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Toshingermann Orogenic Au-Ag New Discovery
351 claims ~7330 ha Southwest Yukon |
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The Toshingermann gold system was discovered by Ron Berdahl in 1989, while investigating stream sediment anomalies published by the Geological Survey of Canada. A brief property examination by Noranda Inc. confirmed the presence of anomalous mineralization, including a large gold anomaly in soils some 10 km to the southeast of the initial discovery, but no follow-up was conducted. At present, the Toshingermann property remains vastly underexplored, and it may represent one of the Territory’s best opportunities for early-stage discovery on a regional scale. |
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Mineralization encountered thus far at Toshingermann is found along kilometers-scale shear zones, in quartz-carbonate veins and silicified shales, with values of up to 6.8 g/t gold, as well as 401 g/t silver, over an area spanning >18 kilometers. Visible gold can be panned from mass mats on parts of the property. Lead, zinc and copper minerals have also been observed. The mineralized system remains open in all directions. |
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| Various assays from the Toshingermann area indicate widespread, anomalous gold. | ||
| Geologically, the Toshingermann property bears many hallmarks of a major orogenic gold district. Host rocks are high-strain schists and intercalated marbles of the pre-Late Devonian Snowcap Assemblage (Yukon Tanana Terrane), with a nearby exposure of Tertiary alaskite. Regional-scale faults crosscut parts of the property, stemming from the Ruby Range batholith to the southeast. Geologists with the Yukon Geological Survey have interpreted these faults as synchronous with the emplacement of the batholith, offering a possible conduit for mineralized fluid flow. The host rocks and geologic setting are similar to those of the White Gold and Coffee discoveries, 120 km to the north. | ||
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18526 Yukon Inc. has expanded the known areas of mineralization at Toshingermann largely through prospecting. VLF surveying has revealed conductive structures underlying the property, continuous across hundreds of meters. Due to the area’s volcanic and glacial history, soil sampling has proven less effective in some places for locating mineralized zones, though values of up to 1932 ppb gold have been returned. No thorough geological investigation of Toshingermann has been performed, and the property itself sits in a part of the Yukon that has seen very little mineral exploration or even attention from government geologists – the GSC’s current outlines of geological units in the area were determined largely through airborne magnetic and radiometric surveys. With further exploration, Toshingermann could prove to be the cornerstone of a new Yukon mineral district. |
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Toshingermann sits just 20 km from the Alaska Highway, an all-season connection to deep-sea ports. There are no nearby land claims. |
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