The Marine Paleozoic Fossil Record of Great Basin National Park, Nevada Kaytan Kelkar and AnnMarie Jones Mosaics in Science and GeoCorps America 2014.

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The Marine Paleozoic Fossil Record of Great Basin National Park, Nevada Kaytan Kelkar and AnnMarie Jones Mosaics in Science and GeoCorps America 2014

Project Goals To conduct an inventory of the paleontological resources. To prospect known fossil localities for new specimens. Documentation of new fossiliferous sites. Collection of rare well preserved specimens for future scientific study. Completion of condition assessments for new fossil localities.

Great Basin National Park The park is situated in the Basin and Range Province. The Great Basin is a unique hydrological system. Large elevation change has lead to varied ecosystems. Park attractions include Wheeler Peak, Lehman Caves and the Bristlecone Pines. (nps.gov) Great Basin National Park

Developing a Search Image Branching Bryozoan Trilobite (Jensen, 1968)

Prospecting Probability BLM Potential Fossil Yield Classification developed before inventory. Map of paleontological potential based on park geology. Primary lithology found in park is Sedimentary and Metamorphic. (Resource Management, GRBA)

Study Area

Data Collection GRBA PAL Locality GPS points GPS points plotted in Trimble Pathfinder to identify fossiliferous areas.

Macrophotography Metadata

Locality Registration PLF forms recorded for specimen sensitivity and fossil taxonomy.

Challenges Initially training the eye to develop a search image. Distinguishing stratigraphic units. Locating specimens in previously documented sites through photo interpretation. Overcast conditions not ideal for fossil prospecting. Assigning localities for small specimen yield areas.

Field Observations Specimen GPS Points for Pogonip Group per Unit

Future Research Subjects Early coral evolution not very well understood.

Stylophoran (Echinoderm) A new species of Stylophoran could offer valuable morphological information.

Starfish (Stelleroid) The Stelleroid is being closely studied by Echinoderm specialists.

Early Sponges This specimen requires further biostratigraphic analysis.

Conclusions 15 new localities documented in A total of 255 GPS points recorded. The Lehman Formation was identified as the most fossiliferous stratigraphic unit. Further scientific research required for rare specimens including Corals, Stylophoran (Echinoderm) and Stelleroid (Starfish). A paleontological inventory is a continuous process. Further cataloging of collected samples to be completed.

Acknowledgements I am grateful to the Geological Society of America and the National Park Service for giving me this excellent opportunity. I would like to thank Gorden Bell for his support and guidance towards this project. I would like to thank AnnMarie Jones for her helpful inputs.

Works Cited Jensen, R.G., March 15, Ordovician Brachiopods from the Pogonip Group of Millard County, Western Utah, Geology Studies Brigham Young University, Vol. 14; Bell, G. L., Jr., and Lohman, N. E Map of Paleontological Potential in Great Basin National Park, Nevada, Resources Management Internal Report, Great Basin National Park.