Anukruti Asked a Question
October 17, 2020 7:51 pmpts 30 pts
what kind of zoning is displayed by plagioclase grain? a-normal continuous b-reverse continuous c-normal discontinuous d-reverse discontinuous
  • 2 Answer(s)
  • Shares
  • Sajan sarthak sahoo Best Answer
    Normal discontinuous zoning: zoning in which the outer portions of the crystal have a lower-temperature composition than the core. Usually reflects progressive change of melt compo...
    Show more
    Likes(0) Reply(0)
  • Rahul pandey thankyou
    The shown zoning is normal dis-continuous zoning because the core is more anorthitic and the rim is less anorthitic. The term discontinuous is used because of Sharpe change in comp...
    Show more
    Likes(1) Reply(0)
Head Office :
MPA 44, 2nd floor, Rangbari main Road Mahaveer Nagar II, Kota (Raj.) - 324005

Branch Office (Jaipur):
Shyam Tower, Plot No. F2, 6th Floor Amrapali Circle,
Vaishali Nagar, Jaipur, Rajasthan 302021

All Rights Reserved ©