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Diamonds and Diamond Grading 4
How Diamonds Form
10
Geology
Post-Graduate
10/25/2018

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Cards

Term
Core
Definition
Earth's innermost layer
Term
Cratons
Definition
ancient, large, and stable parts of the earth's continental crust
Term
Crust
Definition
the surface and outermost layer of the earth
Term
Emplacement
Definition
a geologic process that delivers materials (sometimes diamonds) to the surface
Term
Igneous
Definition
a category of rocks formed from a molten state
Term
Kimberlite
Definition
an igneous rock that transports diamonds to the surface
Term
Lamproite
Definition
an igneous rock, rarer than kimberlite, that transports diamonds to the surface
Term
Mantle
Definition
layer between the earth's crust and its core
Term
Pipe
Definition
a deep vertical formation at the earth's surface that results from a kimberlite or lamproite emplacement
Term
Subduction
Definition
process in which two crustal plates collide, forcing one under the other
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