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18
EXPLORATION SPECIAL
Rainy River
A preliminary economic assessment for Rainy River Resources Ltd’s
eponymous gold project in Ontario has indicated potential for a combined
open-pit and underground operation producing 320,000oz/y.
The study was based on a June 2011 estimate defining 4.4Moz in the
measured and indicated resource category, and approximately 2.3Moz
in the inferred resource category.
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Lumina Copper – Taca Taca
Lumina Copper Corp continues to intersect long intersections of coppergold-molybdenum
mineralisation at its Taca Taca porphyry deposit in
Argentina.
The ongoing drilling programme is designed to expand the resource in
several directions, as well as fill in between previous holes to convert inferred
resources into the higher-confidence indicated category. Latest intersections
included the longest interval of mineralisation drilled at the project, totalling
813m at an average 0.60% Cu equivalent, and was 300m from previous drilling
that defined the boundary of the 2011 resource.
Indicated resources were estimated at 516Mt at an average grade of 0.58%
Cu, 0.12g/t Au and 0.018% Mo, with inferred resources estimated at 880Mt at
0.43% Cu, 0.08g/t Au and 0.015% Mo.
Mining Journal • Stand 709 • PDAC 2012 • March 4 – 7 • Metro Convention Centre South, Toronto
www.mining-journal.com
February 2012