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Vaibhav Singh posted an Question
October 26, 2021 • 20:42 pm 30 points
  • IIT JAM
  • Geology (GG)

Texture of igneous rocks,ch.3 ,jdw.

Is para se hm bol skte h na ki porphyritic texture 2 type ka hota h: vitrophyric and poikilitic .. aur poikilitic hua to large /coarse crystals (set in very fine grained matrix ) jisko hmlog PHENOCRYST bol rhe the,use ab OIKOCRYST bolenge.

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    Sajan sarthak Best Answer

    poikilitic when we define we have a large crystal enclosing a small one...i.e oikocryst. and it has also fine ground mass. yes these are all varieties of porphyritic texture.

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