Sedimentary
Rocks
Rocks
Sedimentary rock main composition
Sediments
Process that turns metamorphic rock back into magma
Melting
Molten rock found inside the Earth
Magma
Lava and magma cool to form ____ rocks
Igneous
The two main types of weathering
Mechanical and chemical
The alignment of minerals into layers due to pressure
Foliation
Classification of igneous rocks based on location of formation (beneath or above Earth's surface)
Intrusive and Extrusive
An aggregate of 1 or more minerals
A rock
The process of compaction and cementation
Lithification
Metamorphic rocks are existing rocks that have been changed by means of ___ and ___
Heat and pressure
Means by which igneous rock is formed.
Cooling of magma and lava
Process that breaks rocks into smaller sediments over time
Weathering
Coal is an ___ sedimentary rock
Organic
The change in chemical and physical properties due to temperature and pressure
Metamorphism
Earth's most abundant igneous rock
Basalt
Physical removal of soil and rock by water, wind, or ice
Erosion
Most common sedimentary rock
Shale
Controlling factors in metamorphism
Composition of parent rock, heat, pressure, presence of chemically active fluids
Igneous texture with large crystals
Phaneritic texture
Rate at which Earth's temperature increases with depth, typically averaging around 25-30°C per kilometer
Geothermal gradient