Felsic rocks have silica contents of______ are rich in______ .
A) around 50%, pyroxene and plagioclase feldspar
B) more than 85%, calcium rich feldspars and amphiboles
C) about 70%, quartz and feldspar
D) under 40%, olivine and pyroxene
Correct Answer:
Verified
Q6: What do pumice and obsidian have in
Q7: Which of the following igneous rocks exhibit
Q8: Which igneous texture indicates two, distinctly different
Q9: What is the rock colour (total %
Q10: Vesicles are_ .
A) holes that used to
Q12: Felsic rocks like granite_ .
A) make up
Q13: Yellowstone National Park is most famous for
Q14: What would you name an intermediate coloured,
Q15: Three processes contribute to the formation of
Q16: What would you call an aphanitic, vesicular,
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