Texture
More Texture
Mineral Composition
Misc.
Origins
Bonus
100
Larger crystals = ________ cooling
What is slower?
100
What is the mineral in this piece of granite that makes it pink?
What is potassium feldspar?
100
Where would someone looked to find the mineral composition for Andesite?
Where is the middle/bottom of pg. 6 in the reference table?
100
Molten material within earth's crust.
What is Magma?
100
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What is the range ( in percent % ) of Olivine that can be present in Peridotite?
100
The type of rock that forms from magma or lava cooling
An igneous rock
200
Smaller crystals = ________ cooling
what is faster?
200
( True or False )
An igneous rock that forms near Earth's surface will display a texture where plenty of mineral crystals can be seen
What is false?
200
An igneous rock that is light in color
What is felsic?
200
Where can someone find lava?
Where is the surface of the Earth?
200
What is the process that forms Igneous rocks?
What is melting and solidification?
200
This type of felsic igneous rock is black with a glassy texture. 
Obsidian
300
Granite has this mineral size range ( in millimeters )
What is 1-10mm?
300
What is the texture of this rock?
What is fine grained?
300
Dunite and Peridotite are examples of these type of igneous rocks
What is ultra-mafic?
300
An igneous rock containing large crystals is this type of rock
What is an intrusive rock?
300
Rock formed from lava that erupted onto earth's surface
What is extrusive rock?
300
Geologists classify rocks into 3 major groups
Igneous
Sedimentary
Metamorphic
400
What is the name given to this unique rock texture?
What is porphyritic?
400
Andesite
What is fine grained?
400
What are the most common rock-forming minerals? (6 minerals)
Quartz, Feldspar, Biotite, Amphibole, Pyroxene, and Olivine
400
A dark colored felsic rock.
What is Obsidian?
400
Rock that formed from magma that has hardened beneath earth's surface?
What is intrusive rock?
400
What type of rock is this?
The Rock
500
Describe the process that forms the 2 different sized crystals in this rock
What is two stages where first large crystals can grow and then they are moved to the surface of the Earth where the rest of the magma lava cools rapidly
500
Why does this rock have holes in it?
What is volcanic gases trapped when cooling?
500
What is the maximum percentage of Potassium Feldspar that can be in a piece of Granite?
What is 75%?
500
Igneous rocks are classified by
What is texture and mineral composition?
500
Why do we have magma at the surface of the earth?
What is differences in density?
500
These are the building blocks of rocks
Minerals