Geologic Map of The Saint John Quadrangle, Tooele County, Utah (M-264dm)

M264
In stock
1:24,000 Geologic Maps
$24.95
Media Type *
$24.95

By: Stefan M. Kirby

This map represents the geology of the Saint John quadrangle at 1:24,000 scale. The Saint John quadrangle, in southeastern Tooele County, Utah, covers a part of the floor of Rush Valley. Unconsolidated surficial deposits of Holocene to Pleistocene age cover nearly the entire quadrangle. These deposits include various alluvial fan and channel sediments, and lacustrine units deposited during both the transgression and regression of Lake Bonneville. Normal faults cut unconsolidated deposits in the western half and northeast corner of the quadrangle. In the northeast corner of the quadrangle, conjugate normal faults form a prominent horst and a series of west-facing scarps in late Pleistocene mixed alluvial and lacustrine deposits. Bedrock includes Pennsylvanian-age Oquirrh Group sedimentary rocks exposed in the southwest corner of the quadrangle, which consists of interbedded marine limestone and sandstone. Consolidated Tertiary fine-grained lacustrine basin fill of the Salt Lake Formation is exposed just north of the community of Saint John.

Other Information:
Published: 2013
Pages: 8
Plates: 2
Scale: 1:24,000
Location: Utah
Media Type: Paper Publication

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