Aquila Resources (AQA-V) has drilled several more wide intersections of base metal mineralization at its Back Forty project, in Menominee Cty. in Michigan’s Upper Peninsula.
The new holes tested extensions of known mineralization at the Main Zone Hinge and the Pinwheel Zone, two massive-sulphide lenses on the hinge and northwest limb of a southwest-trending fault. The Main Hinge in particular had provided several very thick sulphide intersections in earlier drilling.
Two new holes on the Hinge intersected 65.7 metres and 58.5 metres of massive sulphides, with the longer of the two succeeded with stringer mineralization at depth. Hole LK-150 cut 65.7 metres grading 6.95% zinc, 0.31% copper and 0.04% lead, with 1.6 grams gold and 20.7 grams silver per tonne. Beneath that, another 31 metres of stringer sulphides graded 0.27% zind, 0.22% copper, 0.53% lead, 10 grams gold and 65 grams silver per tonne.
Hole LK-148 graded 0.59% copper, 0.05% zinc and 0.01% lead, plus 5.1 grams gold and 11.6 grams silver per tonne over 58.5 metres. A third hole cut 26 metres grading 3.67% zinc, 0.11% copper, 0.04% lead, 1.7 grams gold and 13.8 grams silver per tonne.
On the Pinwheel zone, drilling is defining a massive sulphide body with a gossan zone, enriched in gold but depleted in base metals, on top of it. Two of the better massive sulphide intersections were a 16.4-metre length that graded 0.84% copper, 0.1% zinc, 0.03% lead, 0.9 gram gold and 16.1 grams silver per tonne, and an 11-metre intersection of mixed sulphides and gossan that graded 1.07% copper, 1.7 grams gold and 265 grams silver, with negligible lead and zinc.
The gossan intersections included a 1.42-metre intrval where gold averaged 3.2 grams per tonne and silver 31.5 grams per tonne, with 0.08% copper and 0.2% lead. A 7.5-metre interval of footwall sediments underneath that intersection graded 4.2 grams gold and 24.3 grams silver per tonne.
A single deep hole drilled well to the southwest of known mineralization, targeting the down-plunge extension of the fold axis, cu 18 metres of stringer mineralization that contained 1.27% zinc, with small amounts of gold, silver, copper and lead.
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