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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Rahul kumar Best Answer
Answer (D) Igneous intrusion Epigenetic minerals are the minerals formed at later stage than of surrounding rocks. In igneous intrusion, the melt will be emplaced in surrounding older rocks and minerals crystallizing from the melt will be younger than the older surrounding rocks and thus will have epigenetic relationship.