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100
quarts, feldspar, hornbllende, and mica
What is granite made of?
100
Rocks that form from lava.
Where does igneous rocks form?
100
when erosion drops off minersls.
what is deposition?
100
A structure made of tiny soft-bodied annimals whose skeletons are made of calcite.
What is a coral reef?
100
A type rock with allinged grains.
What is a foilated rock?
200
rocks formed by heat and pressure.
What is what are sedimentary rocks?
200
It is a rock with no grains and is formed by fast hardening magma.
what is obsidian?
200
The prosses when sediments are pressed together.
what is compactation?
200
Florida and Hawaii are the only places in the U.S.A that are tropical enough to support this ocean structure.
What is the only places coral reefs are in the U.S.A?
200
A rock that is formed from shale through heat and pressure.
What is slate?
300
A person who stodies rocks.
Who is a Geologist.
300
A rock that is formed by lava on the earths surface.
what is an extrusive rock?
300
When minerals turn to rocks.
What is cementation?
300
A rock that is formed from anceint coral reefs.
What is limestone?
300
The type of rock the Abe Lincoln meorial is made of.
What is marble?
400
About 20 minerals that form most of rocks on earths surface.
What are rock forming minerals?
400
They are formed by lava and maga which hardens to make rocks.
How are Igneous rocks formed?
400
It is the most common group of sedimentary rocks.
What is a clastic rock?
400
The anceint coral reefs are located where in the U.S.A.
What is Wisconsin, Illinois, Texas, and New Mexico?
400
Igneous are formed from this.
What is magma?
500
They are formed by heat and pressure to change the rocks form.
What is Metamorphic rocks?
500
The Egyptians used this rock to make their staues.
What is granite?
500
A rock formed by plants and animals.
What is an organic rock?
500
a mini city for fish and a under sea structure made of calcite.
What is a coral reef?
500
This group of rocks are formed by compressing minerals to form rocks..
What are Sedimentary rocks?