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

Daily double!

Decide on how many points you would like to wager as a team.

When you are ready the question will be read and then a 90 second timer will start.

If you answer correctly, you win the points you wagered. If answered incorrectly, you lose the points wagered.

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

M
e
n
u