This is the process that affects the structure or composition of a rock in a solid state as a result of changes in temperature or pressure, or the addition of chemical fluids
What is metamorphism?
100
The grain size and the way grains fit together.
What is texture
100
The process that changes sediment into sedimentary rock
What is deposition, compaction, and cementation
200
This type of igneous rock is formed when lava cools and crystallized on Earths's surface.
What is extrusive rock?
200
Sedimentary rock that is made up of broken pieces of minerals and rock fragments.
What is clastic rock?
200
The permanent change in shape by bending and folding
What is plastic deformation?
200
The fragments that make up a rock
What is a grain?
200
This is the process that changes sedimentary rocks into metamorphic rocks
What is extreme heat and pressure
300
This type of igneous rock is formed when magma cools and crystallized below Earths's surface.
What is intrusive rock?
300
The process where the weight of the layers of sediment forces out fluids and decreases the space between the grains.
What is compaction?
300
This metamorphic rock contains parallel layers of flat elongated minerals
What is foliated rock?
300
Rock particles can be made of _________________
What is mineral cystals, broken minerals, and rock fragments
300
This process changes igneous rock into metamorphic rock.
What is extreme heat and pressure
400
Light-colored minerals, such as quartz and feldspar, contain greater amounts of ..................
What is silica?
400
A sedimentary rock that was formed by organisms or contains the remains of organisms.
What is biochemical rock?
400
This metamorphic rock has mineral grains with random interlocking textures.
What is nonfoliated rock?
400
When you know what a rock is made of, you know it's _____________________
What is it's composition?
400
This is the first step in changing igneous rocks into sedimentary rocks
What is weathering and erosion
500
Lava that cools too rapidly to form crystals.
What is obsidian (volcanic glass)
500
_____________ form when minerals crystallize directly from water.
What is chemical rock?
500
A type of foliated metamorphic rock that is made from the minerals quartz, feldspar, amphibole, and pyroxene (use page 337)
What is gneiss?
500
two types of observations scientists use to classify rock
What is composition and texture
500
The two steps that must occur for metamorphic rock to turn into igneous rock.