The size, shape and pattern of the rock's grain
Texture
Most rocks are made up of particles or minerals called
grains
The kind of rock forms from the cooling of molten rock
Igneous Rock
This kind of rock forms when particles of other rocks or the remains of other animals are pressed and cemented together
Sedimentary Rock
This kind of rock is formed when an existing rock is changed by heat, pressure or chemical reactions
metamorphic rock
igneous rock formed from lava that erupted to Earth's surface
extrusive rock
The most common extrusive rock
basat
Igneous rock that formed when magma hardened beneath Earth's surface
intrusive rock
A rock with large crystals scattered on a background of smaller crystals has
porphyritic texture
A material formed from oxygen and silicon
silica
Occurs when running water or wind loosen and carry away the fragments of rock
erosion
The process by which sediment settles out of the water or wind carrying it
deposition
Small solid pieces of material that come from rocks or living things
sediment
The process that presses sediments together
compaction
The process in which dissolved minerals crystalize and glue particles of sediment together
cementation
sedimentary rock that forms when rock fragments are squeezed together
clastic rock
Forms where the remains of plants and animals are deposited in thick layers
Organic rock
Forms when minerals that are dissolved in a solution crystallize
Chemical rock
Skeletons that grow together form a structure called a
coral reef
A ring shaped coral island found far from land
atoll
Metamorphic rocks that have their grains arranged in parallel layers or bands are said to be
comes from the latin word meaning leaf
foliated
A series of processes on and beneath Earth's surface that slowly change rocks from one kind to another.
The rock cycle
The most abundant intrusive rock in the part of the crust that makes up the continents.
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