Gurmeet Singh posted an Question
December 23, 2020 • 19:10 pm 30 points
  • IIT JAM
  • Geology (GG)

63. match igneous rocks in group 1 with their with their most common textures in group . group i p. komatiite q. dolerite r. lamprophyre group ii . porphyritic

63. Match igneous rocks in Group 1 with their with their most common textures in Group . Group I P. Komatiite Q. Dolerite R. Lamprophyre Group II . Porphyritic 2. Spinifex 3. Ophitic 4. Panidiomorphic S. Andesite A. P-3, Q-1, R-2, S-4 B. P-2, Q-1, R-4. S-3 C. P-4. Q-3, R-1, S-2 D. P-2, Q-3, R-4, S-1 (ITT-JAM 2012)

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    Rahul kumar best-answer

    Answer should be D. Dolerite shows ophitic texture. Olivine dominated Komatiite shows spinifex texture. Lamprophyre shows panidiomorphic texture and Andesite shows porphyritic texture.

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