The Harry Davis property, also known as H.D., comprises a series of copper, zinc and cadmium showings on Mount Harry Davis, five kilometres north of Houston. The showings span a 4-kilometre strike length from the southern base to the top of the mountain. They are accessed by a dirt road which services four communication towers on the mountain. Prospecting of showings on Mount Harry Davis dates from the 1920s. More recent exploration was conducted by Manex Mining Ltd. (1966), Moly Mine Explorations Ltd. (1966–1969), Placer Development Ltd. (1981-1982), Eldor Resources Ltd. (1985), Equity Silver Mines Ltd. (1988) and Teck Corp. (1993). In 1998, property owners Wesley Moll and Dan Merkley drilled one core hole.
The property is underlain by Lower Jurassic Hazelton Group volcanics of the Telkwa Formation. The rocks are comprised of a series of subaqueous pyroclastic flows and breccias, reworked tuffs, and volcaniclastic sediments which indicate a subaqueous depositional environment. Locally the rocks are comprised of calcalkaline basalt to rhyolite flows, tuffs, and breccia with minor interbedded limestone, greywacke, argillite, chert and shale.
Mineralization consists primarily of fracture controlled copper, silver, and arsenic. On the property, in the Switchback area, zinc occurs in silicified pyroclastics and rhyolite. Sphalerite occurs as disseminated, ragged grains rimmed by sericite in thin carbonate veinlets.
North of the peak of Mount Harry Davis, the Baseline showings consist of 28 per cent zinc occurring as thin fracture coatings or disseminated in large calcite veins. In 1985, a sample across a quartz-carbonate vein from the Baseline showings assayed 0.14 gram per tonne gold, 59 grams per tonne silver, 28 per cent zinc, 2 per cent lead, 0.18 per cent cadmium, 0.06 per cent tin, and 0.04 per cent bismuth (Assessment Report 14157).
The major occurrences consist of epigenetic zinc in quartz- carbonate veins or as disseminated sphalerite, related to the silicification of felsic pyroclastics and tectonic breccia with later stage carbonate alteration. Chalcopyrite, galena, and minor bornite grains are disseminated and fill hairline fractures in a light grey lithic tuff. Also, chalcopyrite, bornite, azurite, malachite and fluorite occur in hairline fractures with minor sphalerite and galena in a massive, white to buff coloured pumiceous tuff. Minor sphalerite is randomly disseminated throughout a grey-green crystal tuff.
Syngenetic zinc and fluorite occur in the Hilltop showing (093L 205) in chert. This deposit is discordantly crosscut by quartz or quartz-calcite veinlets with or without sphalerite.
WORK HISTORY
The Buff group of 8 claims, staked in 1917 at about the 915 metre elevation on the southeasterly slope, was owned by Pete Slavin, Joe Allen, Fred Heading, and Andrew Martinsen. For a period in 1918 the property was under option to H.L. Roper. The workings at that time included open cuts and a 6-metre shaft. The Lucky Day claim, owned in 1930 by W.H. Simpson, of Hazelton, was staked adjacent to the Buff showing; no work was reported.
Mr. Paul Tickolees and associates held upwards to 26 claims on the northeasterly and southeasterly slopes during the latter half of the 1920s and early 1930s. The Satan and Bruneis claims, on which assessment work was reported by Tickolees in 1925, may have been at this location. In 1927 the property was described under the names Alma, M. Wood, and Solad groups. In 1929 and 1931 the property was described under the names B.C. Leader, Mikado, Mammoth, and Mison. Work during the period included open cutting and a 6.7-metre adit.
Recent prospecting on the mountain began early in 1965 when Edward Westgarde and William Merkley rediscovered scattered mineralization in Early Mesozoic volcanic rocks. The Cup, Delta, and ED claim groups were subsequently staked. Molymine Explorations Ltd. optioned 34 claims late in 1966 and during 1967 carried out geological and geochemical surveys, 441 metres of rock trenching, and 1737 metres of overburden trenching; the option was subsequently given up. One chip sample of copper mineralization returned 0.51 per cent copper, 0.05 per cent zinc, 32.9 grams per tonne silver and 0.3 gram per tonne gold over a length of 7.5 metres (Property File Cyprus Anvil W.M. Sharp, 1968).Subsequent work was done on the ED group.
From 1999 to 2013 John Wesley Moll, William Merkley and Daniel Merkley conducted road and trail work and limited EX and/or XRay diamond drilling in 34 holes totalling 446.6 metres on their HD claims. Drilling occurred primarily in the Hilltop (093L 205) and Ed (093L 204) vicinities. Sampling occurred at the Tiglish is several hundred metres southeast of Hilltop (093L 205); the Tiglish sample contained visible chalcopyrite and minor bornite, and was fairly representative of mineralization in the old shaft. (Assessment Report 29567). See Figure 3 and 4 (Assessment Report 25891) for positions of showings that are grouped differently than MINFILE.
In 2006 on the HD property, 12 rock samples were taken and trail building occurred in areas that included the North, Tiglish, Chert Knob and Far North zones. It appears that the North and Far North zones are in the vicinity of the Harry Davis showing (093L 203) (Assessment Report 29129). The North area appears to be in that area also designated as Baseline (Figure 3, Assessment Report 25891).
See also Hilltip (093L 205), Ed (093L 204) and Barb (093L 214).
