Old Earth Ministries Online Geology Curriculum

Geology Chapter 5 Quiz

This short quiz should prepare you for the end of chapter test. It has 12 questions. You may take this quiz as many times as you like. Please proceed.

Please enter your Full Name:
Your Email Address:
Your ID Number or Password:

1: This rock has an aphanitic texture, and is intermediate between rhyolite and basalt.: Diorite
Andesite
Gabbro
Peridotite
2: Granitic magma is also known as felsic magma.: True
False
3: This texture refers to a rock that has crystals that you can see, surrounded by a fine-grained matrix.: Phaneritic texture
Porphyritic texture
Pyroclastic texture
Aphanitic texture
4: A batholith is a very large body of crystalline rock, composed mostly of granite.: True
False
5: A ______ is a tabular intrusive layer of rock that is parallel, or concordant to, the layering.
6: This rock is a highly vesicular felsic igneous rock that is ejected into the air from a volcano.: basalt
obsidian
tuff
pumice
7: A rock with aphanitic texture is...: scoria
peridotite
basalt
diorite
8: Gabbro, basalt, and scoria come from what magma type?: Felsic
Mafic
9: This rock has conchoidal fracturing and sharp edges like broken glass.: granite
scoria
gabbro
obsidian
10: Pyroclastic texture appears grainy, and may contain shards of glass.: True
False
11: Viscosity refers to a substance's ability to resist flow.: True
False
12: Peridotite is a dense, course-grained rock which consists mostly of the minerals...: pyroxene and Ca-plagioclase
olivine and pyroxene
Na-plagioclase and olivine