Igneous Rock
Fast Cooling rocks with small crystals. Also may have air bubbles.
What is an extrusive rock?
A rock consisting of sediment that is cemented together over a long period of time.
What is a sedimentary rock?
a rock put under pressure and through high temperatures.
What is a metamorphic rock?
This is used to tell how hard a mineral is, on a scale of 1-10.
What is the Moh's hardness scale ?
A series of processes that occur on and in Earth that slowly change rocks from one kind to the other.
What is the rock cycle?
These are slow cooling rocks created by magma, usually taking hundreds of thousands of years to cool.
What is an intrusive rock?
Used to describe rocks with sharp edges
What is Brecca?
The softest mineral. Is a 1 on the Moh's Hardness Scale.
What is talc?
The third step in creating a sedimentary rock
what is deposition?
The color of a mineral in powdered form
What is streak?
The main component of a sedimentary rock. (where the process begins)
What is sediment?
Breaks along a flat or smooth plane
What is cleave?
This is a type of sedimentary rock with fossils. One example of this is coal
What is an organic sedimentary rock?
The places that metamorphic rock forms
What are pockets of magma and tectonic plates?
These rocks can be described as banded. It has a pattern.
What is a foilated rock