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The Qarkhotlou bauxite deposit occurs as a semi-continuous horizon situated along the parallel unconformity surfaces between Ruteh and Shemshak Formations. Based on color, facies and textural features, three distinct bauxitic facies are distinguished in the Qarkhotlou deposit, which is, from bottom to top include: (1) lower red-brown pisolitic bauxite, (2) …
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In other magmatic iron ore deposits, these values are usually higher than those of the Morvarid–Aliabad magnetite–apatite deposits. Conversely, concentrations of MgO, MnO, SiO 2, Al 2 O 3, and alkali elements such as K 2 O and Na 2 O are medium to high in the Morvarid–Aliabad magnetite–apatite deposits.
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The exposed rocks at the Aliabad iron deposit (Fig.2a) are mainly quartz monzonite, which have been extensively altered along fractures, faults, and around the mineraliza-tion. The deposit comprises (1) a main ore body, (2) stockwork and banded magnetite–apatite ores, and (3) dis-seminated ores. The main type of ore body is approximately 15 ...
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The Somea iron deposit is located ~ 22 km northwest of Ahar, NW Iran. The lenticular iron ores are formed as open space fillings within the pinch and swell structures of a curved fault in a highly … Expand
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Minerals 2022, 12, 1043 4 of 15 Figure 3. Photographs of Fe ore textures in the Luohe deposit. (A) Breccia apatite–magnetite–actinolite ore, with coarse-grained purple gypsum and sporadic ...
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select article Mesozoic multiphase magmatism at the Xinan Cu–Mo ore deposit (Zijinshan Orefield): Geodynamic setting and metallogenic implications ... Constraints on the mineralization processes of the Makeng iron deposit, eastern China: Fluid inclusion, H–O isotope and magnetite trace element analysis. Yu-Long Yang, Pei …
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Composition: Iron ore is primarily composed of iron, usually in the form of iron oxides such as hematite (Fe2O3), magnetite (Fe3O4), or goethite (FeO(OH)). It may also contain other elements or minerals as impurities, such as silica, alumina, phosphorus, sulfur, and trace elements.; Physical properties: Iron ore is usually hard, dense, and …
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Kiruna-type iron oxide deposits of the Zanjan area, and Fe skarn and iron oxide–copper–gold deposits in the Khaf–Bardaskan–Kashmar district are associated …
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More than 200 iron deposits with about 4 billion tons of iron ore have been discovered in Iran. Major iron oxide districts comprise the Bafq-Posht-e-Badam back arc district in …
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Iran iron ore deposits. [6] ... Sahand Continuous Casting 300,000 Zanjan Kani Kavan Samangan 200,000 Mines from different provinces Table 1. Active beneficiation plants in Iran. [7]
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Fluid inclusions in calcite and diopside from the Xishimen skarn iron deposit in China were studied. The deposit ores were formed from chloride solutions with salinity ranging from 8.4 to 59.6 wt % NaCl equiv within the temperature range of 210 to 590°C. The model of skarn ore formation involving high-temperature magmatic fluids is …
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The iron oxide–apatite deposits in the Tarom area of the Zanjan district are typical of a magmatic–hydrothermal origin and are similar to the Kiruna-type deposits with respect …
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Table 2 Mineralogy of the iron ore deposits in southeast Zanjan Sample no. Depth (m) Major minerals Minor minerals Tra ce minerals AS1 0.00–0.50 Magnetite, hematite, qu artz, calcite ...
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The iron oxide–apatite deposits in the Tarom area of the Zanjan district are typical of a magmatic–hydrothermal origin and are similar to the Kiruna-type deposits with respect to …
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The Zanjan iron skarn deposits are located in the northwest Central Iranian terrane. The deposits ... deposits are consistent with ore mineralization formed by the interaction of magmatic fluids with
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Like most of the Manto-type deposits worldwide, the ore bodies of the Hongguleleng deposit were restricted to volcanic strata and are mostly structurally controlled. ... Geology, mineralization and sulfur isotopes geochemistry of the Mari Cu (Ag) Manto-type deposit, northern Zanjan, Iran. Ore Geol. Rev. ... The Mantoverde iron …
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The THMP is known as an economically important metallogenic province in Iran [2,14,15] and includes a variety of mineral deposits such as Mn deposits, iron-skarns, manto-type Cu-Ag deposits, and ...
