igneous, sedimentary, and metamorphic
What are the three major rock types?
geologist call the fragments that make up rocks this
What is grains
Process that decreases space between grains because of the weight from the layers of sediment
What is compaction?
a natural, solid mixture of minerals or grains
What is a rock?
rocks affected by changes in temperature and pressure, causing them to bend or twist
What is metamorphic rocks?
forms when magma or lava cools and crystalizes
What is Igneous Rocks?
Molten rock below the Earth's surface
What is magma?
(Hint: rocks form here)
What is sedimentary environments
the name for salt as a mineral
What is Halite?
rock formed when lava cools too quickly to form crystals
(HINT: Obsidian)
What is volcanic glass?
rocks formed by deposition, compaction and cementation
What is Sedimentary rocks?
permanent change in shape of rocks by bending and folding (not melting)
What is plastic deformation?
Molten rock that has erupted onto the Earth's surface
What is lava?
Metamorphic rocks that have mineral grains with a random interlocking texture
What is non-foliated rocks?
sedimentary rocks made up of broken pieces of minerals and rock fragments
What is clastic rocks?
rocks that are exposed to extreme temperature and pressure
What are metamorphic rocks?
broken pieces and fragments of rocks
What is clasts?
a sedimentary rock that was formed by organisms or contains the remains of organisms
What is biochemical rock?
a type of igneous rock that is formed when volcanic material erupts, cools, and crystallizes on the Earth's surface
What is extrusive rocks?
metamorphic rock that contains parallel layers of flat and elongated minerals
What is foliated rocks?
series of processes that change one type of rock into another type
What is the rock cycle?
rocks formed as magma cools underground
What is intrusive rocks?
What is texture
sedimentary rocks that form when minerals crystallize directly from water
(HINT: rock salt)
What is chemical rocks?
type of biochemical rock composed of the remains of plants and animals from prehistoric swaps
What is coal?