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GATE GG-1 · 2023 · GG

Question 19: Igneous petrology

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Question 19

GGMCQ2 marksNeeds review
Based on the given mineral proportions, which one of the following statements is CORRECT?
Rock | Mineral Proportion X | Olivine : Orthopyroxene : Clinopyroxene :: 50 : 30 : 20 Y | Plagioclase : Alkali feldspar : Quartz :: 25 : 45 : 30 Z | Biotite : Plagioclase : Alkali feldspar : Quartz :: 20 : 25 : 35 : 20
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2023GG

GATE GG-1 2023 · Paper 1

Geology and Geophysics · Original paper archive

Section
Section GG
Question type
Multiple choice (MCQ)
Marks
2 marks
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