Metamorphic Rock
How are metamorphic rocks formed?
How are sedimentary rocks formed?
Compaction and cementation
How are igneous rocks formed?
By cooling and crystallizing
Where are most minerals found?
Earth's crust
What term is used to describe molten rock that flows on Earth's surface?
Lava
What type of rock is characterized by layers of bands of minerals caused by high pressure during metamorphism?
Foliated
What are sediments?
Small pieces of rock
What process occurs when some minerals melt fatser than others?
Partial melting
What term refers to the size and shape of a mineral
Texture
What is a rock that formed below Earth's surface?
INtrusive rock
What is a common nonfoliated rock?
Marble
By what process are are surface materials removed and transported from one location to another?
What effect does a fast colling rate have on grain size?
What is the hardest mineral?
Diamond
What are the 4 agents of erosion?
Wind, water, glaciers, and gravity
What local effect is occurs when molten material comes in contact with solid rock?
Contact metamorphism
What agent of erosion can carry only sand- sized or smaller particles?
Wind
What ultrabasic rock sometimes contains diamonds?
Kimberlites
Which characteristic is least reliable in identifying minerals?
Color
What do we call a rock that formed ON Earth's surface?
EXtrusive rock
From hydrothermal solutions
What process forms salt beds?
Which minerals are associated with the right-hand branch of Bowen's reaction series?
Feldspars
What term describes a way a mineral reflects light?
Luster
What two factors increase with Earth's depth?
Pressure and temperature