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Cosmopsy posted an Question
December 15, 2020 • 20:04 pm 30 points
  • IIT JAM
  • Geology (GG)

In the educnle study material, why is the fold rotations denoted by hollow structure at the centre, it should be solid right??

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    Saurabh 1 Best Answer

    Yes it should be solid... Like two fold, three fold, four fold and six fold are solid in case of Crystallographic projection. But in case of some crystal classes like 3 bar, 4 bar and 6 bar you will get something like this shown in the figure

    cropped203509228252922893.jpg
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