Volume 9, Issue 2 (Autumn & Winter 2024)
KJES 2024, 9(2): 197-224 |
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arabzadeh bani asadi M, ghasemi H, Angiboust S, Rezaei Kahkhaei M, Lambrini P. Chemical composition of biotite in the Gowd-e-Howz (Siah-Kuh) granitoid stock, Baft, Kerman: Evidence for tectonic setting and physicochemical conditions of magma emplacement and crystallization. KJES 2024; 9 (2) :197-224
URL: http://gnf.khu.ac.ir/article-1-2890-en.html
URL: http://gnf.khu.ac.ir/article-1-2890-en.html
Mahbubeh Arabzadeh bani asadi1 
, Habibollah Ghasemi * 2, Samuel Angiboust3 , Mehdi Rezaei Kahkhaei1 , Papadopoulou Lambrini4
, Habibollah Ghasemi * 2, Samuel Angiboust3 , Mehdi Rezaei Kahkhaei1 , Papadopoulou Lambrini4
1- Shahrood University of Technology
2- Shahrood University of Technology ,h-ghasemi@shahroodut.ac.ir
3- Earth Sciences Department, Ecole Normale Supérieure de Lyon, France
4- School of Geology, Aristotle University, Greece
2- Shahrood University of Technology ,
3- Earth Sciences Department, Ecole Normale Supérieure de Lyon, France
4- School of Geology, Aristotle University, Greece
Abstract: (1091 Views)
The Early Jurassic (≈180 Ma) Gowd-e-Howz (Siah-Kuh) granitoid stock is located in the southern part of the Sanandaj-Sirjan metamorphic belt, southeast of Iran in Kerman Province. This granitoid stock is intruded into the Upper Paleozoic metamorphic and Triassic igneous-sedimentary rocks and covered by Jurassic rock units and Lower Cretaceous limestones. The main part of the stock is granodiorite with medium- to coarse-grained anhedral granular texture and mineral assemblage of amphibole, biotite, plagioclase, alkali feldspar, and quartz. Biotite, as one of the main ferromagnesian minerals of this body, has a primary igneous origin and iron rich composition. The different magmatic series and tectonic discrimination diagrams indicate that the magma was of subduction zone-related I-type calc-alkaline series, crystallized under medium to high oxygen fugacity, and equilibrated at temperatures and pressures of 589 to 875 °C and 0.45 to 2.27 kbar, respectively, during magma emplacement in the crust.
Type of Study: Original Research |
Subject:
Petrology
Received: 2024/02/17 | Accepted: 2024/02/23 | Published: 2024/02/29
Received: 2024/02/17 | Accepted: 2024/02/23 | Published: 2024/02/29
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