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Hornby Bay Basin
Mountain Lake Project
Dismal Lake Project
Kendall River Property
Athabasca Basin
Athabasca Overview
Pasfield Lake Project
Stony Road Project
Mann Lake Project
West Carswell Project
Wollaston NE Project
Riverlake/Highrock
Alaska
Boulder Creek Project
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West Carswell Project Location The West Carswell Property is located south of the western end of Lake Athabasca in northwestern Saskatchewan. The center of the property is approximately 15 km to the southwest of COGEMA Resources's Cluff Lake Mine, and 15 to the northwest of the Shea Creek Deposit being actively explored by COGEMA Resources Inc. and partner UEX Corporation. Provincial Highway 955 provides access to the region. Size The property consists of four Mineral Claims which cover an area of approximately 10,260 hectares. Ownership The western two claims were staked by Triex Minerals Corporation, and owned 100% by the Company. The eastern two claims are being explored by Triex under an Option to Purchase Agreement. Under the terms of the agreement, dated May 13, 2008, Triex can purchase a 100% interest in the property, outright, by paying a total of $275,000 dollars, and issuing 50,000 non-assessable common shares in the capital of Triex, in two stages. The second payment must be made on or before November 1, 2009. The vendor has retained a 2.5% royalty interest, with Triex having the right to purchase three fifths of such interest for $1,500,000 at any time prior to, or within six months after, the date commercial production has been achieved on the claims. 2008 Exploration The new claims cover the Harrison Shear Zone, a regional structure which runs along the eastern boundary of the West Carswell property. Drill holes WC06-001 and 004 were the closest to the shear zone of the four holes completed during the 2006 program on the West Carswell Property. Both holes warranted follow-up drilling based on anomalous boron in more than 100 metres of Athabasca Group sandstone in Hole 001, and on extensive brecciation and dissolution textures over more than 400 metres of sandstone in Hole 004. Geophysical work was done in 2008 to refine potential follow-up drill targets. Target delineation on the Harrison Shear Zone commenced in August 2008. A 37 line-kilometre ground-based AMT survey was completed on September 21, 2008. The survey grid was designed for three dimensional modeling of conductors associated with the Harrison Shear Zone. The survey confirmed the presence of conductors associated with the Harrison Shear Zone. The most interesting target is a conductor with depth continuity from 200 metres to greater than 1,000 m, along the central axis of the shear zone. The target is close to the Sandy Lake road, and nearby Cluff Lake / Shea Creek infrastructure; the target is deep but warrants consideration for follow-up work, including airborne gravity and first-pass drilling. 2006 Exploration Summary The winter exploration program at West Carswell utilized established road infrastructure associated with the Cluff Lake Mine, and Provincial Highway 955. A grid-based UTEM survey was completed in January 2006. A total of 49 line kilometres were surveyed by SJ Geophysics of Vancouver, B.C. An east-west trending anomaly orthogonal to the regional tectonic grain, and mimicking the MEGATEM II anomaly, was produced. A first-phase drill program was done in February-March, 2006, contracted to Hy-Tech Drilling based out of Smithers, British Columbia. A total of 3,400 m was completed in four holes. All holes were probed with a Mount Sopris 2PGA-1000 poly-gamma probe. PIMA II spectral data were collected systematically from core to evaluate clay alteration minerals. A total of 247 samples were collected for geochemistry and processed at the Saskatchewan Research Council. Uranium mineralization was not intersected in any of the four holes, but geological features favourable for uranium deposits in the western Athabasca Basin are evident in two holes and will be followed up during the first quarter of calendar 2007. Holes 06-WC-001 and -002 targeted the easterly-trending conductivity feature normal to the regional northwestern magnetic grain. The first hole, located where the conductivity feature intersects the northerly-trending magnetic contact, warrants follow-up. This hole is dominated by steeply dipping quartz fault and hydrothermal breccia zones between 3 and 30 metres wide (core thickness), starting at 185 metres downhole. Boron content ranges from 9 to 316 ppm in the hole, and is consistently over 50 ppm within a 120 metre interval of sandstone between 700 and 820 metres that lies immediately above the basal conglomerate unit and which contains greater than 50% fault breccia.unconformity, which is at 707 metres depth. Basement granitoid lithologies are hematitic and radioactive. Holes 3 and 4 targeted the margins of magnetic lows where they are offset by dextral east-west faults. Both holes contain abundant, steeply dipping breccia zones with fault and dissolution fabrics up to 11 metres wide in Hole 3 and 30 metres wide in Hole 4. The zones occur between 83 and 428 metres depth in Hole 3 and between 115 and 634 metres in Hole 4. Anomalous radioactivity extends for 60 metres above the unconformity, which is at 707 metres depth. Basement granitoid lithologies are hematitic and radioactive. As in Hole 1, boron levels are commonly above 80 ppm. 2005 Exploration Summary A MEGATEM II electromagnetic survey was flown on east-west lines across the property by Fugro Airborne Surveys in August 2005. A follow-up survey was flown on north-south lines in October, 2005 to better define the anomaly. Each survey was approximately 400 line-km. The surveys outline a strongly conductive feature named the MP Anomaly. It is most clearly defined at depth (late time EM responses). It is approximately 4.3 km long east-west by 1.2 km wide north-south, oblique to the regional northwest-southwest grain on regional magnetic maps. Exploration History In 2006, Triex completed the first exploration program on the Property in some 25 years. Work focused on the recognition of favourable magnetic signatures of basement rocks, and on the identification of basement conductors. Overall, the goal is to discover alteration corridors associated with regional faults and flagged by conductors, an association common to most uranium deposits in the Athabasca basin. There are numerous uranium occurrences in the Carswell structure (SMDI: Saskatchewan Mineral