Relevant bibliographies by topics / Gold-telluride deposit

Academic literature on the topic 'Gold-telluride deposit'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Gold-telluride deposit"

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Bushuev, Yackov Yur’evich, and Vasilii Ivanovich Leontev. "The Geochemical Features of Epithermal Gold-Telluride (Au-Te) Ores of the Podgolechnoe Deposit (Central Aldan Ore District, Yakutia)." Key Engineering Materials 743 (July 2017): 422–25. http://dx.doi.org/10.4028/www.scientific.net/kem.743.422.

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The Central Aldan ore district is a geologically unique area, representing the conjunction zone of the ancient structures of the Archean–Proterozoic crystalline shield, overlain by the Vendian–Cambrian sedimentary cover. The latter was formed in the Mesozoic by intensive alkaline magmatism. Within the Central Aldan ore district, most of primary gold-ore deposits are confined to the sedimentary cover. Until recently it was considered that only ancient complexes in the crystalline basement contain commercial Au-U mineralization. As a result of the geological exploration works over the period of 2003–2006, the Podgolechnoe deposit was discovered. Gold mineralization in this deposit occurs both in rocks of sedimentary cover and crystalline basement. Ore bodies in rocks of the crystalline basement (A-type alkaline deposits) contain epithermal gold-telluride (Au-Te) mineralization, which is new for Central Aldan ore district. This work presents results of the study of geochemical composition of the Podgolechnoe deposit ores and their comparison with typical epithermal gold-ore deposits. In total, 15 samples were studied. The homogeneity of the sample collection, the correlation between Au and other elements, the enrichment coefficients of elements-admixtures, and the REE distribution were analyzed. It was established that gold ores of the Podgolechnoe deposit are geochemically heterogeneous, but, in general, they correspond to the geochemical spectrum characteristic of the gold ores of A-type epithermal deposits. In contrast to Au-U deposits, common in the studied area, ores of the Podgolechnoe deposit show no correlation between gold and uranium.
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Plotinskaya, O. Yu. "Mineralogy of precious metals in ores of the Yubileinoe porphyry gold deposit (Kazakhstan)." МИНЕРАЛОГИЯ (MINERALOGY), no. 3 (October 28, 2020): 44–53. http://dx.doi.org/10.35597/2313-545x-2020-6-3-4.

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Gold and silver mineralogy is studied in ores of the Yubileinoe porphyry gold deposit (Kazakhstan). Native gold is the major gold mineral. Its fneness varies from 970‰ in magnetite-hematite assemblage to 733–860‰ in pyrite-chalcopyrite assemblage. Silver occurs as admixture in native gold and, occasionally, as silver telluride. Native gold is associated with bi and Pb minerals: rucklidgeite, galenaclaustalite, and tetradymite-kawazulite. According to chlorite geothermometry, the Au, Ag and bi minerals precipitated at temperatures of 250-230 °С. These features are typical of the porphyry gold deposits worldwide. Figures 5. Tables 3. References 17.
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Leontev, Vasilii Ivanovich, and Yackov Yur’evich Bushuev. "Ore Mineralization in Adular-Fluorite Metasomatites: Evidence of the Podgolechnoe Alkalic-Type Epithermal Gold Deposit (Central Aldan Ore District, Russia)." Key Engineering Materials 743 (July 2017): 417–21. http://dx.doi.org/10.4028/www.scientific.net/kem.743.417.

