Image:Geothermal resource map US.png

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Geothermal_resource_map_US.png‎ (28KB, MIME type: image/png)

The geothermal resources map of the United States shows the estimated subterranean temperatures at a depth of 6 kilometers.

To determine the Earth's internal temperature at any depth below the capabilities of normal well drilling, multiple data sets are synthesized. The data used for this figure are: thermal conductivity, thickness of sedimentary rock, geothermal gradient, heat flow, and surface temperature.

[edit] Related image

Heat Flow Contours of the United States.

[edit] Source

This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.

http://www.eere.energy.gov/geothermal/geomap.html

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(del) (cur) 09:41, 4 May 2005 . . SEWilco (Talk | contribs) . . 503×280 (28,427 bytes) (The geothermal resources map of the United States below shows the estimated subterranean temperatures at a depth of 6 kilometers. To determine the Earth's internal temperature at any depth below the capabilities of normal wel)