The color of the powdered form of a mineral is called what?
Streak
A light colored igneous rock is called...
Felsic
What are the two processes responsible for changing sediments into sedimentary rock?
Compaction and cementation
What two things are needed to metamorphose a rock?
Heat and Pressure
The process of mineral formation from the cooling of magma is called what?
Crystalization
What are the two main types of lusters?
Metallic & Non-Metallic
What texture does an igneous rock have that cooled inside the Earth?
Intrusive/Phaneritic
What are the three types of sedimentary rocks?
Clastic, chemical, and bioclastic
The kind of metamorphism that occurs along tectonic boundaries.
What is Regional Metamorphism
The processes that make any rock into sediment
What is weathering and erosion
What is the least useful property when identifying minerals?
Color
What two elements do mafic rocks have a lot of?
Iron and Magnesium
What is the texture of igneous rocks that has gas bubbles?
Vesicular
Heat for contact metamorphism is caused by this
What is a magma chamber
The 3 rocks types are classified by what characteristic
What is how they formed.
What mineral is used to make drywall?
Gypsum
If an igneous rock is composed primarily of quartz & feldspar, what is the color?
Felsic
What are the pieces of sediment called that make up a sedimentary rock?
Clasts
The banding caused by heat and pressure is...
foliation
What a Sedimentary rock must do in order to turn into an Igneous rock.
What is melt.
If a mineral formed by high pressures and temperatures, which environment did it most likely form in: Igneous, Sedimentary, or metamorphic?
Metamorphic
What is the most important factor impacting grain size in igneous rocks?
Rate of cooling
If minerals are precipitated out of a solution, what type of sedimentary rock would it be?
Chemical
The metamorphic rock coming directly from shale that needs the least amount of heat and pressure to form
A conglomerate rock forms from these two processes
What is compaction and cementation