Multiple Choice
What does this welded texture indicate about the formation of this rock?
A) It formed from an explosive pyroclastic eruption.
B) The rock solidified at great depth.
C) The magma formed some crystals before rising closer to the surface and solidifying.
D) The magma had abundant dissolved gas.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Fine-grained clastic rocks are:<br>A) easily eroded<br>B) eroded
Q48: The very common carbonate mineral shown here
Q48: What is a principle that can be
Q49: What does this texture indicate about the
Q50: Which of the following does NOT match
Q51: What does this texture indicate about the
Q53: Which of the following locations would contain
Q54: This figure has rock units and geologic
Q57: Which of the following settings would result
Q128: A volcanic breccia texture indicates that:<br>A) there