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Earth Science U3A

how a crystal breaks or splits when stressed
layers or bands found in metamorphic rock
chemical sedimentary rock formed when minerals are left behind by evaporated water
use of water to generate electricity
changes in rocks caused by chemicals in hot water; occurs at low temperature and low pressure
organic material made from plants and animals
pressure and chemical processes that transform sediments into rock
having a uniform structure or composition
forming outside, on the surface of Earth's crust
an individual particle or grain in sedimentary rock
molten rock on Earth's surface
breaking-down process that changes the minerals in rock
precious, rare, or valuable mineral
forming inside, under Earth's crust
formed from non-living materials