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Mineral Puzzle

Author: BayLee Cornelison
Across
Light reflection
When lava erupts or extrudes on earth's surface
Forms when pressure, temperature, or chemical processes change existing rock
Do not have mineral grains that are aligned in planes or bands
Amount of space something takes up
Down
Magma intrudes or pushes into surrounding rock below earth's surface and cools
To make up
Combination of Si and O, 90% of earth's crust
Forms when magma cools and hardens
Forms when water which usually contains dissolved minerals evaporates
Some are made of C, O, F, Fe, S sulfides
Varied and compacted and cemented together by calcite or quartz
Forms from the remains, or fossils of once-living plants and animals
Combination of one or more minerals or organic matter
Occurs when pressure causes the mineral grains into a rock to realign to form parallel bands