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Types of Rocks
Sedimentary
Igneous
Metamorphic
The Rock Cycle
100
Coarse-grained, clastic sedimentary rock
What is conglomerate?
100
One word for all the geological processes that form sedimentary rock
What is lithification?
100
The geological proccesses for forming igneous rock
What are melting and cooling?
100
The geological process for forming metamorphic rock
What is heat and pressure?
100
The series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes
What is the rock cycle?
200
An organic sedimentary rock made from the remains of plants
What is coal?
200
The pieces of rock that have been broken down by erosion and weathering
What are sediments?
200
The two kinds of igneous rock
What is intrusive and extrusive igneous rock?
200
The two textures of metamorphic rock
What are foliated and nonfoliated?
200
A person who studies rocks
What is a geologist?
300
Volcanic glass, made from extrusive igneous rock
What is obsidian?
300
The name for the layers in sedimentary rock
What is strata?
300
The relationship between grain size and the amount of time it takes an igneous rock to cool
What is the longer it takes to cool, the larger the crystal size?
300
When metamorphic rocks are formed by nearby magma
What is contact metamorphism?
300
The processes that form sedimentary rocks
What are weathering, erosion, deposition, compaction, cementation?
400
Intrusive igneous rock that has cooled over a long period of time with large crystals
What is granite?
400
Clastic, Organic, and Chemical
What are the three main categories of sedimentary rock?
400
Most common extrusive igneous rock
What is basalt?
400
When metamorphic rocks are formed when pressure builds up deep below the Earth's crust
What is regional metamorphism?
400
Describes the minerals or other materials that make up a rock
What is composition?
500
non-foliated metamorphic rock composed of recrystallized carbonate minerals
What is marble?
500
The most important property for classifying clastic, sedimentary rocks
What is texture?
500
A long crack in the Earth's crust through which lava erupts and flows
What is a fissure?
500
One example of nonfoliated metamorphic rock
What is marble or quartzite?
500
Determined by the size, shape, and positions of the grains that make up the rock
What is texture?