Geology Terms

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Alteration

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The process of changing or altering something.

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Cimentation

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The process of binding particles together to form a solid mass.

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Clivage

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The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice.

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Compaction

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The process by which sediments are pressed together under their own weight.

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Courant de convection

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Convection currents that occur in the mantle of the Earth, driving plate tectonics.

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Cristallisation

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The process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal.

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Croute terrestre

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The Earth's crust, the outermost layer of the planet.

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Cycle des roches

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The rock cycle, a concept in geology that describes the transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous.

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Duretee

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Hardness, a measure of how resistant a mineral is to scratching.

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Eclat

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Luster, the way light interacts with the surface of a crystal, rock, or mineral.