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File Created: 27-May-2013 by George Owsiacki (GO)
Last Edit:  09-Jun-2020 by George Owsiacki (GO)

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NMI
Name AND GINGER, JD Mining Division Liard
BCGS Map 104I023
Status Prospect NTS Map 104I05E
Latitude 058º 15' 40'' UTM 09 (NAD 83)
Longitude 129º 30' 27'' Northing 6457896
Easting 470214
Commodities Copper, Silver Deposit Types I06 : Cu+/-Ag quartz veins
L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Stikine, Plutonic Rocks
Capsule Geology

The And Ginger occurrence area is located on the northern slopes of the Three Sisters Range, about 28 kilometres southeast of the community of Dease Lake.

The property is underlain by undifferentiated Upper Triassic to Lower Jurassic volcanic rocks which are overlain to the north by Lower Jurassic Takwahoni Formation (Laberge Group) clastic sedimentary rocks. The Triassic-Jurassic sequence is intruded by Middle to Late Jurassic granodiorite of the Snowdrift Creek pluton, which underlies most of the property.

Follow-up work on a Regional Geochemical Survey (RGS) copper anomaly resulted in the discovery of copper and silver mineralization previously unreported on the JD claims. Mineralization has been delineated over an 800 by 500 metre area which outcrops as cliffs and slopes of a broad ridge separating valleys in the Sisters Range. Mineralization is hosted in a variety of basaltic flows. It occurs as veins and pods which include epidote, chlorite, quartz, calcite, and at least one of the following copper minerals (in order of most to least abundant): bornite, tetrahedrite, chalcopyrite, and chalcocite. Malachite and azurite are common secondary minerals.

The mineralization is associated with 1) rhyolite dikes where they have quartz veins; and 2) strong epidote and chlorite replacement (propylitic alteration). On the middle to lower reaches of the western slope, mineralization is mainly related to rhyolite dikes. The dikes range in orientation and size; approximately one-third of the rhyolite dikes host quartz veins which occur mainly as open-space fillings, with a central gap that contains euhedral crystal terminations and copper-silver minerals. Some rhyolite has a network of small veins and veinlets that occupy up to 10 per cent volume and which contain variable amounts of copper. Some small quartz plus copper veins (less than 1 centimetre wide) have zones up to 10 centimetres long where they are entirely bornite. Only bornite and a subsidiary amount of chalcopyrite are present on this portion of the showing.

Along the ridge top and the eastern cliffs, there is mineralization associated with quartz veins in rhyolite; however, here there is also mineralization in association with propylitic alteration. The northern portion of the showing is less intensely altered, and calcite veins and pods are more abundant that quartz. In this area, mineralization occurs in association with epidote + chlorite + calcite ± quartz veins and pods. To the south, propylitic alteration is more intense and includes zones of complete epidote and chlorite replacement. Here, mineralization occurs in quartz veins as well as along the margins of strong epidote alteration. Blebs and veinlets of tetrahedrite and bornite are the main sulphides in these rocks, and occupy up to 2 per cent volume in the zones of mineralization.

A grab sample (152277) of rhyolite with a 10 centimetre thick quartz vein with 2 per cent bornite, abundant malachite and a trace of chalcopyrite analyzed 3.3 per copper and 68.9 grams per tonne silver (Assessment Report 30590).

In 2008, a field program was conducted on behalf of Paget Moly Corp. and consisted of mapping, checking Regional Geochemical Survey (RGS) anomalies, prospecting, and evaluating MINFILE occurrences. Sixty-four rock and silt samples were collected for analysis.

Bibliography
EMPR ASS RPT *30590
EMPR OF 1996-11
GSC BULL 504
GSC MAP 9-1957; 29-1962; 1418A; 1712A
GSC OF 610; 2262; 2779
GSC P 78-1A, pp. 25-27

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