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Saurabh shukla Asked a Question
October 2, 2020 7:13 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

Chemical analysis of an igneous rock yielded the following results: oxide wt% sio, tio oxide w% mno 2.61 mgo cao 19.40 loi na,o 0.13 oxide w% 5.53 0.32 k,o p 0.

Chemical analysis of an igneous rock yielded the following results: Oxide Wt% SiO, TiO Oxide W% MnO 2.61 MgO CaO 19.40 LOI Na,O 0.13 Oxide W% 5.53 0.32 K,O P 0.04 7.05 20.24 4.05 O5 Al,O, 0.49 2FeO 23.92 What is the name of the rock? A. Kimberlite C. Anortosite B. Carbonatite D. Lamprophyre
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  • Rahul pandey Best Answer
    Ans: Carbonatite Low oxide percentage of SiO2 and high percentage of LOI (loss on ignition) is characteristic of carbonatite rocks.
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    Saurabh shukla
    thanks bhaiya.... 😊
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