Shivam sharma Asked a Question
September 7, 2020 4:19 pmpts 30 pts
Q.12 Aplutonic rock consisting only of plagioclase, pyroxene and hornblende as major minerals is Known as (A) dunite (C)granite (B) lherzolite (D) diorite Q.13 Match the feature in Group I with appropriate taxon in Group II. Group I P. Monomyarian Q. Deltidial plates Group II 1. Echinoidea 2. Anthoz0a 3. Pelecypoda 4. Brachiopoda R. Corona S. Epitheca (A) P-3, Q-4, R-1, S-2 (C)P-4, Q-3, R-2, S-1 (B) P-4, Q-2, R-1, S-3 (D) P-3,Q-4, R-2, S-1 GG-2/24 A Q.14 Anormal fault has a dip of 45" towards east, and a throw of 100 metres. The heave of the fault in metres) is (A) 50 (B) 100 )200 (D) 400
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  • Sajan sarthak sahoo Best Answer
    12.Diorite is usually composed of sodium-rich plagioclase with lesser amounts of hornblende, biotite, and pyroxene minerals. It usually contains little if any quartz. This makes di...
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  • Rahul pandey thankyou
    12. (D) Diorite; Diorite is an intrusive igneous rock composed principally of the silicate minerals plagioclase feldspar, biotite, hornblende, and/or pyroxene.  Q13(A) Monomyarian...
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