Practice Questions #165

GSI and UPSC aspirants, answer the following questions

GSI – Write short answer for each of the following with sketches wherever necessary
(a) Maceration techniques and their application in coal seam correlation.
(b) Limiting conditions of gas hydrate formation in continental shelf.

UPSC – Elucidate petrogenic significance of the following
(i) porphyritic texture
(ii) perthitic texture
(iii) corona structure

Answer in the comment section below

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