Key Vocabulary Terms © Copyright NewPath Learning. All Rights Reserved. 94-4678 Visit www.newpathlearning.com for Online Learning Resources. chemical sedimentary rock sedimentary rock formed by the chemical precipitation of mineral material from ocean water (such as gypsum, limestone and halite) deposition compaction & cementation wind & water clastic sedimentary rock sedimentary rock composed of fragments of other rock magma contact metamorphism metamorphism of rock from intense heat when it comes in contact with magma or is in close proximity extrusive igneous rock that comes out onto the Earth’s surface and hardens felsic a description of light colored, silica-rich igneous rocks foliated rock metamorphic rock characterized by layered mineralization Igneous granite pumice obsidian basalt igneous rock rocks that form by the cooling of liquid rock (magma or lava) intrusive igneous rock that is trapped and hardens under the Earth’s crust mafic a description of very dark, iron and magnesium-rich igneous rocks metamorphic rock rock that has changed form due to intense heat and pressure nonfoliated rock metamorphic rock characterized by randomly interlocking crystals or grains organic sedimentary sedimentary rock formed by the accumulation of shell material on the ocean floor regional metamorphism metamorphism of rock by intense pressure such as mountain formation erosion pressure deposition compaction cementation sedimentary rocks formed by the processes of weathering and erosion, transportation, deposition and cementation obsidian obsidian gabbro basalt granite granite feldspar rhyolite basalt marble quartzite granite basalt obsidian pumice
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