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The Rock Cycle

Across
Remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
formed by precipitation of minerals from water or acid.
A usually light-colored, coarse-grained igneous rock consisting mostly of quartz, orthoclase feldspar, sodium-rich plagioclase feldspar, and micas.
composed of fragments, or clasts, of pre-existing minerals and rock.
intensity or rank of metamorphism
refers to repetitive layering in metamorphic rocks
formed from magma forced into older rocks at depths within the Earth's crust
metamorphic rocks are formed around igneous intrusions where the temperatures are high but the pressures are relatively low and equal in all directions
Down
Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice (glaciers), and wind.
formation of layers
wear away or change the appearance or texture of (something) by long exposure to the air.
form when magma reaches the Earth's surface a volcano and cools quickly.
a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite.
metamorphism affecting rocks over an extensive area as a result of the large-scale action of heat and pressure.
metamorphism due to contact with or proximity to an igneous intrusion.
formed from the accumulation and lithification of organic debris, such as leaves, roots, and other plant or animal material
a solid inorganic substance of natural occurrence.