Mineralogy, geochemistry, and genesis of Mn mineralization associated with the Noorabad Delfan radiolarites, Northwestern Lorestan

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MAHMOUDI SHAHRYAR; Geravandi Pourya; Ghasemi Siani Majid; Gholizadeh Kazem

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Journal: JOURNAL OF ECONOMIC GEOLOGY Year:2020 | Volume:11 | Issue:4 (23) Page(s): 53-54

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Title

Mineralogy, geochemistry, and genesis of Mn mineralization associated with the Noorabad Delfan radiolarites, Northwestern Lorestan

Author(s)

MAHMOUDI SHAHRYAR | Geravandi Pourya | Ghasemi Siani Majid | Gholizadeh Kazem | Issue Writer Certificate

Keywords

Noorabad Delfan depositQ1

ManganeseQ2

MineralogyQ2

GeochemistryQ2

StockworkQ1

HydrothermalhydrogenousQ1

SyngeneticQ1

EpigeneticQ2

Abstract

Introduction: The Borujerd-Kermanshah ophiolite is a part of the ophiolite complex belonging to the Zagros Mountains and is a part of the Alpes-Himalayan belt (Alavi, 1994). The Boroujerd-Kermanshah Ophiolite complex consists of serpentinized peridotite, layered metagabbro, isotropic gabbro, diabase dyke, plagiogranite, pillow lavas and sedimentary rocks (Miocene radiolarite and limestone). In the upper part, the radiolarite layers are covered by jasperoid rocks and pelagic limestone (Mohajjel et al., 2003; Saccani et al., 2013). The Noorabad Delfan Manganese deposit is subjected to mineralogical and geochemical studies in order to elucidate its petrogenesis. The Noorabad Delfan Manganese deposit is located along the ophiolite belt of the upper Jurassiclower Cretaceous period. Manganese mineralization occurs as Syngenetic to Epigenetic with jasperoid and silicified veins in the carbonate and radiolarian chert units. Geochemical studies show that some elements such as Ce, Cu, Ni are enriched in the mineralized zone. Mobile and trace elements (Sr, As, Zn, Ba, Fe, Mn, Si) and the ratio of Mn/Fe, Al/Ti, show similar characteristics with submarine hydrothermal-hydrogenous Manganese deposits. In geochemical studies, SEM, XRD and EPMA results show that pyrolusite is the majar mineral in the ore deposit, and nsutite and rhodochrosite are formed as the accessory phase...

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APA: Copy

MAHMOUDI, SHAHRYAR, Geravandi, Pourya, Ghasemi Siani, Majid, & Gholizadeh, Kazem. (2020). Mineralogy, geochemistry, and genesis of Mn mineralization associated with the Noorabad Delfan radiolarites, Northwestern Lorestan. JOURNAL OF ECONOMIC GEOLOGY, 11(4 (23) ), 53-54. SID. https://sid.ir/paper/396371/en

Vancouver: Copy

MAHMOUDI SHAHRYAR, Geravandi Pourya, Ghasemi Siani Majid, Gholizadeh Kazem. Mineralogy, geochemistry, and genesis of Mn mineralization associated with the Noorabad Delfan radiolarites, Northwestern Lorestan. JOURNAL OF ECONOMIC GEOLOGY[Internet]. 2020;11(4 (23) ):53-54. Available from: https://sid.ir/paper/396371/en

IEEE: Copy

SHAHRYAR MAHMOUDI, Pourya Geravandi, Majid Ghasemi Siani, and Kazem Gholizadeh, “Mineralogy, geochemistry, and genesis of Mn mineralization associated with the Noorabad Delfan radiolarites, Northwestern Lorestan,” JOURNAL OF ECONOMIC GEOLOGY, vol. 11, no. 4 (23) , pp. 53–54, 2020, [Online]. Available: https://sid.ir/paper/396371/en

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