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Mineral assemblages of the porphyry tin-polymetallic ores of Mount Krasnaya paleovolcano of the Krasnogorsky deposit in the Dal'negorsk ore district.

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Title: Mineral assemblages of the porphyry tin-polymetallic ores of Mount Krasnaya paleovolcano of the Krasnogorsky deposit in the Dal'negorsk ore district.
Authors: Simanenko, L.1, Ratkin, V.1, Turchin, V.1
Source: Russian Journal of Pacific Geology. Mar2015, Vol. 9 Issue 2, p120-135. 16p.
Subject Terms: *Mineralogical research, *Ore deposits, *Mineralization, *Porphyry, *Sphalerite, *Stannite, *Cassiterite, Sikhote-Alin Range (Russia)
Abstract: This paper presents the results of the detailed mineralogical study of the pocket-disseminated tinzinc (cassiterite-sulfide) and vein-metasomatic tin-silver-polymetallic ores localized in the vent of the Mount Krasnaya paleovolcano (Krasnogorsky polymetallic deposit). The tin-zinc ores of the early Late Maastrichtian stage of the ore formation are associated with pipelike bodies of explosion breccias, were formed at a temperature of around 300°C, and include three mineral assemblages: the (1) pyrite, (2) productive quartz-cassiterite-sphalerite, and (3) late sulfosalt-galena-chalcopyrite ones. The vein-metasomatic tin-silver-polymetallic ores of the late Paleocene stage are associated with rhyolite bodies, controlled by the NW-oriented faults, and cut mineralized breccia. These ores were formed during a full two-stage hydrothermal cycle within the temperature interval from 500 to 1000°C and include five consecutive ore mineral assemblages: (1) wolframite-arsenopyrite, (2) cassiterite-sphalerite-pyrite-chalcopyrite, (3) stannite-Ag-bearing sulfosalt, (4) freibergite-galena, and (5) native silver-stephanite-acanthite. The tin-silver-polymetallic ores are assumed to have formed simultaneously with the extended silver-bearing galena-sphalerite veins cutting the Primorskaya Group volcanic rocks around the paleovolcano. In the extended vein zones, the tinsilver-polymetallic ores correspond to the uppermost (closest to the paleosurface) part of the vertical zoning. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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  Label: Title
  Group: Ti
  Data: Mineral assemblages of the porphyry tin-polymetallic ores of Mount Krasnaya paleovolcano of the Krasnogorsky deposit in the Dal'negorsk ore district.
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  Data: <searchLink fieldCode="AR" term="%22Simanenko%2C+L%2E%22">Simanenko, L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ratkin%2C+V%2E%22">Ratkin, V.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Turchin%2C+V%2E%22">Turchin, V.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Russian+Journal+of+Pacific+Geology%22">Russian Journal of Pacific Geology</searchLink>. Mar2015, Vol. 9 Issue 2, p120-135. 16p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Mineralogical+research%22">Mineralogical research</searchLink><br />*<searchLink fieldCode="DE" term="%22Ore+deposits%22">Ore deposits</searchLink><br />*<searchLink fieldCode="DE" term="%22Mineralization%22">Mineralization</searchLink><br />*<searchLink fieldCode="DE" term="%22Porphyry%22">Porphyry</searchLink><br />*<searchLink fieldCode="DE" term="%22Sphalerite%22">Sphalerite</searchLink><br />*<searchLink fieldCode="DE" term="%22Stannite%22">Stannite</searchLink><br />*<searchLink fieldCode="DE" term="%22Cassiterite%22">Cassiterite</searchLink><br /><searchLink fieldCode="DE" term="%22Sikhote-Alin+Range+%28Russia%29%22">Sikhote-Alin Range (Russia)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper presents the results of the detailed mineralogical study of the pocket-disseminated tinzinc (cassiterite-sulfide) and vein-metasomatic tin-silver-polymetallic ores localized in the vent of the Mount Krasnaya paleovolcano (Krasnogorsky polymetallic deposit). The tin-zinc ores of the early Late Maastrichtian stage of the ore formation are associated with pipelike bodies of explosion breccias, were formed at a temperature of around 300°C, and include three mineral assemblages: the (1) pyrite, (2) productive quartz-cassiterite-sphalerite, and (3) late sulfosalt-galena-chalcopyrite ones. The vein-metasomatic tin-silver-polymetallic ores of the late Paleocene stage are associated with rhyolite bodies, controlled by the NW-oriented faults, and cut mineralized breccia. These ores were formed during a full two-stage hydrothermal cycle within the temperature interval from 500 to 1000°C and include five consecutive ore mineral assemblages: (1) wolframite-arsenopyrite, (2) cassiterite-sphalerite-pyrite-chalcopyrite, (3) stannite-Ag-bearing sulfosalt, (4) freibergite-galena, and (5) native silver-stephanite-acanthite. The tin-silver-polymetallic ores are assumed to have formed simultaneously with the extended silver-bearing galena-sphalerite veins cutting the Primorskaya Group volcanic rocks around the paleovolcano. In the extended vein zones, the tinsilver-polymetallic ores correspond to the uppermost (closest to the paleosurface) part of the vertical zoning. [ABSTRACT FROM AUTHOR]
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        Value: 10.1134/S1819714015020062
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 120
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      – SubjectFull: Mineralogical research
        Type: general
      – SubjectFull: Ore deposits
        Type: general
      – SubjectFull: Mineralization
        Type: general
      – SubjectFull: Porphyry
        Type: general
      – SubjectFull: Sphalerite
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      – SubjectFull: Stannite
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      – SubjectFull: Cassiterite
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      – SubjectFull: Sikhote-Alin Range (Russia)
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      – TitleFull: Mineral assemblages of the porphyry tin-polymetallic ores of Mount Krasnaya paleovolcano of the Krasnogorsky deposit in the Dal'negorsk ore district.
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            NameFull: Simanenko, L.
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            NameFull: Ratkin, V.
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              M: 03
              Text: Mar2015
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              Y: 2015
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            – TitleFull: Russian Journal of Pacific Geology
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