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The Eparchean Unconformity forms the boundary between Proterozoic Nagari Quartzite and Archean Granite. Now, the Gulcheru Quartzite marks the onset of sedimentation , after Eparchean Unconformity in the Cudappah Basin. So, are 'Proterozoic Nagari Quartzite' and 'Gulcheru Quartzite', the same units?

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    $\begingroup$ Please provide some more context to this question. Where abouts in the world are you talking about for a start? Not everyone is familiar with these units. A map would be very useful if you can provide one. $\endgroup$ – bon Apr 25 '18 at 16:08
  • $\begingroup$ Sorry, my bad. I am talking about the sedimentation process that occurs after the formation of Eparchean Unconformity , which is present in Indian Stratigraphy of Pre Cambrian Time. $\endgroup$ – Faraz Gerrard Jamal Apr 27 '18 at 12:50

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