Memorandum on the dipole--dipole resistivity results over the East Mesa geothermal anomaly, Imperial Valley, California

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Some of the results of a resistivity survey completed over the East Mesa geothermal anomaly in Imperial County, California are presented. The area of the heat flow high correlates quite closely with a gravity high and with a seismic ground noise high. A reconnaissance resistivity survey using the Schlumberger electrode configuration was also completed in the Imperial Valley. These data show that a weak resistivity low exists at the East Mesa, at the contact between very low resistivity sediments to the west and slightly higher resistivity rocks to the east. Dipole-dipole resistivity measurements were made through the center of the … continued below

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Medium: P; Size: Pages: 21

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Hallof, P.G. & Bell, B.S. January 1, 1975.

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Some of the results of a resistivity survey completed over the East Mesa geothermal anomaly in Imperial County, California are presented. The area of the heat flow high correlates quite closely with a gravity high and with a seismic ground noise high. A reconnaissance resistivity survey using the Schlumberger electrode configuration was also completed in the Imperial Valley. These data show that a weak resistivity low exists at the East Mesa, at the contact between very low resistivity sediments to the west and slightly higher resistivity rocks to the east. Dipole-dipole resistivity measurements were made through the center of the heat-flow high using x = 2,000', N = 1,2,3,4,5 along lines about five miles long. The results indicate a distinct resistivity low, at depth, that correlates with the East Mesa geothermal high. The details of the resistivity low can be seen much more clearly in the dipole-dipole data than from the reconnaissance survey. (JGB)

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Medium: P; Size: Pages: 21

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  • January 1, 1975

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  • Jan. 22, 2018, 7:23 a.m.

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  • May 14, 2019, 2:24 p.m.

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Hallof, P.G. & Bell, B.S. Memorandum on the dipole--dipole resistivity results over the East Mesa geothermal anomaly, Imperial Valley, California, report, January 1, 1975; United States. (https://digital.library.unt.edu/ark:/67531/metadc1061848/: accessed May 14, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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