ORIGIN AND TECTONIC ENVIRONTMENT OF TERTIARY VOLCANIC ROCKS OF DAMASH AREA IN GUILAN PROVINCE (NORTH OF IRAN)

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HAGHNAZAR SH.; MALAKOTIAN S.

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Journal: Iranian Journal of Geology Year:2013 | Volume:7 | Issue:27 Page(s): 89-101

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Title

ORIGIN AND TECTONIC ENVIRONTMENT OF TERTIARY VOLCANIC ROCKS OF DAMASH AREA IN GUILAN PROVINCE (NORTH OF IRAN)

Author(s)

HAGHNAZAR SH. | MALAKOTIAN S. | Issue Writer Certificate

Keywords

DAMASH VOLCANIC ROCKSQ2

INTRA-CONTINENTAL RIFTQ2

MORB-LIKE MANTLEQ3

CRUSTAL CONTAMINATIONQ2

Abstract

Tertiary volcanic rocks of Damash area have outcraps about 70km for from east of Roudbar in Guilan province. From geochemical point of view, negative anomaly of P, Ba, Zr, Ti, Ta, Nb and positive anomaly of K, Th, Pb, Rb indicate CRUSTAL CONTAMINATION.The ratios of (Tb/Yb) N, Nb/Yb, Zr/Yb, Zr/Y, Zr/Nb, Y/Nb show that the MORB-like depleted mantle source with spinel Facies. Study of the range of incompatible elements pattern and compare with the crustal data range and incompatible elements ratios show that the volcanic rocks have to INTRA-CONTINENTAL RIFT magmatism which are contaminated with continental crust. As a result of the CRUSTAL CONTAMINATION, the original geochemical properties of the volcanic rocks were changed untruthly, these show subduction zones geochemical features.

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APA: Copy

HAGHNAZAR, SH., & MALAKOTIAN, S.. (2013). ORIGIN AND TECTONIC ENVIRONTMENT OF TERTIARY VOLCANIC ROCKS OF DAMASH AREA IN GUILAN PROVINCE (NORTH OF IRAN). IRANIAN JOURNAL OF GEOLOGY, 7(27), 89-101. SID. https://sid.ir/paper/129485/en

Vancouver: Copy

HAGHNAZAR SH., MALAKOTIAN S.. ORIGIN AND TECTONIC ENVIRONTMENT OF TERTIARY VOLCANIC ROCKS OF DAMASH AREA IN GUILAN PROVINCE (NORTH OF IRAN). IRANIAN JOURNAL OF GEOLOGY[Internet]. 2013;7(27):89-101. Available from: https://sid.ir/paper/129485/en

IEEE: Copy

SH. HAGHNAZAR, and S. MALAKOTIAN, “ORIGIN AND TECTONIC ENVIRONTMENT OF TERTIARY VOLCANIC ROCKS OF DAMASH AREA IN GUILAN PROVINCE (NORTH OF IRAN),” IRANIAN JOURNAL OF GEOLOGY, vol. 7, no. 27, pp. 89–101, 2013, [Online]. Available: https://sid.ir/paper/129485/en

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