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Open-File Report 2009-1274

A Collection of Chemical, Mineralogical, and Stable Isotopic Compositional Data for Green River Oil Shale from Depositional Center Cores in Colorado, Utah, and Wyoming

By Michele L.W. Tuttle

Abstract

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For over half a century, the U.S. Geological Survey and collaborators have conducted stratigraphic and geochemical studies on the Eocene Green River Formation, which is known to contain large oil shale resources. Many of the studies were undertaken in the 1970s during the last oil shale boom. One such study analyzed the chemistry, mineralogy, and stable isotopy of the Green River Formation in the three major depositional basins: Piceance basin, Colo.; Uinta basin, Utah; and the Green River basin, Wyo. One depositional-center core from each basin was sampled and analyzed for major, minor, and trace chemistry; mineral composition and sulfide-mineral morphology; sulfur, nitrogen, and carbon forms; and stable isotopic composition (δ34S, δ15N, δ13C, and δ18O). Many of these data were published and used to support interpretative papers (see references herein). Some bulk-chemical and carbonate-isotopic data were never published and may be useful to studies that are currently exploring topics such as future oil shale development and the climate, geography, and weathering in the Eocene Epoch. These unpublished data, together with most of the U.S. Geological Survey data already published on these samples, are tabulated in this report.

First posted December 21, 2009

For additional information contact:

Team Chief Scientist,
USGS Crustal Imaging and Characterization
Box 25046, Mail Stop 964
Denver, CO 80225

http://crustal.usgs.gov/

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Suggested citation:

Tuttle, M.L. 2009, A collection of chemical, mineralogical, and stable isotopic compositional data for Green River oil shale from depositional center cores in Colorado, Utah, and Wyoming: U.S. Geological Survey Open-File Report 2009–1274, 18 p.



Contents

Conversion Factors

Abstract

Introduction

Sample Collection

Methods

Results

Archive of Oil Shale Samples and Core Literature

Acknowledgments

References Cited

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