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Volume 14 Issue 2
Jun 2003
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Nafi M, Abdullatif O M. Petrographic of Northwestern Sudan. Journal of Earth Science, 2003, 14(2).
Citation: Nafi M, Abdullatif O M. Petrographic of Northwestern Sudan. Journal of Earth Science, 2003, 14(2).

Petrographic of Northwestern Sudan

  • Received Date: 16 Jul 2018
  • Rev Recd Date: 16 Jul 2018
  • Publish Date: 16 Jul 2018
  • The sedimentology of the Northwestern Sudan consists of lower, middle and upper cycles. The lower and upper cycles are composed of intercalated fluvial and shallow marine facies, whereas the middle cycle consists entirely of fluvial and glaciofluvial facies. The petrographic analysis shows that the lower and upper cycles consist of quartz and lithic arenite sandstones, whereas the middle cycle consists of arkosic and lithic arenite sandstones. The lower and upper cycle sandstones reflect derivation mainly from recycled orogens with minor contribution from craton interior provenances. However, the middle cycle sandstones indicate derivation from basement uplift, transitional and mainly recycled orogens provenances.

     

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