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5 Cards in this Set

  • Front
  • Back
Rock
a naturally formed, non living, firm and coherent mass of solid Earth material
Sedimentary Rock are formed:
-compaction
-cementation
-deposition
-matrix
Igneous Rocks are formed:
formed when molten rock (magma) solidifies
Metamorphic Rocks are formed:
Formed when existing rock is exposed to high temperature, intense pressure, and or chemical activity to form a new rock type
Formation of Igneous Rocks:
Intrusive
-when rocks form when magma squeezes through or between existing rock layers and then cools
-channels formed when magma squeezes through or between existing rock layers called dikes
-The deposits of magma that squeeze horizontally between or withing rock layers are called sills
-instusive rocks are also known a s plutonic rocks