USGS CMG InfoBank Geology School: calcium

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Title	Comment	Keywords
Anorthosite	22:45 - 24:21 (01:36) / 1.8 MB	anorthosite, plutonic, Moon, basalt, magma, crystal, differentiation, calcium, plagioclase, "San Gabriel Mountains", "David Sigurdson"
Calcium and Phosphorous	13:48 - 15:09 (01:21) / 2.4 MB	weathering, "chemical weathering", calcium, phosphorous, element, bone, plant, soil, animal, apatite, granite, phosphate, rock, "food chain", life, vertebrate

Geology School Keywords

U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/calciumplagioclas.html
Page Contact Information: InfoBank staff
Page Last Modified: Tue Feb 5 05:12:52 PST 2013 (chd)