Practice Questions #140

GSI and UPSC aspirants, answer the following questions

GSI – Describe Twinning in minerals. Explain the following twin laws
(i) Carlsbad twins
(ii) Baveno twins
(iii) Polysynthetic twins
(iv) Manebach twins

UPSC – Why equal area stereographic projection is preferred for plotting and analyzing structural data?

Answer in the comment section below

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