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The Podgolechnoe deposit, which belongs to the alkalic-type (A-type) epithermal gold-ore deposits, lies in the Central Aldan ore district (Russia). Gold-ore mineralization is associated with a volcano-plutonic complex made of rocks of the monzonite-syenite formation (J3–K1). The ore bodies are localized in the crushing zones developed after crystalline schists, gneisses, and granites of the crystalline basement complexes (Ar–Pr). Metasomatic alterations in host rocks have potassic specialization. Vein ore minerals are adular, fluorite, roscoelite, sericite, and carbonate. Ore minerals are pyrite, galena, sphalerite, cinnabar, brannerite, monazite, bismuth telluride, stutzite, hessite, petzite, montbraite, and native gold. The deposit has been explored as a gold-ore deposit, however, due to complex composition of ores there is a need to reveal the possibilities of the integrated development of this deposit. This could provide for a reserve increment and an increase in the gross recoverable value of ores due to the extraction of associated components.
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Vikent’eva, Olga V., Vladimir V. Shilovskikh, Vasily D. Shcherbakov, Ilya V. Vikentyev, and Nikolay S. Bortnikov. "A Rare Au-Sb Telluride Pampaloite from the Svetlinsk Gold-Telluride Deposit, South Urals, Russia." Minerals 12, no. 10 (October 9, 2022): 1274. http://dx.doi.org/10.3390/min12101274.

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Pampaloite AuSbTe, a rare gold-antimony telluride that was first described in 2019 from the Pampalo gold mine, Finland, was found in samples from the large Svetlinsk gold-telluride deposit, South Urals, Russia. Optical microscopy, scanning electron microscopy, electron microprobe analysis, reflectance measurements, electron backscatter diffraction and Raman spectroscopy were used to study eight grains of pampaloite. Pampaloite forms inclusions (5–30 μm) in quartz together with other tellurides (typically petzite), native gold and, less often, sulfides. In reflected light, pampaloite is white or creamy white in color with weak anisotropism and without internal reflections. The empirical formula calculated on the basis of 3 apfu is Au0.97–1.07Ag0–0.02Sb0.96–1.04Te0.96–1.04 (n = 18). The holotype pampaloite structure was used as a reference and provided the perfect match for an experimental EBSD pattern (12 bands out of 12, mean angle deviation 0.19°). Raman spectra are reported for the first time for this mineral. All studied pampaloite grains exhibit vibrational modes in the range 60–180 cm−1. Average peak positions are 71, 108, 125, 147 and 159 cm−1. According to experimental data for the Au-Sb-Te system, we estimate the upper temperature range of pampaloite crystallization at the Svetlinsk deposit to be 350–430 °C.
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Bushuev, Yackov Yur’evich, Vasilii Ivanovich Leontev, and Maria M. Machevariani. "Geochemical Features of Au-Te Epithermal Ores of the Samolazovskoye Deposit (Central Aldan Ore District, Yakutia)." Key Engineering Materials 769 (April 2018): 207–12. http://dx.doi.org/10.4028/www.scientific.net/kem.769.207.

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The Samolazovskoye deposit (Central Aldan ore region, Russia) is confined to the porphyry syenite lopolith (J3-K1), localized between the granitic gneiss Archean basement and the series of the Vendian-Lower Cambrian carbonate cover rocks. Four hydrothermal-metasomatic parageneses have been identified within the deposit: skarn paragenesis, developed on the syenites and carbonate cover rocks contact; so called «gumbaite» paragenesis (kalifeldspar + fluorite + carbonate ± quartz), superimposed on the intrusive massif rocks; feldspatholitic paragenesis (quartz + feldspar), developed in the granitic gneisses of the crystalline basement; ore-bearing fluorite-roscoelite-carbonate-quartz paragenesis, superimposed on all of the above. The article compares ores evolved within gumbaitic syenites, basement feldspatholites and breccias, composed of all the above-mentioned rocks clasts. The geochemical study of given ores, resulted in two identified elements associations: gold-telluride (Au, Sb, As, V, Tl, Te, Hg, W) related to the fluorite-roscoelite-carbonate-quartz hydrothermal-metasomatic paragenesis and (uranium)-polymetallic (Bi, Cu, Pb, Zn, Mo, Se, Li, U), associated with the syenites gumbaitization (?). There is only gold-telluride association within the basement ore bodies, while the ore bodies localized in the syenites intrusion hold both associations, along with the Au and Ag contents being an order of magnitude higher. Breccia ores are characterized by the maximum concentrations of the ore elements. Gold-telluride association of the Samoazovsky deposit ores is specific to epithermal Au-Te mineralization associated with alkaline (A-type) magmatism.
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Vikent’eva, Olga, Vsevolod Prokofiev, Andrey Borovikov, Sergey Kryazhev, Elena Groznova, Mikhail Pritchin, Ilya Vikentyev, and Nikolay Bortnikov. "Contrasting Fluids in the Svetlinsk Gold-Telluride Hydrothermal System, South Urals." Minerals 10, no. 1 (December 30, 2019): 37. http://dx.doi.org/10.3390/min10010037.

