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8 Cards in this Set

  • Front
  • Back
Igneous Rock
form when melted rock material from inside Eath cools.
Extrusive Rock
When melted rock material cools on the Earth's surface
Intrusive Rock
When melted rock material cools below Earth's surface.
Sedimentary Rocks
Rocks formed when sediment collects in layers
Detrital Rock
Rocks made of grains of minerals and other rock that have moved and been deposited in layers by water, ice, gravity, or wind.
Chemical Rocks
When seawater, loadedwith dissolved minerals, evaporates some sedimentary rocks form.
Organic Rocks
When living matter dies, piles up, and then is compressed into rock.
Fossils
A fossil is the remains or trace of a once-living plant or animal.