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Rocks crossword puzzle

By Jordan L.
Across
Igneous rocks form when ______ rock cools and solidifies
Rocks formed by many layers of deposits made up living things or made by living things
Type of metamorphic rock that the grains are arranged randomly
What a mineral is made of
Hot molten rock that cools beneath the earth's surface
Type of sedimentary rock composed of pre-existing minerals and rock
The look, feel, shape, and pattern of a rock's grain
Type of rock formed by the accumulation of sediment.
How and where the rock formed
Type of rock created by molten rocks or magma cooling underground
Down
A sedimentary rock that forms when small particles of clay are deposited in water in thin, flat layers
One of the least useful features or characteristics used to classify rocks
A sedimentary rock which is often composed of the skeletal fragments of marine organisms such as coral
Type of rock created from an existing rock by heat or pressure deep underground.
A extrusive igneous rock created by rapid cooling of lava
Molten rock that cools on the surface of the earth
A type of igneous rock commonly used to design kitchen counter tops
Type of metamorphic rock where grains are arranged in layers
Sedimentary rocks are formed by _________ building up and cementing together
This type of metamorphic rock formed when limestone is exposed to high temperatures and pressures. Often used in buildings, monuments and statues.
This type of metamorphic rock is know for its bright blue color and is often used to make jewelry