Magma that reaches the surface
What is lava
The resistance of a mineral to scratching is called
What is hardness
rocks formed inside earth
what are intrusive (rocks)
this tests to see what color comes when you rub a rock against a tile.
The building block of rocks
What is a mineral
The wearing down of rock due to exposure to the atmosphere
What is weathering
The process in which rocks change their rock type
What is the rock cycle
Source of rocks in the earth
what is magma
this is how metamorphic rocks are classified
What is wavy bands (foliated vs nonfoliated)
igneous rocks formed outside of earth
What is extrusive
What are the four characteristics of a mineral
Inorganic, Naturally occurring, crystalline structure, definite chemical composition
The classification of lightly colored igneous rocks
What is felsic
Name for when a mineral breaks in a more or less random pattern with no smooth planar surfaces
What is Fracture
The distance a sediment will travel is determined by its....
what is its particle size
Name of the process where sediments are transferred away from its source, typically by water, wind or ice
What is erosion
The parent rock of quartzite
what is sandstone
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted
What is an ore
Name of process that brings intrusive rocks to the surface
What is uplift
Mineral that creates a double refraction when you look through it
What is calcite
geologists use these to help them order rock layers
What is fossils