STRATIGRAPHIC, PETROGRAPHIC AND FACIES CHARACTERISTICS OF THE TASH AND ASTANEH BAUXITIC-LATERITIC DEPOSITS IN EASTHERN ALBORZ: PALEOENVIRONMENTAL IMPLICATIONS

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SHAMANIAN G.H.; MONFARED Z.; OMRANI H.

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Journal: SEDIMENTARY FACIES Year:2015 | Volume:8 | Issue:1 Page(s): 71-86

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Title

STRATIGRAPHIC, PETROGRAPHIC AND FACIES CHARACTERISTICS OF THE TASH AND ASTANEH BAUXITIC-LATERITIC DEPOSITS IN EASTHERN ALBORZ: PALEOENVIRONMENTAL IMPLICATIONS

Author(s)

SHAMANIAN G.H. | MONFARED Z. | OMRANI H. | Issue Writer Certificate

Keywords

BAUXITEQ2

LATERITEQ2

TEXTURAL ANALYSESQ2

FACIES EVIDENCEQ2

TASHQ2

ASTANEHQ3

Abstract

Introduction: BAUXITE deposits can be classified into two main categories according to the bedrock lithology including karstic BAUXITEs, overlying the carbonate rocks and lateritic BAUXITEs overlying alumosilicate rocks (Bardossy, 1982). The Alborz structural zone in northern Iran is the host of a number of important karstic BAUXITE deposits. TASH and ASTANEH bauxitic-lateritic deposits are two of them, located about 40 km north of Shahroud and 30 km northwest of Damghan, respectively. The TASH BAUXITE deposit has been developed as a strati form horizon along the contact zone of Ruteh limestone and Elika dolomitic limestone, whereas the ASTANEH LATERITE deposit located along the contact zone of Triassic dolomitic limestones and Jurassic shale and sandstones. In this paper, the TASH and ASTANEH BAUXITE deposits are examined in terms of field relations, lithologic associations, petrography, mineralogy and geochemistry. The objectives were to determine the deposit characteristics, the paleoenvironmental conditions in the region and the processes responsible for the mobilization, fractionation and deposition of Al, Fe, and Si...

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APA: Copy

SHAMANIAN, G.H., MONFARED, Z., & OMRANI, H.. (2015). STRATIGRAPHIC, PETROGRAPHIC AND FACIES CHARACTERISTICS OF THE TASH AND ASTANEH BAUXITIC-LATERITIC DEPOSITS IN EASTHERN ALBORZ: PALEOENVIRONMENTAL IMPLICATIONS. SEDIMENTARY FACIES, 8(1), 71-86. SID. https://sid.ir/paper/199819/en

Vancouver: Copy

SHAMANIAN G.H., MONFARED Z., OMRANI H.. STRATIGRAPHIC, PETROGRAPHIC AND FACIES CHARACTERISTICS OF THE TASH AND ASTANEH BAUXITIC-LATERITIC DEPOSITS IN EASTHERN ALBORZ: PALEOENVIRONMENTAL IMPLICATIONS. SEDIMENTARY FACIES[Internet]. 2015;8(1):71-86. Available from: https://sid.ir/paper/199819/en

IEEE: Copy

G.H. SHAMANIAN, Z. MONFARED, and H. OMRANI, “STRATIGRAPHIC, PETROGRAPHIC AND FACIES CHARACTERISTICS OF THE TASH AND ASTANEH BAUXITIC-LATERITIC DEPOSITS IN EASTHERN ALBORZ: PALEOENVIRONMENTAL IMPLICATIONS,” SEDIMENTARY FACIES, vol. 8, no. 1, pp. 71–86, 2015, [Online]. Available: https://sid.ir/paper/199819/en

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