and internal structure can be seen on the weathered surface of rocks. “The
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December 201444Vol. 63, No. 12 44
June 21st On-the-Rocks Field Trip
»
Lario Oil & Gas CompanyEstablished 1927
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created a sensational buzz in the scientific community and elsewhere is testimonial to excellent research conducted by Dr. Siddoway, her students and her collaborators. The members of the OTR field trip, on the longest day of the year, were able to catch a bit of that magic. As a final act of closure, the skies opened up as we drove back to collect our cars at the Visitor’s Center. Dime-sized hail pelted the group and made continued discussion, and even goodbyes, impossible. What started as a nice day with great potential turned into a highly memorable learning experience with impact.
References : Myrow, P.M., Taylor, J.F., Miller, J.F., Ethington, R.L., Ripperdan,
R.L., and Allen, J., 2003, Fallen Arches: Dispelling Myths Concerning Cambrian and Ordovician Paleogeography of the Rocky Mountain Region: Geological Society of America Bulletin, v. 115, no. 6, p. 695–713
Siddoway, C., Myrow, P., and Fitz-Díaz, E., 2013, Strata, Structures, and Enduring Enigmas: A 125th Anniversary Appraisal of Colorado Springs Geology, in Abbott, L.D., and Hancock, G.S., eds., Classic Concepts and New Directions: Exploring 125 Years of GSA Discoveries in the Rocky Mountain Region: Geological Society of America Field Guide 33, p. 331–356.
Siddoway, C, Shatford, S. and Contreras, A. A. 2013, ARMO Reactivation of Cambrian-Ordovician or Older Structures: Detrital Zircon Evidence from “Structureless” Sandstones of the Souther Front Range in Colorado Springs, GSA Abstracts with Programs, Vol. 45, No.7, p.887. https://gsa.confex.com/gsa/2013AM/webprogram/Paper226741.html
Siddoway, C. S. and G. E. Gehrels, 2014a, Basement-hosted sandstone injectites of Colorado: A Vestige of the Neoproterozoic Revealed Through Detrital Zircon Provenance Analysis, Lithosphere, doi:10.1130/L390.1
Siddoway, C. S. and G. E. Gehrels, 2014b, Cryogenian Sandstones in Colorado: A New Terrestrial Record for Laurentia (Rodinia) Revealed Through Detrital Zircon Provenance Analysis, GSA Abstracts with Programs, Vol. 46, No. 6, p.763, https://gsa.confex.com/gsa/2014AM/webprogram/Paper246788.html.
Sterne, E.J., 2006, Stacked, “Evolved” Triangle Zones along the Southeastern Flank of the Colorado Front Range: The Mountain Geologist, v. 43, p. 65–92.
Continued from page 43
Vol. 64, No. 3 | www.rmag.org 25 OUTCROP | March 2015
LeAd stoRy
picturesque patterns were brought into relief by weathering during thousands of years of ex-posure since the last glacial event,” Boyd said.
“We created this walking tour to satisfy the many people who have heard about these unusual life forms found in the rocks but did not know where to look,” said co-author Da-vid Lageson, professor of geology at Montana State University.
Based on comparison with similar fea-tures forming today and the work of geolo-gists studying similar Precambrian structures, the co-authors conclude that the 2-billion year old Medicine Bow stromatolites were built by
communities of bacteria and bacteria-like or-ganisms that dominated a shallow marine en-vironment long before an oxygen-rich atmo-sphere and the appearance of animals. “In our interpretation, the distinctive layering of a stromatolite was created by repeated coloni-zation of a sea-floor mound by microbial mats that both trapped sediment and precipitated cement,” Boyd said. “The unequal contribution of organic and inorganic processes produced a diversity of stromatolite shapes and sizes.”
The primary organism that built stromat-olites is believed to have been cyanobacteria,
ABOVE: Outcrops of evenly bedded tan dolomite. Photo by David R. Lageson.
» CONTINUED FROM PAGE 24
» CONTINUED ON PAGE 26
OUTCROP | March 2015 26 Vol. 64, No. 3 | www.rmag.org
LeAd stoRy
which are prokaryotic bacteria (domain of life Eubacteria). As photosynthesizers, they played a major role in oxygenating the Earth’s oceans and atmosphere.
The field guide by Boyd and Lageson de-scribes a wide variety of stromatolites. “Some are classic microbial growth structures of var-ious shapes and sizes and are typical of sim-ilar forms found in Precambrian and young-er rocks in other parts of the world,” Lageson said. Others, however, tell a different story. “It depends on the stromatolite being observed.”
