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USGS CMG InfoBank Geology School: crystal

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Title Comment Keywords
Minerals: The Materials of Earth 30 minutes / n.a. mineral, rock, "physical property", "mineral identification", quartz, precipitation, element, "crystal structure", crystal, atom, "metallic mineral", "laboratory analysis", crust, color, "chemical composition"
Atomic Structure 06:08 - 07:26 (01:18) / 1.7 MB mineral, "atomic structure", atom, crystal, "chemical bond", ion
Quartz 08:34 - 09:20 (00:46) / 0.7 MB "Richard Hazlett", mineral, quartz, silicon, oxygen, solid, gas, hardness, "three-dimensional bonding", ion, transparent, crystal, element
Mineral Colors 10:16 - 10:24 (00:08) / 0.2 MB "James Sadd", mineral, color, crystal, rock, "physical property"
Hydrothermal Ore Deposits 21:48 - 22:58 (01:10) / 1.1 MB "J. Lawford Anderson", magma, "igneous intrusion", "metallic mineral", "ore deposit", "hydrothermal ore deposit", metal, element, mineral, quartz, feldspar, mica, "lava flow", crystal, water, boiling, fracture, "magma chamber", precipitation
Sublimation 23:53 - 24:25 (00:32) / 0.6 MB mineral, precipitation, gas, sublimation, "sulfur dioxide", eruption, volcanism, crystal, sulfur, "volcanic vent", "Thomas Hartnett"
Intrusive Igneous Rocks 30 minutes / n.a. magma, igneous, crystal, crust, granite, basalt, plutonic, volcano, intrusion, pluton, mineral, felsic, andesite, "plate tectonics"
Intrusion 04:17 - 05:46 (01:29) / 1.7 MB "James Hutton", granite, plutonic, Scotland, mafic, gabbro, felsic, granite, silica, aluminum, diorite, volcanism, cooling, crystallization, magma, crystal, igneous
Crystals and Cooling 05:46 - 06:48 (01:02) / 1.4 MB "James Sadd", dike, andesite, magma, gneiss, heat, crystal, granite, rhyolite, phenocryst
Textures and Conditions 06:48 - 07:53 (01:05) / 1.6 MB "J. Lawford Anderson", crystal, phaneritic, granite, aphanitic, obsidian
Minerals Crystalize 07:53 - 08:44 (00:51) / 0.9 MB crystal, "J. Lawford Anderson", "igneous rock", mineral, magma, plagioclase, olivine, potassium, feldspar, quartz
Reaction Series 08:44 - 09:24 (00:40) / 0.6 MB crystal, "Norman Bowen", magma, mineral, "reaction series"
Crystallized Minerals 09:24 - 10:44 (01:20) / 1.2 MB crystal, "David Sigurdson", "Norman Bowen", "calcic plagioclase", mineral, olivine, pyroxene, hornblende, biotite, temperature, plagioclase, potassium, feldspar, biotite, muscovite, quartz, "reaction series"
Crystals 10:44 - 11:21 (00:37) / 0.6 MB crystal, "Norman Bowen", magma, water
Differentiation 11:21 - 12:07 (00:46) / 0.6 MB crystal, "David Sigurdson", "Norman Bowen", granite, differentiation, magma, basalt, mafic, felsic, mineral
Crystallized Minerals 12:07 - 12:38 (00:31) / 1.0 MB plutonic, intrusion, mafic, felsic, crystal, "lava flow", ash, magma
Ocean Basalt 13:04 - 13:49 (00:45) / 0.6 MB ocean, ridge, "spreading center", magma, mantle, crystal, basalt, subduction, crust, volcano, "rim of fire", "J. Lawford Anderson"
Anorthosite 22:45 - 24:21 (01:36) / 1.8 MB anorthosite, plutonic, Moon, basalt, magma, crystal, differentiation, calcium, plagioclase, "San Gabriel Mountains", "David Sigurdson"
San Gabriel Anorthosite 24:21 - 24:56 (00:35) / 0.8 MB "San Gabriel Mountains", differentiation, crystal, anorthosite, "David Sigurdson"
Value of Intrusive Igneous Processes 26:05 - 26:58 (00:53) / 1.2 MB "igneous rock", intrusion, mineral, lithosphere, ore, metal, gem, "tectonic activity", planet, magma, crystal, ocean, continent, mountain, "James Sadd"
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"
Metamorphic Rocks 30 minutes / n.a. metamorphism, temperature, pressure, "metamorphic rock", mineral, "plate tectonics", time, crust, composition, "snowball garnet", "sedimentary rock", "igneous rock", heat, crystal
Shear Stress 05:51 - 06:52 (01:01) / 1.8 MB "shear stress", crystal, Chinese, "snowball garnet", geologist, metamorphism, mineral, inclusion, "multi-ringed model", plane
Rising Temperature 09:55 - 10:40 (00:45) / 1.3 MB "directed stress", temperature, mineral, "metamorphic rock", recrystallization, texture, "igneous rock", "sedimentary rock", limestone, calcite, heat, metamorphism, crystal
Metamorphosed Claystone 18:49 - 20:08 (01:19) / 2.0 MB "Douglas M. Morton", metamorphism, claystone, "sedimentary rock", alumina, "regional metamorphism", heat, slate, mineral, temperature, pressure, foliation, layering, phyllite, "linear structure", mica, crystal, garnet, "metamorphic grade", gneiss
Garnet Growth Rates 22:34 - 23:33 (00:59) / 1.4 MB "John Rosenfeld", metamorphism, "United States", "snowball garnet", orogeny, "Appalachian Mountains", "rubidium isotope decay", geologist, crystal, Vermont, "geologic time", humans, tree
Vermont Garnets 23:33 - 25:07 (01:34) / 2.7 MB "John Rosenfeld", Vermont, garnet, "geologic time", continent, Eurasia, Africa, America, supercontinent, Pangea, "convergent plate", "Appalachian Mountains", "North American Continent", fold, nappe, burial, crystal, "snowball garnet", "geologic time", "plate tectonics"
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:30 PDT 2013  (chd)