Dawsonite in the green river formation of Colorado

Economic Geology
By:  and 



Dawsonite NaAl(OH)2C03 is a rare mineral that occurs in relative abundance over hundreds of square miles in the Piceance Creek Basin of northwestern Colorado, as a rock-forming constituent of the oil shales in the green River Formation. In some specimens it makes up 25 percent by weight of the shale. Containing 35 percent of acid-soluble A1203, it has been viewed as a potential ore of aluminum. The dawsonite extends through 700 feet of continuous section of high-grade oil shale (averaging 25 gallons per ton), which may be as much as 1,500 feet in thickness. Its distribution, areally and stratigraphically, is reviewed; methods for its identification, and for its quantitative determination in the oil shale, with special reference to X-ray diffraction procedures are described; and the geochemistry of dawsonite, as it relates to the origin of the mineral, is considered. The scattered literature on dawsonite is briefly summarized. © 1966 Society of Economic Geologists, Inc..

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Publication type Article
Publication Subtype Journal Article
Title Dawsonite in the green river formation of Colorado
Series title Economic Geology
DOI 10.2113/gsecongeo.61.6.1029
Volume 61
Issue 6
Year Published 1966
Language English
Publisher Elsevier
Description 14 p.
First page 1029
Last page 1042
Country United States
State Colorado
Other Geospatial Piceance Creek Basin
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