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rock unit

TermDefinition
Rock The solid mineral forming part of the surface of the earth.
Mineral a solid inorganic substance of natural occurrence.
Igneous Rock 1 of 3 types of rock ; formed by cooling magma or lava.
Sedimentary Rock Sedimentary rocks are types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water.
Metamorphic Rock rises from the existing rock types. the original rock is subjected to heat & pressure. cause physical & chemical changes.
Composition the nature of something's ingredients or constituents; the way in which a whole or mixture is made up.
Texture the feel, appearance, or consistency of a surface or a substance
Rock cycle an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
Weathering The average weather conditions of a region over time are used to define a region's climate. Any of the chemical or mechanical processes by which rocks exposed to the weather undergo chemical decomposition and physical disintegration.
Deposition the process by which sediments, soil, and rocks are added to a landform. Wind, ice, and water, transport previously eroded sediment, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment.
Erosion the process of eroding or being eroded by wind, water, or other natural agents.
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