IIT JAM
Anukruti Asked a Question
January 4, 2021 1:47 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

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  • Rahul pandey thankyou
    Basalt can't be an answer because according to IUGS classification of volcanic igneous rocks, Basalt won't contain any quartz. Basalt will always contain feldspathoids. You can als...
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  • Rahul pandey Best Answer
    Answer: Andesite Given, Qtz= 2%, Plg= 60%, Orthoclase= 1%, Olivine=6%, Opx=5% , Cpx= 18% , Others= 8% Here, Q+A+P> 10%, so according to the IUGS classification, we will use QAPF ...
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