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Preliminary Isostatic Residual Gravity Map of the Newfoundland Mountains and East Part of the Wells 30x60 Quadrangles, Box Elder County, Utah

Preliminary Isostatic Residual Gravity Map of the Newfoundland Mountains and East Part of the Wells 30x60 Quadrangles, Box Elder County, Utah
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SKU MP 13-4
Weight 0.19 lbs
 
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By: V. E. Langenheim, N.D. Athens, B.A. Churchel, H. Willis, N.E. Knepprath, J. Rosario, J. Roza, S.M. Kraushaar, and C.L. Hardwick

A new isostatic residual gravity map of the Newfoundland Mountains and east of the Wells 30x60 quadrangles of Utah is based on compilation of preexisting data and new data collected by the Utah and U.S. Geological Surveys. Pronounced gravity lows occur over Grouse Creek Valley and locally beneath the Great Salt Lake Desert, indicating significant thickness of low-density Tertiary sedimentary rocks and deposits. Gravity highs coincide with exposures of dense pre-Cenozoic rocks in the Newfoundland, Silver Island, and Little Pigeon Mountains. Gravity values measured on pre-Tertiary basement to the north in the Bovine and Hogup Mountains are as much as 10mGal lower. Steep, linear gravity gradients may define basin-bounding faults concealed along the margins of the Newfoundland, Silver Island, and Little Pigeon Mountains, Lemay Island and the Pilot Range.

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Published: 2013
Pages:
Location: Utah
Media Type: CD-ROM Publication

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