Geologic map of Elk Ridge and vicinity, San Juan County, Utah (MP 11-1dm)

MP111
In stock
1:62,500 and 1:50,000 Geologic Maps
$17.95
Media Type *
$17.95

By: R. Q. Lewis, Sr., R. H. Campbell, R. E. Thaden, W. J. Krummel, Jr., G. C. Willis, and B. Matyjasik

Elk Ridge is a high plateau in southeastern Utah that extends from the Abajo Mountains west to the Colorado River. The Pennsylvanian Paradox and Honakar Trail Formations are exposed in the deepest canyons near the river; Permian, Triassic, and Jurassic formations cap benches and high plateaus. Strata are gently folded by several broad anticlines and synclines, and several faults and monoclinal folds, including the Comb Ridge anticlinal bend, locally tilt strata up to 30 degrees. The Elk Ridge mining district produced uranium and secondary copper and molybdenum from the Triassic Chinle Formation, mostly in the 1950s and 1960s. Many mines and prospects, most reclaimed, are scattered across the area.

Other Information:
Published: 2011
Pages: 11 p.
Plates: 1 pl.
Scale: 1:62,500
Location: San Juan County
Contains GIS Files
Media Type: Paper Publication

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