Science
Terms
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- igneous rock
- a type of rock that forms from the cooling of molten lava at or below the surface
- metamorphic rock
- a type of rock that is changed by heat pressure or chemical reactions
- rock cycle
- a series of processes on hte surface and inside earht that slowly change rocks from one kind to another
- porphyritic texture
- an igneous rock texture in which large crystals are scattered in the background of much larger crystals
- cementation
- the process by which dissolved minerals crytaliza and glue particles of sediment together in one mass
- sedimentary rock
- a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed an cemented together
- erosion
- the destructive process in ehich water or wind loosen and carry away fragments of rock
- atoll
- a ring shaped coral island found far from land
- sediment
- small solid pieces of material that comes from rocks or organisms
- clastic rock
- sedimentary rock that forms when rock fragments are squezed together under high pressure
- texture
- the look and feel of a rocks surface
- compaction
- the process by which sediments are pressed together under their own weight
- organic rock
- sedimentary rock that forms where remains of organisms are deposied in thick layers
- chemical rock
- sedimentary rock that forms when minerals crystalize from a solution
- grain
- a particle of mineral or other rock that gives a rock its texture
- foliated
- term used to describe the metamorphic rocks whos grains are arranged in parralel layers or bands
- deposition
- the process by which the sediment settles out of the water and wind that is carrying it
- extrusive rock
- igneous rock that forms from lava on earths srface
- coral reef
- a structure of calcite skeletons built up by coral animals in warm shallow water
- intrusive rock
- igneous rock that forms when magma hardens beneath earths surface