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Unformatted text preview: organisms, such as coral reef, shell limestone, or coal. • Chemical sedimentary rock: rock resulting from precipitation of chemical compounds from a water solution. • Clastic: describing rock or sediment composed primarily of detritus of preexisting rocks or minerals. • Half-life: the period of time which one-half of a given number of atoms of a radioactive element or isotope will disintegrate. • Foliation: the planar or wavy structure that results from the flattened growth of minerals in a metamorphic rock. • Luster: the manner in which a mineral reflects light using such terms as metallic, resinous, silky, and glassy....
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- Spring '10
- Geology, Jonathan Grant, fine-grained igneous rocks