8 research outputs found

    Exploration for hot dry rock geothermal resources in the Midcontinent USA

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    Volume 1 consists of an introduction, a geologic overview of the Midcontinent, and data acquisition and evaluation. Volume 2 contains a section on conceptual models for hot dry rock geothermal exploration; local test site evaluations of geothermal prospects in western Nebraska, the Mississippi Embayment area, and southeastern Michigan; and studies related to the deep drill holes in northern Illinois.W. J. Hinze, L. W. Braile, R. R. B. von Frese, E. G. Lidiak, R. E. Denison, G. R. Keller, R. F. Roy, C. A. Swanberg, C. L. V. Aiken, P. Morgan with contributions from W. D. Gosnold.Abstract -- Introduction -- Geologic overview -- Data acquisition and evaluation -- Heat-flow map of the united states based on silica geothermometry -- HDR midcontinent aeromagnetic index -- Hot dry rock conceptual models for exploration strategy -- HDR test site investigations -- The Illinois deep drill hole project -- Introduction to the Illinois deep hole project -- Petrology and physical properties of granites from the Illinois deep hole in Stephenson county -- Geological significance of surface gravity measurements in the vicinity of the Illinois deep drill holes
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