USGS CMG InfoBank Geology School: mechanical weathering

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Title	Comment	Keywords
Weathering and Soils	30 minutes / n.a.	weathering, soil, "chemical weathering", water, rock, plant, erosion, "mechanical weathering", granite, agriculture, climate, "acid rain"
Mechanical Weathering	03:00 - 04:38 (01:38) / 2.3 MB	"mechanical weathering", weathering, rock, "Earth's surface", "tectonic activity", joint, "pressure release", "granitic dome", Yosemite, crust, uplift, erosion, exfoliation
Ice Wedging	04:38 - 05:41 (01:03) / 1.3 MB	"ice wedging", weathering, "mechanical weathering", water, volume, pressure, granite
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"
Rates of Weathering	08:06 - 09:07 (01:01) / 1.9 MB	"Thomas Hartnett", water, "chemical weathering", weathering, "weathering rate", climate, "mechanical weathering", soil, temperature, "chemical reaction", desert, mineral, "Earth's surface"
Soils	15:09 - 15:35 (00:26) / 1.1 MB	weathering, "mechanical weathering", "chemical weathering", soil, plant, humus, rock
Sediment	02:31 - 03:22 (00:51) / 1.0 MB	sediment, "mechanical weathering", "chemical weathering", erosion, wind, water, ice, "biological activity", sand, dune, beach, pebble, stream, shell, "sea floor", compaction, cementation, "sedimentary rock"
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
Transportation Agent	08:59 - 10:05 (01:06) / 2.3 MB	"J. Lawford Anderson", "glacial advance", "glacial retreat", glacier, "glacial ice", "glacial melt", "glacial flow", rock, silt, "mechanical weathering", bedrock, erosion, "glacial polish", topography, stream, snout

Geology School Keywords

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URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/mechanica.html
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Page Last Modified: Tue Feb 5 05:13:05 PST 2013 (chd)