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The large gold-telluride Svetlinsk deposit (~135 t Au) is considered to be a nontraditional one in the Urals and its origin is debated. A specific feature of the deposit is the abundance of various tellurides, such as tellurides of Fe, Ni, Pb, Sb, Bi, Ag, and Au. The new data of microthermometry, Raman spectroscopy, LA-ICP-MS, and crush-leach analysis (gas and ion chromatography, ICP-MS) for fluid inclusions as well as O-isotope data for quartz were obtained for the construction of PTX parameters of ore-formation and fluid sources in the deposit. Mineralisation was formed at a wide range of temperature and pressure (200–400 °C, 1–4 kbar) and from contrasting fluids with multiple sources. At the early stages, the magmatic fluid evolved during its ascent and phase separation and the fluid derived from the host rock decarbonation and dehydration were involved in the hydrothermal system. In addition, mantle-derived fluid might be involved in the ore-forming process during gold-telluride precipitation as well as heated meteoric waters during the late stages. Early fluids were rich in H2S, S0, and CH4, while the Au-Te mineralisation was formed from N2-rich fluid.
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Bindi, Luca, and Curzio Cipriani. "Museumite, Pb5AuSbTe2S12, a new mineral from the gold-telluride deposit of Sacarimb, Metaliferi Mountains, western Romania." European Journal of Mineralogy 16, no. 5 (October 18, 2004): 834–37. http://dx.doi.org/10.1127/0935-1221/2004/0016-0835.

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Paduchina, Yu A., N. S. Chukhareva, K. A. Novoselov, E. E. Palenova, E. V. Belogub, I. A. Blinov, D. A. Artemyev, and M. A. Rassomakhin. "Precious metal mineralogy of the Murtykty gold deposit, South Urals." МИНЕРАЛОГИЯ (MINERALOGY) 5 (July 16, 2019): 57–68. http://dx.doi.org/10.35597/2313-545x-2019-5-2-57-68.

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Ore mineralogy of the Murtykty gold deposit is presented in the paper and main attention is paid to the mode of occurrence of precious metals. Ores are pyrite-bearing quartz-chlorite (±sericite, ±carbonate of the dolomite-ankerite series) metasomatites with variable ratios between rock-forming minerals. Pyrite is the major sulfde; sphalerite, galena and chalcopyrite are secondary in abundance. Rare minerals include pyrrhotite, arsenopyrite, altaite, coloradoite, hessite, petzite, calaverite, volynskite, rucklidgeite, and native gold. The Ag content of native gold ranges from 6.11 to 35.32 wt. %. Signifcant amount of Au and Ag occurs in a telluride form: hessite Ag2Te, petzite Ag3AuTe2, calaverite AuTe2, and volynskite AgBiTe2. The refractory features of sulfde ores are caused by diverse modes of occurrences of precious metal.
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Izvekova, A. D., B. B. Damdinov, L. B. Damdinova, and M. L. Moskvitina. "Gold–Telluride Mineralization in Ore of the Pionerskoe Gold–Quartz Deposit (Eastern Sayan, Russia)." Geology of Ore Deposits 63, no. 6 (November 2021): 579–98. http://dx.doi.org/10.1134/s1075701521060027.

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Ahmad, M., M. Solomon, and J. L. Walshe. "Mineralogical and geochemical studies of the Emperor gold telluride deposit, Fiji." Economic Geology 82, no. 2 (April 1, 1987): 345–70. http://dx.doi.org/10.2113/gsecongeo.82.2.345.

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Dissertations / Theses on the topic "Gold-telluride deposit"

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Westberg, Fredrik. "Textural characterization of gold in the Björkdal gold deposit, northern Sweden." Thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82496.

