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rocks

Author: Matthew Gilfert
Across
Dark colored glass formed from the rapid cooling of molten magma.
Coarse-grained light colored intrusive igneous rock that contains many quartz and feldspar minerals.
A rock with a economically useful metal.
Formed by the accumulation of sediments.
Non-foliated metamorphic rock that is produced from the metamorphism of limestone.
A metamorphic rock that consists mainly of talc with various amounts of other minerals.
Light colored extremely coarse-grained intrusive igneous rock.
The first layer of earth.
Fine-grained dark colored extrusive igneous rock.
Down
Magma that has reached the surface.
A non-foliated metamorphic rock that is produced by the metamorphism of sandstone.
A clastic sedimentary rock that is composed of large fragments.
Made by the crystallization and solidification of molten magma.
A chemical sedimentary rock that forms when iron and oxygen combine in a solution and deposit as a sediment.
Changed by heat, pressure and chemical process usually while deep within the earth.
A clastic sedimentary rock that is made up of clay-size weathering debris.
A substance composed of 1 kind of atom.
Foliated metamorphic rock that has banded appearance and is made up of granular mineral grains.
A hard, tough chemical or biochemical sedimentary rock that breaks with a conchoidal.
A naturally occurring inorganic solid with a crystal structure and a definite chemical composition.