Drilling at Courageous Lake Yields Positive Results
TORONTO - The first 11 holes drilled this season by Seabridge Gold (TSX:SEA)(NYSE Amex:SA) on the FAT deposit at its 100% owned Courageous Lake gold project have exceeded expectations, increasing confidence in the current resource and potentially expanding it. The Courageous Lake project is located in Canada's Northwest Territories. Drilling continues with another 30 holes planned for this summer.
Seabridge President Rudi Fronk said that the primary objective of this year's Courageous Lake program is to enhance the value of the project by upgrading its existing resources so that they can qualify as reserves in a planned Preliminary Feasibility Study. "The results to date indicate that we are having success upgrading inferred resources to higher categories. Mineralization is where we expect it to be, demonstrating that our resource model is predictive. Furthermore, grades are somewhat better than predicted by the model and we are also finding new mineralized zones. Overall, the data suggests that resource ounces and perhaps grade could increase as a result of this program, in addition to upgrading resource categories."
The FAT deposit is located geologically in the Slave Province. The deposit's name is an acronym for its dominant rock type, Felsic Ash Tuff. This gold occurrence, hosted by Archean rocks, was formed in a rhyolite/dacite dome complex that measures about 2km along strike and about 800m of stratigraphic section in width. Although tuffaceous rocks are the most common in the deposit there are also clear intervals of clastic and chemical sedimentary rocks and a few late intrusives.
In constructing a geological model for resource estimation, unique stratigraphic intervals were defined and labeled as domains 1 though 9 and domain 14. Each domain contains specific and unique tuff and sedimentary units arranged in particular stratigraphic sequences. The defined geological domains are relics of the depositional environment in which they were formed. Consequently, within these domains the style of hydrothermal alteration, vein occurrences and sulfide mineralogy are consistent across the length and breadth of each specific domain. Distribution of gold within a domain and the surrounding rock is treated differently from other domains in resource modeling. Although ten separate geological domains have been recognized in the FAT deposit, domains 3, 4 and 5 contain about 80% of the gold in the deposit.
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