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Geology
1. Chronostratigrahy of Acritarchs and Chitinozoans from upper Ordovician Strata from the Robat-e Gharabil Area, NE Alborz Mountains, Northern Khorassan Province: Stratigraphic and Paleogeographic Implications

M. Ghavidel-Syooki; S. Borji

Volume 29, Issue 1 , Winter 2018, , Pages 35-51

http://dx.doi.org/10.22059/jsciences.2018.64793

Abstract
  The Palaeozoic rock units mainly, Ghelli, Niur, Padeha, Khoshyeilagh and Mobark formations are well-exposed in the north of Robat-e Gharabil village. 116 out of 157 surface samples were analyzed to determine aged relationships of Ghelli Formation. The samples of Ghelli Formation are dominated by acritarchs ...  Read More