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Riya Sen posted an Question
October 16, 2021 • 13:26 pm 30 points
  • IIT JAM
  • Geology (GG)

17. plagioclases of lunar anorthosite are: a. calcic b. sodic c. albitic d. both b&c (amu-2015)

17. Plagioclases of Lunar Anorthosite are: A. Calcic B. Sodic C. Albitic D. both B&C (AMU-2015)

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    Mayank vedwal Vedwal Best Answer

    Lunar anorthosite is calcic. Surface of moon is divided in two parts :- Highland and Maria (lowland) . Highlands are made up of anorthosite rock while Maria is made up of basalt. The anorthosite found on earth has labradorite in its composition means it is both calcic and sodic in nature but anorthosite rock found on moon is rich in calcium content.

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