Included in the field guide are directions to representative outcrops with descriptions of stromatolite features of interest at each loca-tion. The geology behind these ancient records of life on Earth is also described in the guide.
Wyoming’s Paleoproterozoic Nash Fork Formation, the major unit in which the stro-matolitic beds occur in the Medicine Bow Mountains, is approximately 2 km (1.2 miles) thick and consists of tan stromatolite-bearing dolomite with thick interbeds of pyritic black
ABOVE: Outcrops of evenly bedded tan dolomite. Photo by David R. Lageson.
» CONTINUED FROM PAGE 25
» CONTINUED ON PAGE 27
Vol. 64, No. 3 | www.rmag.org 27 OUTCROP | March 2015
LeAd stoRy
argillite and phyllite, and some quartzite. Stromatolitic zones are most common in the lower 700 meters of the Nash Fork Forma-tion; they are found in massive dolomite and silicified dolomite intervals. The largest stromato-lites (true giants) are found in the “silicified domal digitate stromat-olite facies association” in the low-er Nash Fork Formation between 100-200 meters and 300 and 400 meters from the basal thrust fault contact.
Well-known Wyoming geol-ogist, S.H. Knight, extensively studied the Nash Fork Formation stromatolites, producing research that garnered major international attention. The walking-tour guide includes many of the outcrops il-lustrated in Knight’s research pa-per published in 1968. Together with most of his contemporaries, Knight believed stromatolites ex-hibit the original size and shape produced by the organisms that built them. While the authors of the field guide, Boyd and Lageson, agree that this is true for some of the Medicine Bow stromato-lites, they describe abundant ev-idence at outcrops visited in the tour for major alteration of stro-matolite shape and dimensions by post-depositional processes, such as soft-sediment deformation (sliding and slumping) and per-haps storm events.
“Our intent with this field guide is for the user to ponder the evidence as they visit each stro-matolite outcrop,” Boyd said.
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OUTCROP | March 2015 28 Vol. 64, No. 3 | www.rmag.org
Hilario Aguirre Jr. is a Sales Executive at Cable &
Supplies Inc. in Stafford, TX
Jeffrey Bader is a Subsurface Geologist at the North Dakota Geological
Survey in Bismarck, ND
Krista Burke is a Data Analyst at EnergyIQ
in Littleton, CO
Richard Davis is a Geophysicist at EPI Group
USA Inc. in Denver, CO
Rachel Debaillon is a Geologist at PDC Energy in Aurora, CO
Thomas Dekeyser works at Technically Write
Consulting in Harrisburg, OR
Dean Feller lives in Wheat Ridge, CO
Stephanie Fochtman works at Dolan Integration Group in Westminster, CO
Rachel Grande is a Geologist at Liberty Resources in Denver, CO
» CONTINUED ON PAGE 29
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Vol. 64, No. 3 | www.rmag.org 29 OUTCROP | March 2015
Robert Harriss is a Senior Scientist at the
Environmental Defense Fund in Boulder, CO
Frank Hearn is a Senior Geological Advisor at
Baker Hughes in Denver, CO
Ron Hietala is an Exec VP at BlackShale Resources Inc. in Calgay, AB
L Roger Hutson is the President at HRM
Resources II, LLC in Denver, CO
Wesley Ingram is a Geochemistry/Petrophysics
Advisor at Weatherford in Denver, CO
Bryant Kosanovich is a Geologist at ChemEOR
in Denver, CO
Barrett Lavergne is a Geophysicist at Inflection
Energy in Lakewood, CO
Scott Matthews lives in Denver, CO
James McNutt is a Geologist at Stelbar Oil
Corporation, Inc. in Wichita, KS
» CONTINUED FROM PAGE 28
» CONTINUED ON PAGE 31
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OUTCROP | March 2015 30 Vol. 64, No. 3 | www.rmag.org
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Vol. 64, No. 3 | www.rmag.org 31 OUTCROP | March 2015
James Milne works at Ancient Oceans
Energy, Ltd. in Louisville, CO
Frans Mollemans lives in Kailua Kona, HI
Mark Noonan lives in Fort Collins, CO
Josiah Strauss is a Stable Isotope Geochemist
at Dolan Integration Group in Boulder, CO
Eric Sundstrom lives in Superior, CO
Steven Sypher is a Sr. Dir. Global E&P Content at
IHS Energy in Englewood, CO
Elizabeth van Diepen is a Wellsite Geologist at Columbine
Logging in Golden, CO
Mary Welker-Haddock is a Consultant in Centennial, CO
» CONTINUED FROM PAGE 29
WELCOME NEW RMAG MEMBERS!