Deposit Inventory occurrences), and over the past 50 years, a number of exploration programs have been conducted in and around the West Carswell project area. Activities included; airborne geophysics surveys (such as aeromagnetic, airborne VLF-EM and radiometric surveys), ground geophysics (such as magnetics and electromagnetic surveys), mapping, scintilometer prospecting, line cutting, overburden and diamond drilling. In 1958-59, WS Kennedy conducted an aeromagnetic survey in the area. It was not until 1969 that the level of exploration activity in this area significantly increased. In 1969, Houston Oil conducted an airborne radiometric survey to the southwest of the project area. Uranium mineralization was first discovered in 1968 by Amok (formerly Mokta) prospectors as a result of follow-up work to an airborne radiometric survey that had revealed several weak anomalies. Amongst all of the drilling by AMOK, one hole, CAR-257 was drilled by in 1979 in the western part of the current West Carswell property. Significant zones of mineralization discovered include the D, N and OP deposits in 1969-70, Claude in 1971, Dominique-Peter in 1981, Dominique-Janine in 1984 and the West Dominique-Janine in 1999. The deposits collectively are referred to as the Cluff Lake Mine which COGEMA Resources Inc. operated for 22 years, producing some 63 M lbs of U308 (Geology, Mineral and Petroleum Resources of Saskatchewan; Saskatchewan Industry and Resources, 2003). The deposits outcropped or subcropped below glacial drift and gave rise to geochemical dispersion haloes, detectable by ground and sometimes airborne surveys. The Shea Creek prospect, a zone of uranium mineralization associated with a group of strong, deep EM conductors, lies outside of the Carswell Structure, about 20km to the south of the Cluff Lake deposits and 15km to the south-east of the West Carswell project. The Shea Creek mineralization was discovered in 1992 and is still being assessed, with exploration in 2009 advancing to underground development. It is perhaps the highest profile and advanced exploration project in the Athabasca Basin. Shea Creek comprises the Anne and Collette Deposits discovered by COGEMA Resources Inc. in 1996, and the Kianna deposit discovered in 2006, located in between Anne and Collette. The historic resource estimate of 47Mlbs U308 by COGEMA for the Anne deposit alone is equal to nearly three quarters of the mined reserve at Cluff Lake. Current exploration under a joint venture with UEX Corporation has resulted in numerous new intersections of high grade uranium, including 27.4% U3O8 over 8.8 m, 7.73% U3O8 over 14.1 m, and 12.57% U3O8 over 11.9 m on June 6, 2006, amongst many others (see www.uex-corporation.com.) The West Carswell property is within the same basement domain as both Cluff lake and Shea Creek (see adjacent map), defined by narrow, northwest-southeast trending zones defined on regional aeromagnetic maps. Regional and Property Geology The West Carswell property overlies the west Lloyd Domain (formerly Firebag Domain) where it appears to be made up of metamorphosed supracrustal rocks that were strongly retrogressed after reaching their highest metamorphic grade. Unconformably overlying the Lloyd Domain basement rocks on the property are conglomerate, sandstone and minor siltstone of the Early Proterozoic Athabasca Group. On the property, the group consists of four members of the Manitou Falls Formation, in turn overlain by the Lazenby Lake and Wolverine Point Formations. Overall thickness of the group in the property area, that is, depth to the unconformity, is between 700 and 800 metres. Drill holes by Triex in 2006 intersected the MFa, MFb, MFc, MFd, LzL, WPa and LL Formations of the Athabasca Group. The FP and the MFa Formations are both basal conglomerates that were not distinguishable based on the level of study for the drill program, and as such were grouped together and referred to as the MFa Formation. The Manitou Falls B Formation (MFb), is identified as a medium to coarse sandstone with has distinct pebble beds > 2cm thick. Although the MFd Formation is identified, the abundance of clay intraclasts generally is <2% overall, where-as they typical characteristic of the MFd Formation is a fine grained sandstone with >2% clay intraclasts. The Wolverine Point Formations are group together as WPa. A significant geological feature immediately east of the property is the Carswell Structure. The Carswell Structure is a multi-ring, roughly circular feature approximately 35 km in diameter that represents a "plug" of uplifted basement material within the Athabasca Basin boundary. The Carswell Structure is considered to be of meteorite-impact origin. It is speculated that the meteorite impact caused a core of basement to be uplifted resulting in vertical displacement of up to 2 km. The Carswell Structure comprises: an uplifted basement core, 18 km in diameter, that is faulted both tangentially and radially; an inner ring 5 km wide of Athabasca Group rocks, the William River Subgroup, which is in places highly disrupted, brecciated, inverted, and thrusted; and an outer annulus 3 to 4 km wide which contains the only known occurrences of the Douglas and Carswell formations. The basement and adjacent William River Subgroup are intruded by or contain irregular bodies of the impact-related Cluff Breccias, which comprise impact melt rocks, fall back breccias, and psuedotachylite veins. The multi-ring configuration is characteristic of hypervelocity impact structures. Other evidence of meteorite impact includes deformation lamellae in quartz, shock metamorphic features in most minerals, formation of glass, and shatter cones and striations. Age dating has estimated the impact occurred during the Ordovician, about 478 million years ago. It is not known exactly how far the radial and tangential faults extend away from the Carswell meteorite impact, as defined by the limits of the basement uplift block. The structures may or may not extend to the northeast corner of the West Carswell property. The Harrison Shear Zone is a regional fault that is interpreted to be the boundary between basement domains below the Athabasca Group. It is a regional-scale structure evident on both bouger (gravity) and total magnetic intensity regional maps. The shear zone forms part of the southwestern margin of the Carswell structure. The shear zone transects the northeastern part of the Property and is a significant target for potential uranium deposits. |
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