Structure Contour and Overburden Maps of the Niobrara Interval of the Upper Cretaceous Cody Shale in the Bighorn Basin, Wyoming and Montana

Scientific Investigations Map 3457
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Abstract

The Bighorn Basin is a large intermontane sedimentary and structural basin that formed during the Laramide orogeny. The first commercial hydrocarbon production in the Bighorn Basin was established in 1906 from Cretaceous reservoirs at Garland field followed by the discovery of Greybull field in 1907.  Since then, many important conventional oil and gas resources have been discovered from reservoirs ranging in age from Cambrian to Tertiary.  In addition, a potential continuous (unconventional) basin-centered gas accumulation may be present in Cretaceous reservoirs in the deeper parts of the basin.  The maps presented in this report were constructed as part of a project carried out by the U.S. Geological Survey to better characterize the geologic framework of potential undiscovered continuous (unconventional) oil and gas resources of the Niobrara interval of the Upper Cretaceous Cody Shale in the Bighorn Basin in north-central Wyoming and south-central Montana.

Suggested Citation

Finn, T.M., 2020, Structure contour and overburden maps of the Niobrara interval of the Upper Cretaceous Cody Shale in the Bighorn Basin, Wyoming and Montana: U.S. Geological Survey Scientific Investigations Map 3457, scale 1:500,000, 2 sheets, 9 p. pamphlet, https://doi.org/10.3133/sim3457.

ISSN: 2329-132X (online)

Study Area

Table of Contents

  • Introduction
  • Acknowledgments
  • References Cited

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Structure contour and overburden maps of the Niobrara interval of the Upper Cretaceous Cody Shale in the Bighorn Basin, Wyoming and Montana
Series title Scientific Investigations Map
Series number 3457
DOI 10.3133/sim3457
Year Published 2020
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Central Energy Resources Science Center
Description Report: iii, 9 p.; 2 Sheets: 30.00 x 26.99 inches; Data Release
Country United States
State Montana, Wyoming
Other Geospatial Big Horn Basin
Online Only (Y/N) Y
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