Lario Oil & Gas CompanyEstablished 1927
WWW.LARIOOIL.COM
Proud sponsor of the Rocky Mountain Association of Geologists
OUTCROP | March 2015 32 Vol. 64, No. 3 | www.rmag.org
2013-14RMAG FOUNDATION
SCHOLARSHIPS
SCHOLARSHIPS
McKenna FundColorado College
CSU FundBolyard FundCU Boulder
CONTRIBUTIONS
CONTRIBUTIONS
Stone/Holberg FundStudying Rocky Mtn Structural Geology
Colorado School of MinesGolden
FosterStudying Rocky Mtn Geology
AAPG - Imperial BarrelRocky Mtn Section
AAPG Student LeadershipRocky Mtn Section
Friend of Dinosaur Ridge
Golden Pick AwardRMAG Guidebook contributionAAPG Sectional meetingRockbuster Ball awards
+
Contibutions can be made at https://www.rmag.org/i4a/ams/publicLogin.cfm for RMAG membersRMAG Foundation | 910 16th Street Mall, Suite 1214 | Denver, CO 80202
Babcock FundRocky Mtn region Universities
Veterans Fundawarded to veterans attendingRocky Mtn Region Universities
University of WY Fund
Morrison Natural HistoryInner City School attendance
PTTC Futures in EnergyRocky Mtn Section
Denver Public Schoolsmineral sets
RMAG Student Summit sponsorCO Science Teacher of the YearCO State Science Fair winners
How the RMAG supports job seekers:
- Search through resumes on the RMAG Job Board
- Post your resume on the RMAG Website
- Post your business card in The Outcrop for just $20
(see The Outcrop media kit online for more price points)
- Connect with other members via the online
Membership Directory
- Network at RMAG Monthly Luncheons as a
walk-in for $10
Vol. 64, No. 3 | www.rmag.org 33 OUTCROP | March 2015
MARCH 4, 2015
RMAG Luncheon. Speaker Steven Tedesco. “Stratigraphy, Geochemistry and Production from Thin Carbonates of Pennsylvanian Atokan, Cherokee and Marmaton Formations in the Southern Denver Basin.”
MARCH 6, 2015
RMAG & DAPL GeoLand Ski Day.
Beaver Creek.
MARCH 9-13, 2015
PTTC Rockies Mini-Education Conference.
CSM, Golden, CO.
MARCH 13, 2015
DIPS Luncheon. For reservations, RSVP to [email protected] or 303-285-9136.
MARCH 17, 2015
PTTC Rockies Short Course. “Air Emission Analysis for State and Federal Air Compliance.” CSM, Golden, CO.
DWLS Luncheon. Speaker Terri Olson. “Applications of Digital Rock Technology to Shale Plays.”
MARCH 19, 2015
RMAG Bakken-Three Forks Core Workshop - North Dakota.
MARCH 25, 2015
Oilfield Christian Fellowship. For reservations, RSVP to [email protected] or 303-675-2602.
MARCH 31, 2015
RMS-SEPM Luncheon. Speaker Kitty Milliken. “Proposed Compositional Classification of Fine-Grained Sedimentary Rocks.”
Hart DUG. Bakken and Niobrara. Denver, CO.
APRIL 1, 2015
RMAG Luncheon. Speaker: Jeremy Boak “Oil Shale & Shale Oil, Some myth busting, some crosscutting ideas, and the state of oil shale development in the world”.
APRIL 16, 2015
RMAG Short Course.“Seismic Interpretation for Explorationists”
IN THE PIPELINE
rmag zooPUReconnecting Humanity & Nature in the 21st Century
Recipient of the AAPG Geosciences in the Media Award
$50 Student Ticket | $75 General Ticket Buses departing from and returning
to the Hyatt will be provided
Registration will be handled through AAPG
Speaker: Dr. Scott Sampson
Dinner, Drinks, & A Talk
6:30 -10:00 PM at the Conoco
Zoo Gardens at the Denver Zoo
Rewilding Revolution
OUTCROP | March 2015 34 Vol. 64, No. 3 | www.rmag.org
MEMORIAM
G. Allan Nelson passed away January 21, 2015 in Boulder, Colorado. He was 92.
Al was born May 6, 1922 in Summit, New Jersey to Gustaf Albert and Olga Elizabeth Ol-son Nelson. He graduated from Summit High School in 1940 and studied Geology at Upsala Col-lege and the University of Texas, until joining the United States Army in May, 1943. Al was a ba-zooka man in a rifle company in the 99th Infantry Division. His unit first saw combat at the Bat-tle of the Bulge on the initial day of the German assault in Decem-ber 1944.