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The Björkdal gold deposit is located in the eastern part of the Skellefte district, northern Sweden. Twenty thin sections from four production areas in the open pit and four drifts from the underground mine were analysed for mineral association and grain size distribution of gold. In addition, the texture of gold was investigated in order to find out how that affects the recovery of gold. The overall gold grain size distribution shows an interval from very fine-grained (2 μm) to coarse grained(856 μm) while the overall median size is 7 μm. Gold from the Quartz Mountain production area displays the smallest median size of 4 μm, whereas gold from the sampled drifts at 340m- and 385m- level has the largest median size of 14 μm. Gold at grain boundary is the dominant textural mode of gold from all sampled locations and varies from 62% to 92%. This is followed by intergrown which ranges between 8% and 29%. Of the sulfides, pyrite, chalcopyrite and pyrrhotite are the most common. Galena and was also present in the samples. Gold is significantly and positively correlated with tellurium (Appendix 10.1.1), and weakly positive correlated to silver and mercury. Gold show a close association to bismuth-tellurides in the samples. Apart from native gold, which is the dominant mineral phase of gold, two additional gold-bearing tellurium minerals were detected with SEM-EDS, a Au-Te-mineral and a Ag-Au-Te-mineral. One additional bismuth-telluride mineral aside from the most commonly occurring tsumoite (BiTe) was also detected with SEM, with a elemental composition of Bi-Te-S. Liberated gold in the tailings was optically identified in two thick sections, TB1-02feb-1 and TB1-07feb-1 (Fig. 32A and B), where the flotation circuit failed to float the free gold. One grain of gold was also identified intergrown with bismuth-telluride as an inclusion in silicate (Fig. 33), where the flotation properties of the larger silicate grain likely dominated in the flotation process. This thesis highlights the importance of further quantitative analysis utilizing SEM/QEMSCAN/MLA to retrieve representative mineralogical data to benefit the mineral processing of the ore from the active mine. Keywords: Björkdal gold deposit, gold, gold-telluride, SEM, mineral association, grain size,geometallurgy.
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Book chapters on the topic "Gold-telluride deposit"

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Cook, Nigel J., and Cristiana L. Ciobanu. "Gold, sulphosalt and telluride mineralogy of the Lega Dembi shear-zone hosted gold deposit, Ethiopia." In Mineral Deposits at the Beginning of the 21st Century, 719–22. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003077503-183.

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Hu, Huabin, Jingwen Mao, Shuyin Niu, Fengmei Chai, Yongfeng Li, and Mengwen Li. "Ore-forming fluids in gold-telluride deposits in the Pingyi area, western Shandong, China." In Mineral Deposit Research: Meeting the Global Challenge, 1399–402. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_356.

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Umarov, Akromiddin Z. "Gold — telluride ore mineralisation in the Chatkal-Kurama region: The case of the Samarchuk deposit." In Mineral Deposit Research: Meeting the Global Challenge, 1431–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_364.

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Aripov, Umid K. "Zonation of Au, Ag, Se and Te in orebodies from the Kochbulak gold-telluride deposit (Uzbekistan)." In Mineral Deposit Research: Meeting the Global Challenge, 1379–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_351.

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Mikulski, S. Z. "The telluride mineralization event(s) within the late-variscan gold deposits in the western Sudetes (NE part of the Bohemian massif, SW Poland)." In Mineral Deposit Research: Meeting the Global Challenge, 1415–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_360.

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McDivitt, Jordan A., Steffen G. Hagemann, Matthew S. Baggott, and Stuart Perazzo. "Chapter 12: Geologic Setting and Gold Mineralization of the Kalgoorlie Gold Camp, Yilgarn Craton, Western Australia." In Geology of the World’s Major Gold Deposits and Provinces, 251–74. Society of Economic Geologists, 2020. http://dx.doi.org/10.5382/sp.23.12.