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This study investigates the Golestanabad mine, a prominent iron oxide-apatite deposit located 10 kilometers east of Zanjan within the Tarom volcanic-intrusive subzone.
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Kiruna-type iron oxide deposits of the Zanjan area, and Fe skarn and iron oxide–copper–gold deposits in the Khaf–Bardaskan–Kashmar district are associated with subduction of Neotethys ...
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Iron oxide–apatite deposits are present in Upper Eocene pyroxene-quartz monzonitic rocks of the Zanjan district, northwestern Iran.Mineralization occurred in five stages: (1) …
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The east-west trending Sangan mining district consists of fourteen iron deposits, spatially associated with the Eocene Sarnowsar composite intrusion (syenite to syenogranite and …
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The major Gushan iron oxide deposit, typical of the Middle‐Lower Yangtze River Valley, is located in the eastern Yangtze craton. Such deposits are generally considered to be genetically related ...
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The economically significant Baba Ali iron ore deposit, is located in the Sanandaj-Sirjan zone, western Iran, is associated with diorite. The mineralization trends in a ENE-WSW direction with ...
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The Zanjan iron skarn deposits are magnesian (Arjin and Inche-Rahbari) and calcic (Khakriz) with endoskarn and exoskarn facies. In these skarn facies forsterite, garnet …
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PDF | On Nov 5, 2014, Ghasem Nabatian and others published Mineralogy and geochemistry of rare earth elements in iron oxide – apatite deposits of the Zanjan region | Find, read and cite all the ...
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Iron oxide–apatite deposits are present in Upper Eocene pyroxene-quartz monzonitic rocks of the Zanjan district, northwestern Iran. Mineralization occurred in five stages: (1) deposition of disseminated magnetite and apatite in the host rock; (2) mineralization of massive and banded magnetite ores in veins and stockwork associated with minor …
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The main districts with iron deposits in Iran include the Bafq-Posht-e-Badam in Central Iran, the Hormoz and Ak Kahoor in the Zagros orogenic belt, the Gol-e-Gohar, and Hameh Kasi deposits in the Sanandaj-Sirjan zone, Zanjan-Soltaniyeh belt and Niyasar in the Urumieh-Dokhtar Magmatic Arc (UDMA), and the Sangan iron deposit in eastern …
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The Zanjan iron skarn deposits are located in the northwest Central Iranian terrane, along the Soltaniyeh mountains. The deposits are hosted by late Proterozoic to late Cambrian carbonate rocks (Soltaniyeh, and Mila Formations) and by Permian (Ruteh Formations), intruded by the Arjin granite, the Khakriz granodiorite and the Inche-Rahbari …
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There are approximately 200 iron ore deposits with a total of ~ 4 billion metric tonnes (Mt) ore reserve in Iran ... the Gol-e-Gohar, and Hameh Kasi deposits in the Sanandaj-Sirjan zone, Zanjan-Soltaniyeh belt and Niyasar in the Urumieh-Dokhtar Magmatic Arc (UDMA), and the Sangan iron deposit in eastern Iran zone (Nabatian et …
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As mentioned, the study deposit is located in the Tarom-Hashtjin metallogenic belt (THMB). THMB is placed in the western part of Alborz-Azerbaijan magmatic belt (AAMB) in the northwest of Iran, which belongs to Tethyan belt (Fig. 1A).Tectonic evolution of THMB is related to the Cenozoic closure and subduction of the …
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Fluid inclusion and stable isotope study of the Lubin-Zardeh epithermal Cu-Au deposit in Zanjan Province, NW Iran: Implications for ore genesis ... fractures and faults. These alterations were associated with iron oxides-hydroxides and goethite, copper carbonates, such as, malachite and azurite. ... This δ 18 O isotopic composition is similar ...
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Iron oxide–apatite deposits are present in Upper Eocene pyroxene-quartz monzonitic rocks of the Zanjan district, northwestern Iran.Mineralization occurred in five stages: (1) deposition of ...
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