Geology metamorphic and sedimentary rocks Crossword
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Down:
2) Rise in temp. in a host rock4) Larger grains surrounded by fine grained matrix5) form at higher temperatures Gneiss and Schist8) Composed of organic material9) happen in rivers10) Composed of sand sized particles, quartz prominent11) Formed from quartz rich sandstone12) found in rocks15) found in mud cracks16) 18) close to shore, beaches19) breaks down rock components and internal structures of minerals21) Most abundant chemical rock, CaCO323) Glossy sheen and waxy surface, fine crystals24) Formed from limestone CaMgCO3, No fizz with HCl29) Medium to coarse grained, platy minerals31) Most common detrital and sedimentary, mud sized particles in thin layers32) Medium to coarse grained, banded appearance39) Microcrystalline quartz, looks waxy, harder than glass |
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1) Mainly water with other volatile componenets, sources of fluids (agent)3) Pattern of interlocking crystals, may resemble an igneous rock6) looks and taste salty7) physical breaking rocks into smaller pieces13) Coarse, many colors14) Occurs during mountain building, produces the greatest volume of metamorphic rocks17) Increase with depth, confining pressure applies force equally in all directions (agent)20) Composed of particles greater than 2mm, round gravels22) Shale, Sandstone, Conglomerate, Breccia, Limestone, Dolostone, Chert, Evaporates, Rock Salt and Coa25) Very fine grained and cleavage26) All detrital are this, discrete fragments27) the physical removal of material by mobile agents such as water, wind and ice28) Platy minerals are discernible with the unaided eye30) high speed projectiles strike Earth33) Most important agent, two sources contact meta. and Increase in temp.34) Closely spaced planar surfaces along which rock splits35) ion migration result in the segregation of minerals36) mechanical and chemical37) Depends on geothermal gradient38) Slate, Phyllite, Schist, Gneiss, Marble, Quartzite, Anthracite, Meta-conglomerate40) Chemical alteration from hot water |
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