Introduction of accessory minerals in Bon-do-no granite, East of Bavanat (Fars province)
Publish place: Journal of Geotechnical Geology، Vol: 5، Issue: 1
Publish Year: 1388
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JGEO-5-1_005
تاریخ نمایه سازی: 30 آبان 1400
Abstract:
Bon-do-no granite located at ۲۳۰ km Eastern north of Shiraz in the Center of Kuh-Sefid, anticline. Tutak metamorphic complex, is a part of Sanandaj-Sirjan matamorphic zone. Field studies shows that: ۱- This metamorphic complex parent rock , have between lower to upper Paleozoic age and the metamorphism casualty accured before upper Jurassic and included by paragenesis of Micaschist, Amphibolite, Marble and Greenschist. ۲-After this accurance Tutak complex intruded by granite intrusive and the contact metamorphic accured in a margin Rock of this intrusive mass. Field studies and labratuary research shows that this granitic intrusive mass have a various accessory minerals like Garnet, Tourmaline, Amphibole, Sphen, Zircon, Rutile, Allanite and Apatite. XRD Analysis test at a Garnet,Tourmaline and Amphibole , shows that type of Garnet is Spessartine (Mn۳Al۲Si۳O۱۲), Tourmaline is Schorl [ Na(Fe,Mn)۳Al۶B۳Si۶O۲۷(OH,F)۴] and Amphibole is Actinolite [Ca۲(Mg,Fe)۵Si۸O۲۲(OH)۲] and Richterite [Na۲Ca(Mg,Fe,Mn,Al)Si۸O۲۲(OH,F)۴].
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Authors
Meysam Ghadami Meymandi
Department of Geology, Islamic Azad University - Shiraz Branch, Shiraz, Iran
Kamal Noori Khankahdani
Department of Geology, Islamic Azad University - Shiraz Branch, Shiraz, Iran
Mehrdad Karimi
Department of Geology, Islamic Azad University - Shiraz Branch, Shiraz, Iran