돌대가리

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Author:
Anonymous
ID:
201920
Filename:
돌대가리
Updated:
2013-02-20 01:10:30
Tags:
jhee
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Description:
gee gee gee gee baby baby baby ~
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    • Andesite (Igneous)
    • Extrusive/ Intermediate
    • Convergent Plate Margins
    • Basalt (Igneous)
    • Extrusive/ Mafic
    • Rich in MgO and CaO
    • Ocean Floor
    • Diorite (Igneous)
    • Intrusive/ Intermediate
    • Volcanic arcs
    • Gabbro (Igneous)
    • Intrusive/ Mafic
    • Chemically Equivalent to Basalt
    • Ocean Floor
    • Granite (Igneous)
    • Intrusive/ Felsic
    • Continental Plates
    • Obsidian (Igneous)
    • Extrusive/ Felsic
    • Rapidly cooling lava from volcanoes
    • Pegmatite (Igneous)
    • Intrusive/ Felsic
    • Noticeable Crystal Size (2.5 >)
    • Peridotite (Igneous)
    • Ultramafic
    • Mostly composed of Olivine
    • Magnesium rich
    • Upper Mantle
    • Pumice (Igneous)
    • Extrusive/ Felsic
    • Super heated , highly pressurized erupted from volcano. rapid cooling & depressurizing
    • Rhyolite (Igneous)
    • Extrusive/ Felsic
    • Resembles Granite
    • High silica content, Low Mg and Fe content
    • Cool too quickly form crystals
    • Scoria (Igneous)
    • Mafic/ Intermediate
    • Similar to Pumice, larger vesicles/ walls & denser.
    • Anthracite Coal (Sedimentary)
    • High luster, carbon content
    • Few impurities
    • Difficult to ignite, short blue flame, smokeless
    • Called: black, hard, stone, blue coal
    • Arkose (Sedimentary)
    • Type of Sandstone, mostly Quartz
    • Must be deposited rapidly before weathering occurs
    • Bituminous Coal (Sedimentary)
    • Soft coal containing tar-like "bitumen"
    • Quality: Lignite < This < Anthracite
    • Result of High Pressure
    • Breccia (Sedimentary)
    • Composed of broken fragments of other rocks
    • Types: Sedimentary, Tectonic, Igneous, Impact, Hydrothermal
    • Sculptural and architectural material

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