Rock Cycle
What is the rock cycle?
The series of process in which rock changes from one type to another.
How are metamorphic rocks formed?
Heat and Pressure
What are two kinds of igneous rock?
Extrusive and Intrusive
What are the three types of sedimentary rock?
Clastic, Chemical, and Organic
What is it called when changes occur suddenly?
Catastrophism
How does metamorphic rock change into magma?
Melting
The metamorphic process in which mineral grains are arranged in planes or bands in called _____________.
Foliation.
What is an intrusive rock?
one that is formed beneath earths surface.
How are clastic sedimentary rocks formed?
The "present is the key to the past" is known as what
uniformitarianism
How does magma become igneous rock?
cooling
Foliated rocks usually have mineral grains that realign to form what type of bands?
parallel
Cooling of lava above Earths crust. Usually fine grained.
Halite is an example of what type of sedimentary rock?
Chemical
How are earthquakes measured?
Magnitude
the rising of regions of the crust to higher elevations.
Two common nonfoliated metamorphic rocks include_____________ and ______________.
quartzite and marble
What is an example of Intrusive Igneous Rock that is coarsed grained?
Diorite
What sedimentary rock is nonrenewable and burned to produce energy for our homes?
Coal
What is Pangea?
How does a sedimentary rock change into a metamorphic rock and then back into a sedimentary rock?
Temperature and pressure, weathering, erosion, and deposition.
Name two metamorphic rocks with a foliated texture.
Slate, phyllite, schist, and gneiss
What is the rock type called that has a nickname of volcanic glass?
Obsidian
When animal remains compact together with sediments and are eventually buried, compacted, and cemented together this is known as what?
fossiliferous limestone.
What is is caused when we determine whether a rock is older or younger? What is it called when we determine the exact age of a rock or fossil?
Relative Dating, Absolute Dating