STUDY OF GENESIS AND MECHANISM OF GLAUCONITE FORMATION IN THE AITAMIR FORMATION AT SOUTH EAST OF DARGAZ

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ASHURI M.; SHARAFI M.; MAHBOUBI A.; MOUSSAVI HARAMI R.; NADJAFI M.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2010 | Volume:18 | Issue:2 Page(s): 247-254

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Title

STUDY OF GENESIS AND MECHANISM OF GLAUCONITE FORMATION IN THE AITAMIR FORMATION AT SOUTH EAST OF DARGAZ

Author(s)

Keywords

AITAMIRQ2

GLAUCONYQ2

AUTOCHTHONUSQ2

PARAAUTOCHTONUSQ2

Abstract

AITAMIR Formation (Albian–Cenomanian) crops out in the Kopet-Dagh basin in north-east Iran.This formation is mainly composed of sandstone, shale, siltstone, and several shellbeds. One of the major components in all of the siliciclastic facies is GLAUCONY. They are AUTOCHTHONUS and parautochthonus types which have formed in suitable physico-chemical conditions and replaced quartz, chert, feldspar, mica and carbonate cement. Nonselective replacement, poorly sorted, along with phosphate, fish teeth and morphological shrinkage are major evidences of AUTOCHTHONUS GLAUCONY. These glauconies are pale green nascent, evolved and highly evolved. GLAUCONY within marine deposits (suitable host rock), associate with bioturbation, presence of pellets of nascent GLAUCONY and debris of sparse GLAUCONY within the matrix forms of greenhalo are others evidences of AUTOCHTHONUS glauconites. Characteristics of PARAAUTOCHTONUS GLAUCONY, including: ooidal rims around rounded peletic glauconites, well sorted GLAUCONYs, presence of glauconites within cross lamination and low fractures in peletics glauconites due to local reworking into in early transgressive surface.

Cites

CARBON AND OXYGEN STABLE ISOTOPES IN SARCHESHMEH AND SANGANEH FORMATIONS AT THE WEST KOPET DAGH BASIN

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APA: Copy

ASHURI, M., SHARAFI, M., MAHBOUBI, A., MOUSSAVI HARAMI, R., & NADJAFI, M.. (2010). STUDY OF GENESIS AND MECHANISM OF GLAUCONITE FORMATION IN THE AITAMIR FORMATION AT SOUTH EAST OF DARGAZ. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 18(2), 247-254. SID. https://sid.ir/paper/3968/en

Vancouver: Copy

ASHURI M., SHARAFI M., MAHBOUBI A., MOUSSAVI HARAMI R., NADJAFI M.. STUDY OF GENESIS AND MECHANISM OF GLAUCONITE FORMATION IN THE AITAMIR FORMATION AT SOUTH EAST OF DARGAZ. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2010;18(2):247-254. Available from: https://sid.ir/paper/3968/en

IEEE: Copy

M. ASHURI, M. SHARAFI, A. MAHBOUBI, R. MOUSSAVI HARAMI, and M. NADJAFI, “STUDY OF GENESIS AND MECHANISM OF GLAUCONITE FORMATION IN THE AITAMIR FORMATION AT SOUTH EAST OF DARGAZ,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 18, no. 2, pp. 247–254, 2010, [Online]. Available: https://sid.ir/paper/3968/en

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