Al’s company took 70% ca-sualties at the Bulge, many of those at Elsenborn Ridge, a bru-tal, confused battle that lasted for days, but resulted in a stun-ning, if costly, victory for the U.S. 1st Army. In March 1945, Al’s unit crossed the Luden-dorff Bridge at Remagen, Germa-ny, under fire. Al was awarded the Purple Heart for wounds he received near there, at a skir-mish in which his foxhole-mate was killed. After recovering, Al returned to active duty and served as a bodyguard for the Commanding General of the 99th Infantry.
He was very proud of his service but laughed easily at his own stories. When asked years later how he managed to survive the Bulge, march across Europe, cross the Rhine at Remagen, and vanquish the Nazis, but still
leave the Army as a mere Private First Class, Al said, “I think it was because I lost two bazookas.”
Upon his discharge at the end of WW II, Al returned to the University of Texas where he graduated in 1947, receiving his BS in Geology. He went to work for Texaco during the early days of the Weber Sandstone boom
at Rangely, Colorado in the late 1940s and early 1950s. Al sat dozens of wells there, and then went to Denver for the DJ Ba-sin boom.
Al met and courted Ruth Virginia Kentta, a former Army nurse, and they were married June 25, 1954 at Augustana
AL NELSON
Al Nelson at Trafalgar Square, London, October, 1944.
» CONTINUED ON PAGE 36
Vol. 64, No. 3 | www.rmag.org 35 OUTCROP | March 2015
19March 2015
8:00 AM -5:00 PMGrand Forks, North Dakota
Lunch is included
RMAG Bakken-Three Forks Core WorkshopInstructors: Julie LeFever, Michael Hendricks,
Steve Sonnenberg
We will be examining the following cores:State # Well Name Location22327 Natalie 2-142-9922493 Bernice 20-150-99 22809 Baja 15-163-9924123 Mariana Trust 20-149-9724694 Kovash 31-143-9524779 Sirp 12-153-9226194 Olson 31-156-9626223 Rundle Trust 29-136-9926443 Ellison 3-143-10326582 Maus 26-141-104
As a follow-up to the RMAG Core Workshop held in Denver last October, we are offering an extended review of Bakken and Three Forks cores in Grand Forks, ND at the North Dakota Geological Survey Core Depository. The cores include most or all of the Three Forks, but many of the cores include part or all of the Bakken as well. Cores from the center of the Williston Basin and the southern and northern edges of the basin will be displayed. There will be one or two short talks, and hopefully, many discussions on each core.
Registration Closes March 11thMember Price: $200
Non-Member Price: $250
Julie LeFever: [email protected] Hendricks: [email protected] Sonnenberg : [email protected]
RMAG Email: [email protected] Phone: (303) 573-8621RMAG Fax: (303) 476-2241
OUTCROP | March 2015 36 Vol. 64, No. 3 | www.rmag.org
MeMoRiAM
Lutheran Church in Denver. He became a consultant in 1957 and worked in this capacity most of the rest of his life: map-ping, generating prospects and watching hundreds of wells in Colorado, Nebraska and Wy-oming. Al was particularly pleased to have been an inde-pendent consultant for 55 years and that he worked until he was 90.
Two oil discoveries of about one million barrels each were the result of his prospects: Grandview in Banner County, NE, and High Pockets (named for Al) in Washington County, CO.v
Al served as President of the
Denver Round Table, Presidents Round Table, Petroleum Pio-neers, and the Remagen Bridge Society. He was Executive Vice President of Big Brothers of Col-orado, National President of the 99th Infantry Division Associa-tion and a member of the Den-ver Jaycees. Al also was a long-time active member of RMAG, WGA, AAPG, and the Denver Well Logging Society, becom-ing its first (and only) Honorary Lifetime Member.
He loved fishing and skiing in the Rockies. Al was a regular at the RMAG/DAPL Geoland Ski Day well into his 80s. His lean 6’6” frame was unmistakable on skis or from blocks away down a
17th Street sidewalk, filled with friends he stopped to see.
After sharing 53 years of marriage, Al’s beloved wife, Ruth, passed away in 2007. He was also preceded in death by his brother, Robert Nelson.
