Results of hydraulic tests in wells DOE-1, 2, 3, Salt Valley, Grand County, Utah

Rush, F. Eugene; Hart, I. M.; Whitfield, M. S.; Giles, T. F.; D'Epagnier, T. E.

Abstract:

Three exploratory wells were drilled for geological, geophysical , and hydrological purposes in Salt Valley, Grand County, UT. Cap rock, salt, and interbeds of the Paradox Member of the Hermosa Formation of Middle Pennsylvanian age were penetrated. The observed depth below land surface of the cap rock-salt interface ranges from 163 to 191 meters. Approximately the upper 100 meters of cap rock were unsaturated by ground water. Within the saturated part of the cap rock, hydraulic heads generally decrease with depth and southwestward. Ion concentrations generally increase with depth in the saturated cap rock. Hydraulic conductivity of cap rock, as determined from pumping tests, may be on the order of 0.005 meter per day; as a result, ground-water flow rates in the cap rock are probably very low. A carbon-14 specific activity for cap rock water yielded an uncorrected ‘ age ‘ of greater than 36,000 years. Salt and interbeds have hydraulic conductivities probably less than 0.0001 meter per day. (USGS)

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USGS Numbered Series

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22121

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Rush, F. Eugene; Hart, I. M.; Whitfield, M. S.; Giles, T. F.; D'Epagnier, T. E.

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ENGLISH

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v, 38 p. ill. ;28 cm.

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U.S. Dept. of the Interior, Geological Survey : Open File Services Section, U.S. Geological Survey [distributor],

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Open-File Report

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OFR

Citation Series Number:

80-205

Citation Search Results Text:

Results of hydraulic tests in wells DOE-1, 2, 3, Salt Valley, Grand County, Utah; 1980; OFR; 80-205; Rush, F. Eugene; Hart, I. M.; Whitfield, M. S.; Giles, T. F.; D‘Epagnier, T. E.

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1980

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citation/reference

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Results of hydraulic tests in wells DOE-1, 2, 3, Salt Valley, Grand County, Utah; 1980; OFR; 80-205; Rush, F. Eugene; Hart, I. M.; Whitfield, M. S.; Giles, T. F.; D‘Epagnier, T. E.