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Unformatted text preview: 6.) Most earthquakes take place in the circum-pacific belt. 7.) The geothermal gradient is Earths temperature increase with depth. 8.) The seismic discontinuity at the base of the crust is known as the Moho. 9.) The phenomenon in which seismic waves change their direction of travel when they move through materials that have different properties is known as refraction....
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This note was uploaded on 04/08/2008 for the course GEO 101 taught by Professor Kendall during the Spring '08 term at Clemson.
- Spring '08