PETROGENESIS OF THE LOWER PALEOZOIC IGNEOUS ROCKS, SOUTH OF BAHABAD (BAFQ, CENTRAL IRAN): IMPLICATION FOR RIFTING

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BALAGHI ZARI; SADEGHEIAN MAHMOUD; GHASEMI HABIBOLLAH

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Journal: PETROLOGY Year:2011 | Volume:1 | Issue:4 Page(s): 45-63

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Title

PETROGENESIS OF THE LOWER PALEOZOIC IGNEOUS ROCKS, SOUTH OF BAHABAD (BAFQ, CENTRAL IRAN): IMPLICATION FOR RIFTING

Author(s)

BALAGHI ZARI | SADEGHEIAN MAHMOUD | GHASEMI HABIBOLLAH | Issue Writer Certificate

Keywords

CENTRAL IRANQ2

BAFQQ2

LOWER PALEOZOICQ3

RIFTINGQ3

ALKALINE MAGMATISMQ2

Abstract

The extensive spectrum of intrusive and extrusive igneous rocks with bimodal nature have exposed in the south of Bahabad area, northeast of BAFQ. The intrusive igneous rocks are gabbro to granitic composition. The extrusive rocks compose of volcanosedimentary complex, known as Narigan series, alternation of basalt and rhyolite associated with pyroclastic rocks, sandstone, dolomite and evaporates (gypsum and halite). This complex displays features of shallow sedimentary and within plate environments. The presence of Archeocyatide fossil in the Limestone - dolomitic horizons and radiometric dating confirm Lower Cambrian age for this complex. The intrusive rocks mainly emplaced in the form of stock, dyke or sill intruded into the volcano sedimentary complex (Lower Cambrian) and Middle-Upper Cambrian and Ordovician deposits, therefore, these rocks are referred to LOWER PALEOZOIC. According to the geochemical data, gabbros and diorites are enriched in LREE and depleted in HREE and indicate alkaline within plate nature. The felsic rocks (leucogranites and rhyolites) indicate typical characteristics of crustal rocks. The leucogranites belong to I, H and A-Type granites. The magnetite, apatite, barite, lead and zinc mineralization in this area and adjacent regions (Bafq-Bahabad) are resulted from these magmatic evolutions.

Cites

ماگماتیسم بازیک قلیایی دونین در البرز شرقی، شمال شاهرود: شاهدی بر کافت زایی پالئوتتیس

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APA: Copy

BALAGHI, ZARI, SADEGHEIAN, MAHMOUD, & GHASEMI, HABIBOLLAH. (2011). PETROGENESIS OF THE LOWER PALEOZOIC IGNEOUS ROCKS, SOUTH OF BAHABAD (BAFQ, CENTRAL IRAN): IMPLICATION FOR RIFTING. PETROLOGY, 1(4), 45-63. SID. https://sid.ir/paper/197015/en

Vancouver: Copy

BALAGHI ZARI, SADEGHEIAN MAHMOUD, GHASEMI HABIBOLLAH. PETROGENESIS OF THE LOWER PALEOZOIC IGNEOUS ROCKS, SOUTH OF BAHABAD (BAFQ, CENTRAL IRAN): IMPLICATION FOR RIFTING. PETROLOGY[Internet]. 2011;1(4):45-63. Available from: https://sid.ir/paper/197015/en

IEEE: Copy

ZARI BALAGHI, MAHMOUD SADEGHEIAN, and HABIBOLLAH GHASEMI, “PETROGENESIS OF THE LOWER PALEOZOIC IGNEOUS ROCKS, SOUTH OF BAHABAD (BAFQ, CENTRAL IRAN): IMPLICATION FOR RIFTING,” PETROLOGY, vol. 1, no. 4, pp. 45–63, 2011, [Online]. Available: https://sid.ir/paper/197015/en

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