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Information Journal Paper

Title

LITHOFACIES AND DEPOSITIONAL ENVIRONMENT OF GLAUCONITIC SANDSTONES OF NEYZAR FORMATION IN EASTERN OF KOPET-DAGH BASINE

Pages

  62-75

Abstract

 The silisiclastic sediments of NEYZAR FORMATION (lower Maestrichtian) are exposed in the eastern of KOPET-DAGH basin NE Iran. It is mainly composed of sandstone, siltstone and shale with a minor amount of sandy fossiliferous limestone. Sandstone is the most important lithofacies in this formation and is mainly composed of quartz and minor amounts of feldspar opaque and clay minerals, GLAUCONY and biogenic debris. Based on characteristics of texture and sedimentary structures they may have been deposited in lagoon and shallow marine environmental conditions (foreshore-offshore). The most important diagenetic processes are cementation and replacement that have been well observed in petrography study. The texture and morphological characteristics of GLAUCONY grains (absence of half-moon and sickle-shaped forms) indicate that they are not reworked and have formed as authigneic mineral. Potassium feldspars and opaque ferron oxid minerals may have been the source of Fe and K for glauconitization. This process has taken place in the suboxic to slightly anoxic environmental conditions.

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    APA: Copy

    MATINFAR, H., MOUSSAVI HARAMI, R., MAHBOUBI, A., & NADJAFI, M.. (2008). LITHOFACIES AND DEPOSITIONAL ENVIRONMENT OF GLAUCONITIC SANDSTONES OF NEYZAR FORMATION IN EASTERN OF KOPET-DAGH BASINE. PEYKE NOOR JOURNAL SCIENCE, 1(4), 62-75. SID. https://sid.ir/paper/203515/en

    Vancouver: Copy

    MATINFAR H., MOUSSAVI HARAMI R., MAHBOUBI A., NADJAFI M.. LITHOFACIES AND DEPOSITIONAL ENVIRONMENT OF GLAUCONITIC SANDSTONES OF NEYZAR FORMATION IN EASTERN OF KOPET-DAGH BASINE. PEYKE NOOR JOURNAL SCIENCE[Internet]. 2008;1(4):62-75. Available from: https://sid.ir/paper/203515/en

    IEEE: Copy

    H. MATINFAR, R. MOUSSAVI HARAMI, A. MAHBOUBI, and M. NADJAFI, “LITHOFACIES AND DEPOSITIONAL ENVIRONMENT OF GLAUCONITIC SANDSTONES OF NEYZAR FORMATION IN EASTERN OF KOPET-DAGH BASINE,” PEYKE NOOR JOURNAL SCIENCE, vol. 1, no. 4, pp. 62–75, 2008, [Online]. Available: https://sid.ir/paper/203515/en

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