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Jurassic – Early Cretaceous succession in Ab-Band area, High Zagros (SW Iran)

Moghaddasi J., Babazadeh S.

Volumina Jurassica

2006

Vol. 4, no. 1

99-99

The Jurassic - Early Cretaceous sedimentary rocks of Ab-Band area are located in the High Zagros, southwest Iran. Two sections are examined in this region. They are consisting of two units: Chert and Turbidites Unites. Chert Unit consists of red radiolarian chert with 50% Radiolaria, calcareous chert, white and grey radiolarian chert and argillaceous chert. The best preserved radiolarian fauna occurs in this unit. Turbidite Unit is composed of calcarenite, pelbiomicrosparite with nodular radiolarian chert and argillaceous limestone bearing benthic foraminifera. Two size radiolarian fauna are reported in thin sections. The larger forms are found in lower part of section AÁ and the smaller forms are occuring in the radiolarian chert at section Ca in the Chert Unit. The benthic marine fauna include Pseudocyclamina sp., Pseudocrysalidina sp., Lenticulina aff. quenstedti, miliolids and echinoids.