Etymology Rocks!
Cool it,
Will Ya?!
Big Grain Time
Rock the Vocab
Mineral Composition
100

The word igneous comes from this Latin word.

What is "ignis?"

100

The word used to describe the texture of igneous rocks that cool quickly

What is extrusive (or aphanitic)?

100

You can do this with crystals grains in intrusive rocks!

What is "see them"?

100

A rock that formed from cooling and freezing of magma or lava

What is an igneous rock?

100

The word geologists use to describe igneous rocks that have a high silica content, evidenced by pink and white minerals present like quartz and feldspar.  

What is felsic?

200

The English translations of Petra and Logos are the root for this geoscience word.

What is Petrology? 

200

These texture forms when lava cools extremely fast, leaving NO time for any crystals to form.

What is glassy?

200

Igneous rocks with crystals large enough to see are said to be this type of igneous rock.

What are intrusive?

200

The complete definition of a rock. 

What is "a natural solid made up of one or more minerals."

200

The name used to describe mineral composition in igneous rocks that have dark-colored minerals rich in iron and magnesium, often making a rock look black. 

What is mafic? 

300

The language origin of the words "phaneritic" and "aphanitic"?

What is Greek?

300

The voids left behind by gases as they escape a cooling lava are called this.

What are vesicles? 

300

The Greek-derived word used to describe the texture seen in rocks that cool slowly underground

What is phaneritic?

300

The full and complete definition of a mineral. 

"A mineral is a natural, non-living solid that has a specific chemical makeup and crystalline structure."

300
Green igneous rocks have this mineral composition.

What is ultramafic?

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