Multiple Choice
The molten portion of magmas and lavas is made up of ________.
A) complex anion frameworks of oxygen with silicon and aluminum and cation modifiers made up of different amounts of calcium, sodium, iron, magnesium, and potassium
B) metamorphic fluids
C) silicate minerals that have already crystallized
D) solid high pressure forms of water, carbon dioxide, and sulfur dioxide
Correct Answer:

Verified
Correct Answer:
Verified
Q35: Which of the following igneous rock always
Q36: The most common volcanic rock type is
Q37: What is a very large (> 100
Q38: _ is a volcanic rock that is
Q39: Examine the words and/or phrases for each
Q39: Pyroxene, hornblende, and biotite are all minerals
Q41: Match the description with the appropriate texture.<br>-_
Q42: The phaneritic equivalent of basalt is<br>A)gabbro<br>B)granite<br>C)diorite<br>D)peridotite
Q44: Which of the following igneous rocks exhibit
Q45: Mafic rocks have silica contents of _