Vancouver —
Pacifica, which was spun off by Expatriate Minerals (now
The joint venture retains a 2% net smelter return royalty on production and would receive $10 million from the net proceeds of production.
Considered one of the world’s largest undeveloped deposits of its kind, Howards Pass is a sedimentary exhalative-style deposit. The lead and zinc mineralization is layered and contained in sediments that are gently folded and offset by faults. It was discovered in 1972 by Placer Development.
In 1983, Placer Development estimated that the so-called XY zone had an indicated reserve of 60 million tonnes grading 5.51% zinc and 2.38% lead based on 137 diamond drill holes and underground work. The Anniv zone was found to have 55.5 million tonnes grading 5.29% zinc and 1.79% lead.
Pacifica plans to carry out definition and expansion drilling, which it will fund with $8 million raised from a recent equity financing.
Pacifica will be picking up where Vancouver-based
Copper Ridge was keen on the bulk minable resource at Howards Pass and had considered using Billiton Metals’ proprietary hydrometallurical processing method.
Copper Ridge completed 2,000 metres of diamond drilling in eight holes that year. But after Billiton backed out of a joint exploration program, the company failed to come up with the initial purchase payment, and so the project reverted back to Placer Dome.
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