The 7-hole, 1,923-metre program of reverse-circulation drilling focused on the portion of the Fantasma property that lies immediately west of the Diablillos property, which is held 70-30 by
Three targets had been outlined, the most southerly of which was shown to be coincident with a structure that hosts the neighbouring Oculto gold deposit. Hole 1 tested this southerly target, which turned out to represent an isolated fault block of dense, unaltered, andesite flows.
Five holes were drilled into the central target. Hole 2 intersected the Laderas fault zone and cut 14 metres averaging 147.9 grams silver per tonne and no significant gold, starting at a down-hole depth of 66 metres. A second narrow interval in the same hole cut 3 metres of 31 grams silver, starting at 122 metres down-hole. The remaining four holes failed to encounter any mineralization.
Hole 3 was drilled into the northern target, across a northeasterly striking fault zone. This hole also failed to encounter any mineralization.
Pacific Rim says the grades in hole 2 are uneconomic but that they are significant with respect to the Diablillos project because they demonstrate that mineralization from the Laderas structure extends almost 1 km along strike to the southwest.
Meanwhile, the company has begun drilling at its San Francisco project in northwestern Argentina. The 2,000-metre program is designed to test a low-sulphidation-type epithermal gold target.
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