Geology, mineralogy and fluid inclusion data of the Kizilcaören fluorite–barite–REE deposit, Eskisehir, Turkey

Gültekin, Ali Haydar; Örgün, Yüksel; Suner, Fikret

doi:10.1016/s1367-9120(02)00019-6

Cited by 47 publications

(25 citation statements)

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“…wt %) and temperatures (113-222 • C) record the late-stage hydrothermal fluids responsible for barite mineralization. This fluid type is typical for many epithermal Ba deposits in western Anatolia [1,35]. Some of Type II inclusions in barite crystals were probably trapped close to boiling conditions, due to the absence of vapor-phase-bearing inclusions which point out a deficiency.…”

Section: Characterization Of Hydrothermal Fluidsmentioning

confidence: 85%

“…In order to easily understand the characteristics of hydrothermal fluids at Tumanpınarı, the results have been compared with a few selected epigenetic deposits containing fluorite, barite and some metallic minerals [21,[30][31][32][33][34][35][36]. Homogenization temperatures versus salinity for primary fluid inclusions in quartz and barite are plotted in Figure 9.…”

Section: Characterization Of Hydrothermal Fluidsmentioning

confidence: 99%

“…A similar approach was successfully applied to the Arapuçan and Kızılcaören epithermal deposits, and the results indicated great compatibility with the stratigraphic section [1,35]. In epithermal systems, hydrothermal activity is usually characterized by hydrostatic pressure.…”

Section: Temperature-depth Relationshipmentioning

confidence: 99%

“…The early studies conducted in the region revealed a marked relationship between Tertiary volcanism and Pb-Zn and, Mn-Fe-Ba ores [9,10,35]. The deposits mostly contain mineralization of vein type in the fault zone, and less metasomatic type in the tuffs.…”

Section: Ore Genesis Modelmentioning

confidence: 99%

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Mineralogy, Geochemistry and Fluid Inclusion Data from the Tumanpınarı Volcanic Rock-Hosted Fe-Mn-Ba Deposit, Balıkesir-Dursunbey, Turkey

Gültekin

Balcı

2016

Minerals

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Abstract:The Tumanpınarı mineralization is a volcanic rock-hosted epithermal Fe-Mn-Ba deposit located in the southwestern part of Dursunbey, Balıkesir, Turkey. The deposit constitutes one of the most important deposits of the Havran-Dursunbey metallogenic sub-province in which numerous Early Miocene Fe-Mn-Ba deposits are distributed. The ore occurs as open-space fillings in faults, fractures, and breccias in the andesite. Early hydrothermal activity was responsible for four types of hypogene alteration in decreasing intensity: silicification, sericitization, hematization and argillic alteration. The mineral assemblage includes pyrolusite, psilomelane, hematite, and barite as well as minor magnetite, manganite, poliannite, limonite, braunite, bixbyite, galena, pyrite, and goethite. Mineralogically, three ore types are recognized as pyrolusite + psilomelane + hematite + barite ore, pyrolusite + psilomelane + poliannite ore and barite + pyrolusite + psilomelane + hematite ore (barite-dominant ore). In addition to Fe, Mn and Ba, the ore contains substantial quantities of Pb, Zn, As. Chemically, the transition from fresh to altered rocks has little effect on the elemental levels for Si, Al, Fe, Ca, Mg, K, Rb, Sr and H 2 O. The homogenization temperature of fluid inclusions hosted in the main stage quartz and barite ranged from 113 to 410 • C with salinities ranging from 0.4 to 14.9 eq. wt % NaCl, respectively. Overall, the available data suggest that the deposits formed as the result of the interaction of two aqueous fluids: a higher-salinity fluid (probably magmatic) and a dilute meteoric fluid.

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Section: Characterization Of Hydrothermal Fluidsmentioning

confidence: 85%

Section: Characterization Of Hydrothermal Fluidsmentioning

confidence: 99%

Section: Temperature-depth Relationshipmentioning

confidence: 99%

Section: Ore Genesis Modelmentioning

confidence: 99%

See 2 more Smart Citations

Mineralogy, Geochemistry and Fluid Inclusion Data from the Tumanpınarı Volcanic Rock-Hosted Fe-Mn-Ba Deposit, Balıkesir-Dursunbey, Turkey

Gültekin

Balcı

2016

Minerals

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“…The principal Th-bearing minerals in vein deposits are thorite, thorogummite, and monazite, which are associated with some REE-minerals (allanite, bastnaesite, and xenotime). Examples of these ore deposits include the Lemhi Pass in the USA, Steenkampskraal and Vanrhynsdorp in South Africa, Eskisehir deposit in Turkey, and Nolans Bore in Australia [16,19].…”

Section: Descriptive Inorganic Chemistry Researches Of Metal Compoundsmentioning

confidence: 99%

Nature, Sources, Resources, and Production of Thorium

René¹

2017

Descriptive Inorganic Chemistry Researches of Metal Compounds

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Thorium is a naturally occurring, slightly radioactive element. It is widely distributed in nature with an average concentration of 10.5 ppm Th in the upper earth's crust. In general, thorium occurs in relatively small number in Th-enriched minerals: thorite, thorianite, monazite, bastnaesite, and thorogummite. However, the main world resources of thorium are coupled with monazite and bastnaesite. Monazite-enriched placer deposits occurring mainly in India, Brazil, Australia, and the USA form the recently available resources of thorium. Other commercially interested concentrations of thorium are coupled with bastnaesite mined from carbonatite deposits, especially from Bayan Obo deposit in China. Currently, the worldwide thorium resources by major deposit types are estimated to total about 6.2 million tons of Th. Issues associated with thorium's natural radioactivity are a signiicant deterrent to its commercial use. The monazite concentrates are recently produced only in India, Brazil, Malaysia, Thailand, and Vietnam, with a total amount of about 7000 tons. Consequently, experimental nuclear reactors based on thorium fuel cycle are operated recently only in India. In the long term, consumption of thorium could increase substantially if its use as a nuclear fuel becomes commercialized.

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The REE s in Hydrothermal Systems

Migdisov¹,

Williams‐Jones²,

Brugger³

2019

Encyclopedia of Water

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Extensive use of the rare earth elements (REEs, mostly represented by the lanthanide group from La to Lu) in renewable energy applications and defense‐related technologies triggered high and growing interest to the processes responsible for migration, separation, and concentration of these elements in natural processes. Understanding these processes and the behavior of REEs in them is essential for exploration of new resources of these elements and efficient use of REEs in industrial applications. There is now an almost universal agreement that hot aqueous fluids play a significant and, in some cases, a dominant role in concentration and separation of REEs in nature. This article reviews high‐temperature experimental data collected over the past 15 years on the stability of the REE aqueous species and minerals and discusses the mechanisms responsible for hydrothermal transport and deposition of the REEs.

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Geology, mineralogy and fluid inclusion data of the Kizilcaören fluorite–barite–REE deposit, Eskisehir, Turkey

Cited by 47 publications

References 14 publications

Mineralogy, Geochemistry and Fluid Inclusion Data from the Tumanpınarı Volcanic Rock-Hosted Fe-Mn-Ba Deposit, Balıkesir-Dursunbey, Turkey

Mineralogy, Geochemistry and Fluid Inclusion Data from the Tumanpınarı Volcanic Rock-Hosted Fe-Mn-Ba Deposit, Balıkesir-Dursunbey, Turkey

Nature, Sources, Resources, and Production of Thorium

The REE s in Hydrothermal Systems

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