The Martiniere project is located in the northern-most Harricana -Turgeon Belt region of the northern edge of the Abitibi Greenstone Belt, which includes the Matagami, Joutel, Brouillan and Casa Berardi mining districts. The region is underlain by sedimentary and mafic to felsic volcanic rocks with coeval intrusives, all of Archean age. The major structural feature in the region is the east-west trending Detour Lake Break. These rocks and structure are identical to the lithologies in the southern half of the Abitibi Belt, which host mines that produced over 150 million ounces of gold and 500 million tonnes of ore.
The property is entirely covered by glacial overburden. Drilling to date in this area shows it to be largely underlain by sedimentary rocks, consisting of argillite, siltstone, graphitic argillite and related massive pyrite mineralization. These are intercalated with zones of strongly altered carbonatized and sericitized volcanic mafic flows and intermediate tuffaceous rocks. Only scattered areas of bedrock are exposed in small ranges of hills and along major rivers. What is known of the geology is almost entirely derived from the interpretation of geophysical surveys and drill hole data. The discovery of all deposits in the area, including Detour Lake, Golden Pond, Estrades, Joutel, Selbaie and Fenelon, were made through use of geophysical methods.
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