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Resource appraisal of three rich oil-shale zones in the Green River Formation, Piceance Creek Basin, Colorado

Journal Article · · Quart. Colo. Sch. Mines; (United States)
OSTI ID:6086718
;
The main oil-shale-bearing member of the Eocene Green River Formation, the Parachute Creek Member, contains several distinct rich oil-shale zones that underlie large areas of Piceance Creek Basin in NW. Colorado. Three of these have been selected for an oil-shale resource-appraisal study. Two over-lie and one underlies the main saline zone in the Parachute Creek Member. The uppermost of these zones, the Mahogany Zone, is in the upper third of the Parachute Creek Member/ it ranges in thickness from less than 75 to more than 225 ft and is the most persistent oil- shale unit in the Green River Formation underlying an area of more than 1,200 sq miles in the Piceance Creek Basin. The second rich zone is separated from the Mahogany Zone by a variable thickness of sandstone, siltstone, or low- grade oil shale. This zone attains a maximum thickness of more than 250 ft and underlies an area of more than 700 sq miles. The third rich oil-shale zone is in the lower third of the Parachute Creek Member. It underlies an area of about 300 sq miles near the depositional center of the Piceance Creek Basin and attains a thickness of more than 150 ft. The 3 rich oil-shale zones have total resources of 317 billion bbl of oil in the areas appraised.
Research Organization:
US Geological Survey
OSTI ID:
6086718
Journal Information:
Quart. Colo. Sch. Mines; (United States), Journal Name: Quart. Colo. Sch. Mines; (United States) Vol. 65:4
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
040201* -- Oil Shales & Tar Sands-- Site Geology-- (-1989)
CENOZOIC ERA
COLORADO
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGY
GREEN RIVER FORMATION
MINERAL RESOURCES
NORTH AMERICA
OIL SHALE DEPOSITS
PICEANCE CREEK BASIN
RESOURCES
ROCKY MOUNTAIN REGION
STRATIGRAPHY
USA