USGS CMG InfoBank Geology School: rock composition

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Title	Comment	Keywords
Laboratory Analysis of Minerals	12:54 - 13:29 (00:35) / 0.7 MB	"James Sadd", "microscopic crystal", geologist, rock, petrologist, "rock composition", "rock origin", sample, "laboratory analysis", "physical property", "mineral identification", mineral
Chemical Weathering	05:41 - 06:42 (01:01) / 2.2 MB	"mechanical weathering", weathering, "chemical weathering", disintegration, "ice wedging", "Earth's surface", "tectonic activity", "rock composition", crystal, quartz, feldspar, "ferromagnesium mineral"
Water and Moisture	06:42 - 08:06 (01:24) / 2.2 MB	"chemical weathering", weathering, water, moisture, "chemical decomposition", mineral, rainfall, "carbon dioxide", atmosphere, "carbonic acid", vegetation, soil, limestone, "rock composition", iron, oxygen, "iron oxide", limonite, geothite, hematite, rust
Weathering and Erosion	03:22 - 03:58 (00:36) / 0.6 MB	"Dee Trent", crust, "igneous rock", "metamorphic rock", "sedimentary rock", "Earth's surface", weathering, erosion, "rock composition", "mechanical weathering", "chemical weathering", mineral

Geology School Keywords

U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/rock_compos.html
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Page Last Modified: Tue Feb 5 05:13:12 PST 2013 (chd)