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EVALUATION OF THE EFFECTS OF WEATHERING ON A 50-YEAR OLD RETORTED OIL-SHALE WASTE PILE, RULISON EXPERIMENTAL RETORT, COLORADO.

By: , , and 
Edited by: Gary James H.

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Abstract

An oil-shale mine and experimental retort were operated near Rulison, Colorado by the U. S. Bureau of Mines from 1926 to 1929. Samples from seven drill cores from a retorted oil-shale waste pile were analyzed to determine 1) the chemical and mineral composition of the retorted oil shale and 2) variations in the composition that could be attributed to weathering. Unweathered, freshly-mined samples of oil shale from the Mahogany zone of the Green River Formation and slope wash collected away from the waste pile were also analyzed for comparison. The waste pile is composed of oil shale retorted under either low-temperature (400-500 degree C) or high-temperature (750 degree C) conditions. The results of the analyses show that the spent shale within the waste pile contains higher concentrations of most elements relative to unretorted oil shale.

Suggested Citation

Tuttle, M., Dean, W.E., Ackerman, D.J., 1985, EVALUATION OF THE EFFECTS OF WEATHERING ON A 50-YEAR OLD RETORTED OIL-SHALE WASTE PILE, RULISON EXPERIMENTAL RETORT, COLORADO., in Oil Shale Symposium Proceedings, Grand Junction, CO, USA, p. 338-346.

Publication type Conference Paper
Publication Subtype Conference Paper
Title EVALUATION OF THE EFFECTS OF WEATHERING ON A 50-YEAR OLD RETORTED OIL-SHALE WASTE PILE, RULISON EXPERIMENTAL RETORT, COLORADO.
Year Published 1985
Language English
Publisher Colorado Sch of Mines
Publisher location Golden, CO, USA
Larger Work Title Oil Shale Symposium Proceedings
First page 338
Last page 346
Conference Title Eighteenth Oil Shale Symposium Proceedings.
Conference Location Grand Junction, CO, USA
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