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Earth Sci. - Minerals

Across
2nd type of rock.
Naturally occurring inorganic substance with a crystalline form and a consistent chemical composition.
Means "from fire".
A type of Sedimentary rock.
A type of rock.
Another type of renewable energy source.
Means "changed form".
3rd type of rock.
Type of energy source that is not replaceable.
First step in the formation of Sedimentary rock.
Energy source that has hazardous waste.
Nonrenewable energy source that leads to Acid Rain and CO2.
Down
Type of energy source that can be replaced.
A type of Metamorphic rock.
Average temperature of the Earth is increasing.
Types of profitable mineral deposits.
A type of Igneous rock.
Highest production value of minerals in the U.S.
A type of mineral.
Renewable energy source.
How good the insulation is.
A solid part of the Earth.
Magma on top to the Earth's surface.