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Geology

Across
Molten mixture of rock forming substances, gases, and water from mantle
Weak spot in the crust where magma comes to surface
Chemical and physical processes that break down rock
Plate boundary where two plates move away from each other
Rock type that forms when particles from other rocks form a rock
Water, ice, wind, or gravity moving weathered rock or soil
Process by which atoms are arranged to form material with crystal structure
Naturally occurring crystalline solid with a definite chemical composition
Type of rock formed from cooling of molten rock
Units of geologic time into which geologists divide eras
Shaking that results from the movement of rocks beneath surface.
One of three long units of geologic time between Precambrian and present
Process by which sediments are pressed together under their own weight
Igneous rock that forms from lava on Earth's surface
Down
Break or crack in Earth's lithosphere
Original isotope that decays away into a different type of atom
Fossil that is widely distributed and lived for short time
Process by which dissolved minerals crystallize and 'glue' into a rock
Liquid magma that reaches surface
Plates move opposite directions
Type of igneous rock that forms when magma cools beneath Earths surface
Type of rock that forms from existing rock changed by heat and pressure
Plate boundary where two plates move towards each other