Al is survived by his two children, Elizabeth “Libby” Nel-son Crouch (husband, Scott) and Jon Nelson (wife, Jennifer); and five grandchildren, Mor-gan Crouch, Max Crouch, Hen-ry Crouch, Brooklyn Nelson and Byron Nelson.
Al had a genius for making and keeping friendships across the generations. He was gener-ous with his many long yarns, his keen understanding of well-site geology and his astonish-ing memory.
He lived 70 years after his service in combat, drawing the life lesson that, “I get up every morning and know it’s going to be a good day because my feet are dry, I’m going to get a hot breakfast, and no one will be trying to shoot me.”
A celebration of Al’s life was held on January 28 at Augusta-na Lutheran. A graveside service with military honors followed at Fort Logan National Cemetery.
Al’s family has asked that donations in his memory be di-rected to Lutheran Family Ser-vices Rocky Mountains (http://www.lfsrm.org), the Wounded Warrior Project (www.wound-edwarriorproject.org), or the Vet-erans Memorial Scholarship of the RMAG Foundation (http://www.rmag.org/i4a/pages/index.cfm?pageid=3307).
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» CONTINUED FROM PAGE 34
Vol. 64, No. 3 | www.rmag.org 37 OUTCROP | March 2015
rmag dapl geo-land ski
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RMAG ♦♦ DAPL GeoLand Ski Day 2015
REGISTRATION FORM: BEAVER CREEK RESORT – Friday, March 6, 2015 Deadl ine for reservat ions is Monday 3 /2 /15 ♦♦ No re funds a f ter Fr iday, 2 /27/15
**Ski Downhill – Snowboard – Cross Country – Snow Shoe**
Name:
Aff i l iation: RMAG/Geologist DAPL/Landman
Ski Pass: Epic/local Super Pass Other:
Company:
Address:
Phone: E-mail:
Please Reserve: Downhill Lift Tickets, Bus Ride and Après Ski Party # x $175 = $___________ Downhill Lift Tickets and Après Ski Party (No bus) # x $140 = $___________ Bus Ride and Party Only # x $105 = $___________ Après Ski Party Only # x $ 70 = $___________
*Door Prizes*Complimentary Food & Wine/Beer*Cash Bar Available*Silent Auction* Total $___________
Pay online with a credit card via PayPal: www.DAPLDenver.org OR mail check to:
RMAG/DAPL GeoLand Ski Day, 535 16th Street, Suite 850, Denver, CO 80202
�� Submit form to DAPL (303-446-2253): [email protected], fax 303-595-9701 �� Schedule of Events
7:10 am Buses Depart RTD Federal Center Station in Lakewood Denver Federal Center 11601 W. 2nd Pl. Lakewood, CO 80228 http://www3.rtd-‐denver.com/elbert/PNRMap/
*24 hours of free parking for Denver County residents ($4 for non-‐residents -‐ eligibility check: http://www.rtd-‐denver.com/HowToPark.shtml)
*Coffee/donuts provided* Skiing/Riding Nastar race (details provided on bus) 12:00 pm Lunch Re-‐group at Spruce Saddle (top of Centennial Lift) 3-‐5:30pm Après Ski Party Westin at the bottom of the Riverfront Express Gondola from
the Beaver Creek Landing 7:30pm Buses Arrive RTD Federal Center Station in Lakewood
OUTCROP | March 2015 38 Vol. 64, No. 3 | www.rmag.org
This course is aimed at petroleum geologists and engineers seeking an introduction to the interpretation of seismic reflection data. The basic concepts of the seismic reflection
method will be addressed, but the course will focus on the practical geological interpretation of seismic reflection data, applying structural and stratigraphic concepts
to a number of seismic interpretation exercises.
Instructor: Bruce TrudgillAssociate Professor at the Colorado School of Mines
PhD in Structural Geology from Imperial College, London
Outline of Topics covered• The seismic reflection method: Advantages and Pitfalls• Key geophysical concepts for seismic interpretation• A geological approach to seismic interpretation• Methodologies for interpreting faults in seismic data• Rift systems: Seismic packages and evolution• Salt Systems: Key concepts and strategies• Fold and Thrust Systems and Foreland Basin:
interpretation strategies in structurally complex regions• Inverted Basins: rifting followed by shortening• Passive margins: large-scale evolution of linked systems
TeachingCurrently Professor Trudgill teaches both undergraduate and graduate classes at CSM in applied structural geology as well as field and seismic interpretation courses for industry through Nautilus.
