INVESTIGATION OF TECTONOMAGMATIC PROPERTIES OF JAVAHERDASHT BASALTS IN THE EAST OF GUILAN PROVINCE

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HAGHNAZAR SH.; VOSOUGHY ABEDINI M.; POURMOAFI M.; MALAKOTIAN S.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2010 | Volume:20 | Issue:77 (GEOLOGY ISSUE) Page(s): 23-36

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Title

INVESTIGATION OF TECTONOMAGMATIC PROPERTIES OF JAVAHERDASHT BASALTS IN THE EAST OF GUILAN PROVINCE

Author(s)

HAGHNAZAR SH. | VOSOUGHY ABEDINI M. | POURMOAFI M. | MALAKOTIAN S. | Issue Writer Certificate

Keywords

JAVAHERDASHT BASALTSQ3

INTRA-CONTINENTAL RIFTQ3

SUBDUCTION ZONESQ3

CRUSTAL CONTAMINATIONQ3

Abstract

Introduction: The JAVAHERDASHT BASALTS with Cretaceous age cover vast area in the narthen part of Alborz mauntain at the East of Guilan province. Various theories are expressed for tectonic setting of the basalts. Some of the theories concern the basalts in related to ophiolite complexes, and others to back-arc basins.Aim: Determination of tectonic and geodynamic setting of the basalts is the main aim of this study.Materials and Methods: For creating of the research, 12 samples are analized by XRF method. 143Nd/144Nd & 87Sr/86Sr isotopic ratios of 5 samples from the stadied basalts were determined in the laboratory of Carleton university (Canada).Results: Study of The rang of the Incompatible elements pattern and compare the data with the crustal range, also the study of 143Nd/144Nd & 87Sr/86Sr isotopic ratios and incompatible elements ratios show that the basalts have been concerned to INTRA-CONTINENTAL RIFT magmatism wich are contaminated with continental crust rocks in various quantities.Conclusion: As a result of the CRUSTAL CONTAMINATION, the original geochemical properties of the basalts were changed untruthly SUBDUCTION ZONES geochemical features. It is comparable with transitional basalts of Rio Grande rift, Ethiopian rift and Basin & Range province.

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APA: Copy

HAGHNAZAR, SH., VOSOUGHY ABEDINI, M., POURMOAFI, M., & MALAKOTIAN, S.. (2010). INVESTIGATION OF TECTONOMAGMATIC PROPERTIES OF JAVAHERDASHT BASALTS IN THE EAST OF GUILAN PROVINCE. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 20(77 (GEOLOGY ISSUE)), 23-36. SID. https://sid.ir/paper/70603/en

Vancouver: Copy

HAGHNAZAR SH., VOSOUGHY ABEDINI M., POURMOAFI M., MALAKOTIAN S.. INVESTIGATION OF TECTONOMAGMATIC PROPERTIES OF JAVAHERDASHT BASALTS IN THE EAST OF GUILAN PROVINCE. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2010;20(77 (GEOLOGY ISSUE)):23-36. Available from: https://sid.ir/paper/70603/en

IEEE: Copy

SH. HAGHNAZAR, M. VOSOUGHY ABEDINI, M. POURMOAFI, and S. MALAKOTIAN, “INVESTIGATION OF TECTONOMAGMATIC PROPERTIES OF JAVAHERDASHT BASALTS IN THE EAST OF GUILAN PROVINCE,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 20, no. 77 (GEOLOGY ISSUE), pp. 23–36, 2010, [Online]. Available: https://sid.ir/paper/70603/en

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