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Abstract The Kalgoorlie gold camp in the Yilgarn craton of Western Australia comprises the supergiant Golden Mile and the smaller Mt. Charlotte, Mt. Percy, and Hidden Secret deposits. Since the camp’s discovery in 1893, ~1,950 metric tons (t) of Au have been produced from a total estimated endowment of ~2,300 t. The camp is located within Neoarchean rocks of the Kalgoorlie terrane, within the Eastern Goldfields superterrane of the eastern Yilgarn craton. Gold mineralization is distributed along an 8- × 2-km, NNW-trending corridor, which corresponds to the Boulder Lefroy-Golden Mile fault system. The host stratigraphic sequence, dated at ca. 2710 to 2660 Ma, comprises lower ultramafic and mafic lava flow rocks, and upper felsic to intermediate volcaniclastic, epiclastic, and lava flow rocks intruded by highly differentiated dolerite sills such as the ca. 2685 Ma Golden Mile Dolerite. Multiple sets of NNW-trending, steeply dipping porphyry dikes intruded this sequence from ca. 2675 to 2640 Ma. From ca. 2685 to 2640 Ma, rocks of the Kalgoorlie gold camp were subjected to multiple deformation increments and metamorphism. Early D1 deformation from ca. 2685 to 2675 Ma generated the Golden Mile fault and F1 folds. Prolonged sinistral transpression from ca. 2675 to 2655 Ma produced overprinting, NNW-trending sets of D2-D3 folds and faults. The last deformation stage (D4; < ca. 2650 Ma) is recorded by N- to NNE-trending, dextral faults which offset earlier structures. The main mineralization type in the Golden Mile comprises Fimiston lodes: steeply dipping, WNW- to NNW-striking, gold- and telluride-bearing carbonate-quartz veins with banded, colloform, and crustiform textures surrounded by sericite-carbonate-quartz-pyrite-telluride alteration zones. These lodes were emplaced during the earlier stages of regional sinistral transpression (D2) as Riedel shear-type structures. During a later stage of regional sinistral transpression (D3), exceptionally high grade Oroya-type mineralization developed as shallowly plunging ore shoots with “Green Leader” quartz-sericite-carbonate-pyrite-telluride alteration typified by vanadium-bearing muscovite. In the Hidden Secret orebody, ~3 km north-northwest of the Golden Mile, lode mineralization is a silver-rich variety characterized by increased abundance of hessite and petzite and decreased abundance of calaverite. At the adjacent Mt. Charlotte deposit, the gold-, silver-, and telluride-bearing lodes become subordinate to the Mt. Charlotte-type stockwork veins. The stockwork veins occur as planar, 2- to 50-cm thick, auriferous quartz-carbonate-sulfide veins that define steeply NW- to SE-dipping and shallowly N-dipping sets broadly coeval with D4 deformation. Despite extensive research, there is no consensus on critical features of ore formation in the camp. Models suggest either (1) distinct periods of mineralization over a protracted, ca. 2.68 to 2.64 Ga orogenic history; or (2) broadly synchronous formation of the different types of mineralization at ca. 2.64 Ga. The nature of fluids, metal sources, and mineralizing processes remain debated, with both metamorphic and magmatic models proposed. There is strong evidence for multiple gold mineralization events over the course of the ca. 2.68 to 2.64 orogenic window, differing in genesis and contributions from either magmatic or metamorphic ore-forming processes. However, reconciling these models with field relationships and available geochemical and geochronological constraints remains difficult and is the subject of ongoing research.
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Conference papers on the topic "Gold-telluride deposit"

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Jin, Weikan, and Shouyu Chen. "Gold Source and Occurrence in Pyrite and Telluride Mineralogy of the Laowan Au-Ag-Te Deposit, Qinling-Dabie Orogenic Belt, Central China: A New Evidence for a Magmatic Source of Hydrothermal Fluids, and Implications for Ore Genesis and Physicochemical Conditions." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1210.

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Kokkuzova, Manshuk. "GOLD-TELLURIDE ASSOCIATION IN THE ORES OF GOLD-POLYMETALLIC DEPOSITS OF RUDNY ALTAI AND CENTRAL KAZAKHSTAN." In 16th International Multidisciplinary Scientific GeoConference SGEM2016. Stef92 Technology, 2016. http://dx.doi.org/10.5593/sgem2016/b12/s04.139.

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