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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Mayur Anil Badhe posted an Question
June 20, 2021 • 16:34 pm
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30 points
30 points
- IIT JAM
- Geology (GG)
Q26. refer to the geological map
Q26. Refer to the geological map, which shows the development of a metamorphic aureole around a granite intrusion in a sedimentary sequence. Which one of the following combinations of rocks Sar exposed at locations X, Y and Z is correct? andstonne andsto Limestone Shale Limestone estone Sandstone one and Granlte Z Y hornfels quartzite hornfels X marble (A) marble (B) quartzite marble quartzite hornfels quartzite (C) hornfels (D) marble
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Saurabh 1
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Correct option would be (D). You have one hint given in the question itself, that there is a formation of contact aureole at Y which is surely characterizing Hornfels. So Y-- Hornfels, X--Marble and Z-- Quartzite
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Sajan sarthak Best Answer
contact metamorphism of sandstone will be converted into quartzite. shale will be converted to hornfels limestone will be converted to marble.
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