What is the rock colour (total % of dark minerals) of a typical gabbro or basalt?
A) 25- 45%
B) < 25%
C) > 85%
D) 45- 85%
Correct Answer:
Verified
Q44: What weight percentage of silica (SiO2) typifies
Q45: Magmas rise to shallower depths and intrude
Q46: The behaviour and processes that govern the
Q47: The aphanitic equivalent of granite is
A) komatiite
B)
Q48: Explosive volcanic eruptions occur_ .
A) when crystallization
Q50: The mechanism of selectively removing the minerals
Q51: What is the most common extrusive rock
Q52: Which of the following high silica igneous
Q53: Light coloured aphanitic rocks_ .
A) consist predominantly
Q54: What are vesicles?
A) open voids in an
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents