is igneous rock ormed from lava on the Earth's surface
is ingeous rock that is formed when magma hardens beneath the earth's surface
(i)What does rapidly cooling lava form?
fine grained igneous rock with small crystals
(i)What does slowly cooling magma form?
coarse grained rocks with large crystals
(i)lava up and..
(i)extrusive up and..
(i)magma with a a lot of silica forms...
(i)lava with little silica forms...
small, sold pieces of material that come from rocks or other living things
(s)Sedimentary rock forms when...?
sediment is deposited by wind and water
(s)4 forming processes...
Erosion, Deposition, Compaction, and Cementation
running water, wind, or ice loosen and carry away fragments of rock
the process by which sediment settles out of the water or wind carrying it
the process that presses sediment together
the process in which disolved minerals crystallize and glue parcticles of sediment together
(s)3 types of sedimentary rocks?
CLASTIC, ORGANIC, and CHEMICAL
forms when rock fragments are squeezed together
forms where the remains of plants and animalsare deposited in thick layers
forms when minerals that dissolved in a solution crystallize
(m)What can change any rock into metamorphic rock?
heat and pressure from below the Earth's surface
(m)How do Geologists classify metamorphic rocks?
according to the arrangement of the grains that make up the rock
(m)Names of each classifications?
Foliated and Nonfoliated
Metamorphic rocks that have their grains arranged in parallel layers or bands
The mineral grains are arranged randomly