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File:San Andreas Fault SAFOD Project.jpg

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Description Schematic representation of the SAFOD borehole and pilot hole. The background colors show the structure of the upper crust determined from surface profiling, with blue dots representing and the approximate locations of microearthquakes located by the USGS and UC Berkeley seismology laboratories. The drill site will be located sufficiently far from the San Andreas Fault (as determined by surface fault creep, imaging, and microearthquake locations) to allow for rotary drilling and coring through the entire fault zone starting at a depth of about 3 km and continuing until relatively undisturbed country rock is reached on the far side of the fault. The main SAFOD hole will be drilled at the same surface location as the pilot hole, but offset from the pilot hole by about 20 m.
Source http://www.usgs.gov/125/articles/images/safod_schematic.jpg
Author USGS
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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current15:45, 26 July 2006Thumbnail for version as of 15:45, 26 July 20061,574 × 1,637 (933 KB)Cave cattum{{Information| |Description = Schematic representation of the SAFOD borehole and pilot hole. The background colors show the structure of the upper crust determined from surface profiling, with blue dots representing and the approximate locations of microe

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