Eastmain Resources Inc.: Roberto-Type Gold Occurrence Detected At Eleonore South
TORONTO, Jan. 16, 2007 -- Eastmain Resources Inc. ER/TSX is pleased to announce results from geochemical surveys and trenching completed on the Eleonore South project, a joint venture with Les Mines Opinaca Ltee, a wholly owned subsidiary of Goldcorp Inc. G/TSX GG/NYSE, and Azimut Exploration Inc. AZM/TSXV.
Recent trenching has delineated a new gold occurrence within altered sulphide-bearing sediments similar to those found at Goldcorp's Roberto deposit. Detailed soil geochemical surveys have confirmed and enhanced the over 10-kilometre-long gold anomaly identified in 2005. This gold-in-soil anomaly is accompanied by highly anomalous arsenic and antimony, key pathfinder elements to ore at Roberto.
Stripping and trenching of a wide section of steeply dipping Roberto-type sediments, containing up to 3% disseminated arsenopyrite, in Trench ELS-06-1E has exposed a new gold occurrence referred to as the "JT Target." Preliminary rock channel sampling of the JT target averaged 1.49 grams per tonne (g/t) gold across a width of 16.0 metres, which includes metre-wide samples assaying up to 5.91 g/t gold. Significant grab samples taken from this trench assayed up to 12.95 g/t and 2.28 g/t gold. This Roberto-style mineralized interval is open both to the north and to the south, where grab samples assayed up to 5.72 g/t in a gold-enriched zone 475 metres south of Trench 1E.
In late 2003, Virginia Gold Mines reported that channel samples from similar rock horizons yielded comparable anomalous to sub-economic values (0.81 g/t Au across 37.0 metres and 2.42 g/t Au over 5.25 metres) from trenching of the area that became known as the Roberto zone. Similarly, grab samples from the Roberto zone were also reported to contain up to 10.25 and 2.26 g/t gold (Virginia Gold Mines Inc., 2005 AIF).
The 2006 exploration program at Eleonore South included 200 km2 of prospecting and geological mapping, 300 kilometres of line cutting and 800 line-kilometres of airborne VTEM and magnetic surveys. 8,631 geochemical samples were collected at a 50-metre by 200-metre sample interval over the Main, North, West and South grids. 1,055 rock samples were collected across the property and 2,784 metres of mechanical trenching was completed with Belham Limited's Superhoe. Trenches were exposed but not cleaned, mapped or sampled due to weather conditions. These will be a priority during the 2007 summer program. Only two of the 18 trenches excavated have been channel sampled to date.
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