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| Content Provider | Springer Nature Link |
|---|---|
| Author | Simanenko, L. F. Ratkin, V. V. Turchin, V. A. |
| Copyright Year | 2015 |
| 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. |
| Starting Page | 120 |
| Ending Page | 135 |
| Page Count | 16 |
| File Format | |
| ISSN | 18197140 |
| Journal | Russian Journal of Pacific Geology |
| Volume Number | 9 |
| Issue Number | 2 |
| e-ISSN | 18197159 |
| Language | English |
| Publisher | Pleiades Publishing |
| Publisher Date | 2015-04-14 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | porphyry deposits tin-polymetallic ores mineralization stages sphalerite stannite cassiterite silver minerals explosion breccia Dal’negorsk ore district Sikhote Alin Primorye Geology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geology Geophysics Geochemistry and Petrology Oceanography Paleontology Stratigraphy |
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