Rocks
Terms
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- weathering
- process that breaks down a rock into smaller particles
- porphyritic
- has both small and large grains
- sedimentary rock
- rock made from sediments
- sandstone
- rock that is made up of sand grains, important for filtering water
- deposition
- laying down of sediments
- felsic
- light colored, high silica igneous rock
- layered intrusion
- important source of valuable ores and metals
- texture
- the size of the crystals in a rock
- glassy texture
- cools so fast no crystals form
- pegmatite
- extremely large crystals
- rock
- mixture of minerals
- non foliated
- not striped texture
- granite
- intrusive igneous rock
- Bowen's Reaction series
- predictable pattern of cooling for igneous rocks
- lithification
- physical process of compaction and hardening of sediments to make a rock
- breccia
- course grained sedimentary rock with angular pieces
- mafic
- dark colored, low silica igneous rock
- porosity
- ability for water to travel through a rock, open spaces in a rock
- extrusive
- formed outside of earth
- igneous
- fire, rock made from lava
- course grain
- large crystals or sediments
- erosion
- transport of sediments
- metamorphic rock
- rock that has been changed by heat and pressure
- intrusive
- formed inside of earth, large grains
- rock cycle
- process where rock change from one type to another
- cementation
- chemical process when crystals grow around sediments to create a rock
- fine grain
- small crystals or sediments
- foliated
- stripped texture
- sediments
- small particles of rock
- rhyolite
- extrusive igneous rock
- conglomerate
- course grained sedimentary rock with round pieces