Sedimentary Rocks
What do all sedimentary rocks start as?
Sediment.
Igneous rocks are usually found around these.
Volcanos
What causes metamorphic rocks to be created?
Heat and pressure
What is erosion?
When weathering causes rocks to break into little pieces.
All rocks fall under what 3 categories.
Igneous, sedimentary, and Metamorphic.
What is Erosion?
The movement of sediment.
Liquid rock is called what?
Which rocks can become metamorphic rocks?
All of them.
A rock that is intrusive would have what type of crystals?
Large crystals.
A rock that was sediment then went under pressure, then was melted down and crystalized or cooled inside a volcano is this type of rock.
Igneous Rock.
What is lithification?
The process of compaction and cementation.
Rock from inside a volcano is most likely made from this form of rock.
Magma
These two things are required for a metamorphic rock to form.
What are heat and pressure?
"Made from sediment" is the definition of what word?
Sedimentary
This is how rocks on the surface get pushed into the Earth's core.
Immense Pressure
What are the two types of sedimentary rocks?
Limestone and Chalk.
What are the two categories of igneous rocks?
Intrusive and extrusive.
What process does sandstone go through to form quartzite?
Intense heat and pressure.
Sedimentary rocks get there name from this, the substance they are made of.
Sediment
What types of rocks turn into sediment?
All of them.
This type of rock is formed from dead trees and plants (also known as fossils) ?
Coal.
This type of rock is made when magma comes out of a volcano.
Bassalt
What are the two categories of metamorphic rock?
Foliated and non-foliated
What does foliated mean?
A rock with distinct layers.
This rock is formed when clay is under pressure.
Slate