ResearchProfessor Trudgill’s main research interests are in the evolution of geological structures through time and how this influences depositional systems. Currently he is working on both sub-surface and field-based projects from around the globe.
Registration Closes April 9th at 4:30 PM
April 16, 2015The RMAG and PTTC Present a 1-Day Short CourseHeld at New�eld Exploration 1001 17th Street #2000, Denver, CO 80202
Seismic Interpretation for Explorationists
With all the unconventional activity occurring across the globe, it is time to review what is driving the technical quality of the “Hot Plays” in the greater Rocky Mountain region. Please mark your calendars for what is sure to be the “HOTTEST” event of the Fall 2015 Technical Season. Geological, Geophysical, Geochemical, Petrophysical, and Structural technical drivers will be presented, describing what the RMAG membership has determineddetermined to be the Hottest Plays in the Rocky Mountains.
October 8th, 2015At the Denver City Center
Marriott
SAVE
THEE
DATE
The Rocky Mountain Association of Geologists
presents: RMAG Fall Symposium
Hot Plays of the Rocky Mountain Region
Vol. 64, No. 3 | www.rmag.org 39 OUTCROP | March 2015
rmag fall symp
PUWith all the unconventional activity occurring across the globe, it is time to review what is driving the technical quality of the “Hot Plays” in the greater Rocky Mountain region. Please mark your calendars for what is sure to be the “HOTTEST” event of the Fall 2015 Technical Season. Geological, Geophysical, Geochemical, Petrophysical, and Structural technical drivers will be presented, describing what the RMAG membership has determineddetermined to be the Hottest Plays in the Rocky Mountains.
October 8th, 2015At the Denver City Center
Marriott
SAVE
THEE
DATE
The Rocky Mountain Association of Geologists
presents: RMAG Fall Symposium
Hot Plays of the Rocky Mountain Region
OUTCROP | March 2015 40 Vol. 64, No. 3 | www.rmag.org
• AAPG ............................................................................................ 9, 15
• Alliance Insurance Agency .............................................................. 29
• Anschutz Exploration ....................................................................... 28
• Bowler Petrophysics ........................................................................ 29
• Breckenridge Exploration Co., LLC ................................................... 17
• Crown Geochemistry .......................................................................... 8
• Daub & Associates, Inc. ..................................................................... 8
• Devon ................................................................................................. 6
• Dolan Integration Group .................................................................... 4
• Donovan Brothers Inc. ........................................................................ 8
• Encana .............................................................................................. 16
• Fluid Inclusion Technologies ............................................................ 13
• GeoMark Research, LTD ................................................................... 24
• Geosteering, LLC .............................................................................. 17
• Great Western Oil & Gas ................................................................. 27
• Horizontal Solutions Intl. ............................................................. 8, 27
• iBall Instruments ................................................................................ 6
• James C. Karo Associates ............................................................... 24
• Johnson Geo-Consulting, LLC .......................................................... 10
• Kestrel Geoscience, LLC .................................................................. 10
• Lario Oil & Gas Co. ........................................................................... 31
• Louis J. Mazzullo, LLC ........................................................................ 8
• Mineral Appraiser, LLC..................................................................... 10
• MJ Systems ..................................................................................... 19
• Nautilus ............................................................................................ 31
• Neil H. Whitehead III ....................................................................... 10
• PTTC ................................................................................................... 3
• QEP Resources ................................................................................. 21
• RBC Wealth Management ............................................................... 12
• Samson Energy ................................................................................ 20
• Stephens Production Co. .................................................................. 28
• Stoner Engineering, LLC ................................................................... 11
• Stratochem Services ........................................................................ 13
• Tracker Resources ............................................................................ 14
• T-Rex Oil Inc. .................................................................................... 10
• Weber Law Firm, LLC ....................................................................... 10
ADVERTISER INDEX
CALENDAR | MARCH 2015
1
8
15
22
29
2
9
16
23
30
3
10
17
24
31
4
11
18
25
5
12
19
26
6
13
20
27
7
14
21
28
SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY
PTTC Rockies Conference.
PTTC Rockies Conference.
PTTC Rockies Short Course.
DWLS Luncheon.
RMS-SEPM Luncheon.
Hart DUG. Bakken and Niobrara.
RMAG Luncheon.
PTTC Rockies Conference.
Oilfield Christian Fellowship.
PTTC Rockies Conference.
RMAG Bakken-Three Forks Core
Workshop
RMAG & DAPL GeoLand Ski Day.
PTTC Rockies Conference.
DIPS Luncheon.