IIT JAM
Ishita das Asked a Question
November 24, 2020 9:32 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

112. which of the following stalements is/are true for the zoned plagioclase ka sodic core and calcic shell in metamorphic rocks (b) calcic core and sodic shell

112. Which of the following Stalements is/are true for the zoned plagioclase a Sodic core and calcic shell in metamorphic rocks (b) Calcic core and sodic shell in metamorphic rocks c Calcic core and sodic shell in volcanic rocks Sodic core and calcic shell in volcanic rocks (d) sodic core and calcic shell in plagioclase (e) Both 'a' and 'c'
  • 2 Answer(s)
Answer Now
  • like-1
  • 1 Likes
  • 2 Comments
  • Shares
  • Sajan sarthak thankyou
    In zoned plagioclase Calcic core Sodic rim is the Igneous case in solidsolution. But in metamorphic it's reverse case Sodic core and Calcic rim because due to replacement. so...
    Show more
    Likes(1) Reply(0)
  • Rahul kumar Best Answer
    Answer (e) Both a and c Metamorphic rocks exhibit reverse zoning (sodic core and calcic rim) whereas volcanic rocks exhibit normal zoning (calcic core and sodic rim). It happens b...
    Show more
    Likes(1) Reply(0)
How Eduncle Helps You ?
StudentTutorInstitutionApp
Help
FAQsPayment TermsRefund PolicyAsk Support
Head Office :
MPA 44, 2nd floor, Rangbari Main Road,
Mahaveer Nagar II, Kota (Raj.) – 324005

Corporate Office:
212, F-1, 2nd Floor, Evershine Tower,
Amrapali Marg,
Vaishali Nagar, Jaipur (Raj.) – 302021

Mail: info@eduncle.com
All Rights Reserved © Eduncle.com