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| January 28, 2010 --- Vol. 4, No.04 | January 2010
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Northwest Territories
GOLD – Tyhee Development Corp. Jan 27 reported progress at its Yellowknife Gold Project in Northwest Territories, including installation of a 2010 winter road, the start of diamond drilling at the Ormsby Zone and positive initial metallurgical results from Clan Lake. The diamond drilling at the Ormsby zone is focused on completing geotechnical holes required for a preliminary feasibility study. The work is focused on testing sites for building foundations and other infrastructure. In addition, two combined exploration-geotechnical holes are planned to assess the geotechnical conditions of the proposed pit walls and will commence near the end of January. The initial results of the current metallurgical program (which is ongoing) match earlier test work to show high overall gold recoveries ranging from 90-97 percent for all zones. This test work uses conventional crush and grind, followed by three sequential recovery techniques, gravity, flotation, and cyanidation. Gravity recoverable gold for the Ormsby Deposit showed a range of 39-71 percent and 27- 59 percent for Clan Lake with flotation and cyanidation lifting overall recoveries into the mid- to upper-90 percent range. The Clan Lake Main zone appears to be metallurgically similar to the Ormsby zone. “We intend to drill both within the existing 354,000-ounce resource, as well as along strike to the east, said Tyhee President and CEO Dave Webb. Permitting work continues in conjunction with the above-mentioned study, focusing on the Ormsby and Nicholas Lake zones.
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