geology 3120 - metamorphic core complexesgeode.colorado.edu/~structure/teaching_geol3120/... ·...
TRANSCRIPT
![Page 1: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/1.jpg)
Geology 3120 Geology 3120 --Metamorphic Core ComplexesMetamorphic Core Complexes
Announce Undergrad PRP questionnaireAnnounce Undergrad PRP questionnaire
![Page 2: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/2.jpg)
OutlineOutline
• Pure and Simple Shear
• Detachments
• Basin and Range
• Whipple Mountain
• Buckskin-Rawhide Detachment
• Metamorphic Core Complex Model
![Page 3: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/3.jpg)
Pure ShearPure Shear
![Page 4: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/4.jpg)
Simple ShearSimple Shear
![Page 5: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/5.jpg)
Detachment FaultsDetachment Faults
![Page 6: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/6.jpg)
Basin and RangeBasin and Range
• Late Cenozoic extension
• North-south trending normal faults
• Change in motion along western plate boundary may have induced extension
![Page 7: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/7.jpg)
Basin and Range Normal Fault BlocksBasin and Range Normal Fault Blocks
![Page 8: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/8.jpg)
QuickTime™ and a Animation decompressor are needed to see this picture.
![Page 9: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/9.jpg)
QuickTime™ and a Animation decompressor are needed to see this picture.
![Page 10: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/10.jpg)
![Page 11: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/11.jpg)
Whipple Mountain Geologic MapWhipple Mountain Geologic Map
![Page 12: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/12.jpg)
Whipple Mountain Detachment FaultWhipple Mountain Detachment Fault
SWSW NENE
![Page 13: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/13.jpg)
Whipple Mountain CrossWhipple Mountain Cross--SectionSection
![Page 14: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/14.jpg)
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
NWNW SESE
![Page 15: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/15.jpg)
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
NWNW SESE
![Page 16: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/16.jpg)
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
WW E
![Page 17: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/17.jpg)
Metamorphic Core Complex ModelMetamorphic Core Complex Model
![Page 18: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/18.jpg)
Metamorphic Core Complex ModelMetamorphic Core Complex Model
![Page 19: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/19.jpg)
Metamorphic Core Complex ModelMetamorphic Core Complex Model
![Page 20: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/20.jpg)
Metamorphic Core Complex ModelMetamorphic Core Complex Model
![Page 21: Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults](https://reader033.vdocuments.us/reader033/viewer/2022042109/5e89242acbb286742f7a577a/html5/thumbnails/21.jpg)
ReferencesReferences
Slide 1Slide 1Coney, P. J., Cordilleran metamorphic core complexes; an overvieConey, P. J., Cordilleran metamorphic core complexes; an overview, w, in:in: Crittenden, M.,D., Jr., Crittenden, M.,D., Jr., Coney, P. J., and G. H. Davis (eds), Cordilleran metamorphic corConey, P. J., and G. H. Davis (eds), Cordilleran metamorphic core complexes, Geological e complexes, Geological Society of America Memoir 153, 7Society of America Memoir 153, 7--31. 1980.31. 1980.
Slides 3Slides 3--1010TwissTwiss, R. J. and E. M., R. J. and E. M. MooresMoores, Structural Geology, W. H. Freeman & Co., New York, 532 p., , Structural Geology, W. H. Freeman & Co., New York, 532 p., 1992.1992.
Slides 11Slides 11--1313http://www.Colorado.EDU/GeolSci/courses/GEOL4717/Web4717http://www.Colorado.EDU/GeolSci/courses/GEOL4717/Web4717--02Photos/Home.html02Photos/Home.html
Slides 14Slides 14--1717Davis. G. H. and S. J. Reynolds, Structural Geology of Rocks andDavis. G. H. and S. J. Reynolds, Structural Geology of Rocks and Regions, 2nd ed., John Regions, 2nd ed., John Wiley & Sons, New York, 776 p., 1996.Wiley & Sons, New York, 776 p., 1996.