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Describe the rock cycle.
A series of processes on Earth's surface and in the Earth's crust and mantle taht slowly change rocks from one kind to another.
Name 3 things geologists observe when studying rocks.
Geologists observe the rock's mineral composition, color and texture.
How do geologists classify sedimentary rocks?
Sedimentary rocks are classified according to the type sediments that make up the rock.
How do geologists classify metamorphic rocks?
Metamorphic rocks are classified accoding to the arrangement of the grains that make up the rock.
What are foliated metamorphic rocks?
Metamorphic rocks that have their grains arranged in parallel layers or bands, like slate. They split into layers.
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