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  4. National Assessment of Oil and Gas Project - Uinta-Piceance Province (020) Maturation Contours

National Assessment of Oil and Gas Project - Uinta-Piceance Province (020) Maturation Contours

Dates

Publication Date
Time Period
2002
Release Date
2002

Citation

United States Geological Survey, 2002, National Assessment of Oil and Gas Project - Uinta-Piceance Province (020) Maturation Contours: U.S. Geological Survey data release, https://doi.org/10.5066/P92NZLRQ.

Summary

The maturation contours show vitrinite reflectance trends and ranges for five key petroleum system horizons within the Uinta-Piceance Province. The horizons are the lower part of the Green River Formation, the base of the Mesaverde Group/top of Mancos Shale, the base of the Mancos Shale, the base of the Phosphoria Formation, and coal within the Ferron Sandstone Member of the Mancos Shale. The ranges of vitrinite reflectance shown for the horizons other than the Phosphoria Formation and the Ferron Sandstone are <0.6, 0.6 - 0.75, 0.75 - 1.1, 1.1 - 1.35, and >1.35. The ranges for the Phosphoria Formation are <1.35, 1.35 - 2.0, 2.0 - 4.0, and >4.0; the ranges for the Ferron Sandstone Member are <0.45, 0.45 - 0.5, 0.5 - 0.55, 0.55 - 0.6, [...]

Contacts

Point of Contact :
U.S. Geological Survey - CERSC Data Management Services Project
Originator :
United States Geological Survey
Metadata Contact :
U.S. Geological Survey - CERSC Data Management Services Project
Publisher :
U. S. Geological Survey, Central Energy Resources Team
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Central Energy Resources Science Center
USGS Mission Area :
Energy and Minerals

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Purpose

The U.S. Geological Survey has completed an assessment of the undiscovered oil and gas potential of the Uinta-Piceance Province of northwestern Colorado and northeastern Utah as a task of the National Assessment of Oil and Gas project. Critical to defining a Total Petroleum System, its associated Assessment Units, and in assessing the oil and gas resources of that system, is characterizing the level of thermal maturity and hydrocarbon generation history of a potential source rock. These datasets show ranges of vitrinite reflectance, which represent thermal maturity, for each of the key petroleum system horizons.
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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P92NZLRQ

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