phytolith record of deep-time vegetation dynamics: early-late miocene of vasa park, washington
DESCRIPTION
Phytolith Record Of Deep-Time Vegetation Dynamics: Early-Late Miocene Of Vasa Park, Washington. Tony Jijina 1 Caroline Strömberg 1,2 Richard Dillhoff 2 Thomas Dillhoff 2. 1 – University of Washington, Seattle, WA, 2- Burke Museum, Seattle, WA. Mid-Miocene Climatic Optimum. Youngest. - PowerPoint PPT PresentationTRANSCRIPT
Phytolith Record Of Deep-Time Vegetation
Dynamics: Early-Late Miocene Of Vasa Park,
WashingtonTony Jijina1
Caroline Strömberg1,2
Richard Dillhoff2
Thomas Dillhoff2
1 – University of Washington, Seattle, WA, 2- Burke Museum, Seattle, WA
Mid-Miocene Climatic Optimum
Oldest
Youngest
Oldest
Youngest
Mid-Miocene Climatic Optimum
Vasa Park, WA
Vasa Park, WA
Vasa Park, WA
VASA PARK
Outline-Geology-Phytolith-Macroflora-Pollen-Conclusions
Vasa Park Beds
Haugerud et al., 2003
40Ar/39Ar dating:11.4 Ma
Vasa Park Beds
late Miocene
Vasa Park Beds
Macrofossils
Vasa Park Beds
Pollen andPhytolith
Vasa Park Beds
Outline-Geology- 11.4 Ma, 3 lines of fossil evidence
-Phytolith
What is a Phytolith?
10µm
What is a Phytolith?
10µm
10µm
What is a Phytolith?
Methods
10µm
Preliminary Phytolith Data
VS.
10µm
Forest Indicator Grassland Indicator
Phytolith
Preliminary Phytolith Data
Preliminary Phytolith Data
Preliminary Phytolith Data
Oldest
Youngest
ForestIndicator
Preliminary Phytolith Data
Oldest
Youngest PACMADGrass(Warm-adapted)
After Hunt (1990)
Preliminary Phytolith Data
Outline-Geology- 11.4 Ma, 3 lines of fossil evidence
-Phytolith- Forest dominated, warm-adapted grasses
-Macroflora
After Hunt (1990)
Preliminary Macroflora Data
Outline-Geology- 11.4 Ma, 3 lines of fossil evidence
-Phytolith- Forest dominated, warm-adapted grasses
-Macroflora- Woody, riparian vegetation
-Pollen
Pollen
Preliminary Pollen Data
After Hunt (1990)
Preliminary Pollen Data
Summary-Geology- 11.4 Ma, 3 lines of fossil evidence
-Phytolith- Forest dominated, warm-adapted grasses
-Macroflora- Woody, riparian vegetation
-Pollen- Lower: dominated by upland conifer- Upper: dominated by lowland floodplane vegetation
Future Work-Address climate in late Miocene of Pacific Northwest
AcknowledgementsFRIENDS, FAMILY, AND COLLABORATORS
Brian SherrodSusie WinkowskiJohnathan HagerBrian BuchwitzRegan DunnElisha HarrisMarijana Surkovic DavisAvery Cook ShinnemanStephanie Zaborac-ReedDon HopkinsJeff BencaErik FredricksonKim SmithThien-Y LeJanine JijinaHenryHannah Ginn
SUPPORT AND FINANCINGStrömberg LabVasa Park ResortBurke Museum of Natural History and CultureMary Gates Research Grant ScholarshipHoward Hughes Medical InstituteUniversity of Washington Department of BiologyThe Geological Society of America Travel Grant