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NOAA Photo Library Image - cgs00921

Classic paper on earthquake mechanisms and nature of faulting on the Mid- Atlantic Ridge which established beyond a doubt the nature of motion of transform faults on ridge systems. This was a major proof of the Theory of Plate Tectonics. Sykes was at the ESSA (forerunner of NOAA) Institute for Earth Sci ences and used data from the C&GS World-Wide Standardized Seismograph Network.

Image ID: cgs00921, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection


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Last Updated:
April 30, 2013