107-graham – Flashcards
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| Mineral matter |
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| derived from rock material |
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| organic matter |
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| biological in origin, living or dead |
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| oxidation |
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| o2 in soil or groundwater reacts minerals |
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| igneous rocks |
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| formed by magma cooling into a solid state |
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| felsic |
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| contains feldspar and quartz, light in color, lower in density |
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| mafic |
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| contains iron and magnesium, dark, dense |
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| igneous- Quartz |
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| felsic, silicone dioxide, resists chemical breakdown |
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| igneous- olivine |
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| mafic, magnesium iron silicate, metamorhpic |
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| igneous- basalt |
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| mafic(extrusive), weather fast, host to gold copper and sulfide |
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| Sedimentary Rocks |
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| formed from mineral particles of other rocks and organic matter |
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| sedimentary- shale |
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| clastic clay sedimentbreaks easily into flakes |
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| sedimentary- coal |
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| organic, mineral fuel |
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| metamorphic rocks |
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| igneous or sedimentary rocks formed by high pressure or heat |
