Regional Geology Setting - Vault Properties
Kirkland
Kirkland North
Lebel
Gauthier
Goldbanks
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All of the Vault properties lie within the southern Abitibi greenstone belt and all are located within the Timiskaming assemblage (2687 -- 2675 Ma) with the exception of the Gauthier property and part of the Kirkland North property. The Timiskaming assemblage is generally a 50 km east-west trending linear belt adjacent to the Larder-Cadillac Deformation Zone, ('LCDZ') consisting of a 3 to 5 km thick sequence of mainly interbedded alkalic volcanics and clastic sediments deposited in a subaerial to shallow marine environment. These units are intruded by several generations of intrusions that include gabbro stocks and sills, quartz-feldspar porphyry, feldspar porphyry, trachyte, syenite, syenite porphyry and biotite lamprophyre. Considerable petrographic research has been undertaken on intrusive rocks that host gold mineralization in Teck Township as summarized by an OGS Open File Report 6159 . Some preliminary petrographic work has been undertaken on the 'Lebel porphyry' in 2005 by Placer Dome (CLA) Limited located on Vault's Lebel Gold property.
Four generations of deformational fabrics (OGS, Open File Report 6159) have been identified in locations confined to the Timiskaming and in areas trending beyond its assemblage boundaries. Most rock units have been impacted by hydrothermal alteration including carbonitization, sericitization, chloritization and silicification of varying intensity. Gold mineralization is spatially associated with high strain and brittle fractured zones, commonly as splays off of the LCDZ or as in the case of the Kerr Deposit, located in McVittie Township, within the LCDZ.
In Gauthier Township, the Timiskaming assemblage is bounded to the north by Upper Tisdale and Lower Blake River assemblages, formerly known as Gauthier and Kinojevis respectively. Vault's Gauthier property is located within the Upper Tisdale and Lower Blake River. The Upper Tisdale (Gauthier) assemblage consists of calc-alkalic andesitic to rhyolitic tuffs and related volcaniclastics with interbedded graphite and turbidite units. Quartz-feldspar and feldspar dykes are found on the property. Lower Blake River consists of iron-rich and magnesium-rich tholeiitic basalts, minor andesite, dacite, rhyodacite flows and tuff with narrow argillite and chert horizons. Felsic intrusives are minor along with stocks and sills of gabbro and diorite.
Gold and copper mineralization at the Upper Beaver deposit, which is also situated in the same geologic setting, occur in breccia zones at lithological contacts and within mafic volcanics, syenite, feldspar porphyry, and conglomerate. Mineralized zones are silicified, epidotized and carbonitized with chalcopyrite + magnetite + pyrite + gold.
The technical content of this web page has been reviewed and approved by Michael Sutton, P.Geo., Vault's Vice President of Exploration and 'Qualified Person' in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects.
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