|Sanca, British Columbia
The Sanca property consists of 11 separate claims comprising 4,935 ha (12,195 acres) located immediately east of Kootenay Lake. The property overlies the northern contact of the composite Sanca Stock / Mount Skelly Pluton hosted by metamorphosed sedimentary host strata of Proterozoic age. The three phase intrusive complex consists of fine- to coarse-grained granites correlated to the Cretaceous Bayonne Magmatic Suite. The granite has local iron-stained veins with variable amounts of iron sulphide, predominantly as pyrite. The veins appear to occupy apparent discontinuous brittle shear zones which trend essentially north-south (plus/minus 20°).
Sedimentary strata are present along Akokli Creek at the northern contact with the Sanca Stock / Mount Skelly Pluton and as a pendant located at the mouth of Sanca Creek. The sediments are strongly iron stained and metamorphosed. The strata, as mapped, have been correlated to Proterozoic sediments ranging from the Purcell Supergroup (middle Creston Formation) to the Windermere Supergroup (Horsethief Creek Group).
There are a total of 12 documented MINFILE occurrences within, or immediately adjacent to, the property consisting predominantly of polymetallic vein-type occurrences with anomalous to highly anomalous gold , silver, lead, zinc and arsenic, as well as tungsten (some having limited historical production). Mineralization is reportedly comprised of sulphides hosted by generally north-south trending faults, fractures and/or veins. The best described are located on the Valparaiso Crown Grant, which trend onto the immediately adjacent Government claims. This vein system consists of the Valparaiso and Sarah 2nd veins, which are sub-parallel to one another and have been discontinuously exposed over approximately 1,500 m. Mineralization is described as consisting of variable quantities of sulphides, including pyrite, arsenopyrite, sphalerite, galena and chalcopyrite, occurring with wolframite in a quartz gangue. High grade values have been documented in arsenic, silver, gold, tungsten plus/minus lead plus/minus zinc. The veins appear to be well developed, hosted within granite of the Sanca Stock and trending approximately 015°/35°.
Several additional vein-type mineralized occurrences have been identified and/or documented within the granitic host rocks of the Sanca Stock and the Mount Skelly Pluton. These may be polymetallic veins, and therefore having low tonnage - high grade potential. Alternatively, they may be veins consistent with an Intrusion-Related Gold model and part of a high tonnage - low grade system with local high grade to bonanza grade gold veins. The preliminary deposit type under consideration in this program is that of a low tonnage, high grade vein type deposit.
Jasper Mining Corporation, trading symbol: JSP
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