CDNX SYMBOL: UVN
FEBRUARY 1, 2000
Uravan Minerals Inc.: Full PGE Assays +Ni/Cu Values At Rottenstone Are Significant!
CALGARY, ALBERTA--Nine (9) reconnaissance diamond drill holes (RL99001 to RL99009 inclusive) were completed on the Rottenstone PGM +Ni/Cu project in the late fall 1999, amounting to 1273 m (4176 ft.) of drilling (News Release dated 11/24/99). The drill program focused on three broadly separated areas of significant Transient Electro Magnetic (TEM) conductivity and co-incident Total Field Magnetics (TFM). This program was designed to determine the existence of widespread ultramafic intrusive rocks (peridotite and orthopyroxenite) and their potential for hosting nickeliferous-PGE mineralization of the type lithology and grade that occurred at the Rottenstone Mine. The three geophysical targets and drill hole locations are shown on the attached map (Figure 1).
This drill program was technically successful in furthering Uravan's knowledge of the Rottenstone deposit and the geophysical anomalies tested. Most importantly, drill hole RL99001, located 50m (164 ft.) well away from any previously known mineralization, was very successful in intersecting significant (10% to 20%) sulphide mineralization consisting of pyrrhotite, chalcopyrite and pentlandite occurring as disseminated net-textured and massive sulphide mineralization. This mineralization contains strong PGM +Ni/Cu values hosted in an altered ultramafic rock (altered orthopyroxenite). The ultramafic unit represents the thickest intersection ever reported in the area, occurring over 13.1 metres (43 ft.), from 7.7 m to 20.9 m, as a flat lying sill-like intrusive body, intruded by several pegmatite dykes. It is believed that the top of the sill was not recovered due to unconsolidated subcrop and overburden and that this intersection was near the edge of the sill. The mineralized intersection is impressive, averaging 7.6m (25ft.) thick grading 2.82 g/t PGE, 0.78% Cu and 1.61% Ni. The following is a detailed breakdown of the full PGE (Pt, Pd, Rh, Ir, Ru, Os) + Ni-Cu mineralization:
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From To Thickness Cu % Ni % Pt g/t Pd g/t Rh g/t PGE g/t (m) (m) (m) ------------------------------------------------------------------------ 7.7 15.3 7.6 0.78 1.61 0.90 1.62 0.11 2.82 Incl. 7.7 12.3 4.6 1.07 1.82 1.00 1.79 0.11 3.07 Incl. 12.3 14.1 1.8 0.26 0.45 0.10 0.44 0.03 0.65 Incl. 14.1 15.3 1.2 0.45 2.58 1.70 2.75 0.26 5.11 ------------------------------------------------------------------------
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Of note and exploration interest, by removing the 1.8 metres (12.3m to 14.1m) of low grade mineralization hosted in a pegmatite dyke, as described above, this intersection would average 5.8m (19ft.) thick grading 3.49 g/t PGE, 0.94% Cu and 1.98% Ni.
Of economic interest, based on the December 31, 1999 closing spot prices for Cu ($US 0.84/lb), Ni ($US 3.85/lb) and full PGE's ($US 2,813/oz), the following table compares the in-situ value of this single (i.e. 7.6m) intersection to other PGM +Ni/Cu producers around the world. Also, this simple comparison portrays where Uravan is in the development of this property and where we are going:
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---------------------------------------------------------- Merensky UG2 Reef, Sudbury, RL99001 Reef, SA SA CDN Rottenstone, CDN ---------------------------------------------------------- $US 117/t $US 120/t $US 130/t $US 175/t ----------------------------------------------------------
---------------------------------------------------------- Noril'sk- Raglan, Stillwater Rottenstone Talnakh, CDN Complex, Mine,
CIS USA CDN ---------------------------------------------------------- $US 309/t $US 336/t $US 396/t $US 406/t ----------------------------------------------------------
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By viewing this drill intersection with the preliminary surface data plot of the Ni and Pt + Pd tree top biogeochemical results (Ni, Pt/Pd maps attached), the significance of this intersection takes on a much larger dimension. Some of the more impressive biogeochemical results occur in a >2.0 sq. km area centered over the Rottenstone deposit ("Rottenstone Anomaly") and drill hole RL99001. The contoured outline of this anomaly, representing the most enriched concentrations, encloses persistent Pt+Pd and Ni anomalies ranging from 15-167 ppb Pt+Pd and 190-1510 ppm Ni. Of exploration importance, 500 m east of the Rottenstone mine and just south of the coincident MAG high and TEM Conductor B, some of the strongest concentrations occur, amounting to 221, 495, 524 ppm Ni and 29, 51, 167 ppb Pt + Pd. To put these numbers in perspective, the cut-off value (i.e. "back-ground" or mean value) for Pt+Pd is 10 ppb and Ni at 125 ppm. What this means is that all values over 10 ppb Pt+Pd and 125 ppb Ni represent metal concentrations in the substrate absorbed by the root system of the trees sampled from a source enriched in these metals. The source of the metal concentrations, according to the experts, is thought to be near by, possibly lying directly beneath the tree top sampling and drilling activity taking place. Conclusion, more drilling is required to work out the structural and geological complexities currently masking the existence of "Mother" Rottenstone.
In preparation for a major winter drill program scheduled to commence in March 2000, the Rottenstone grid has been expanded to cover areas previously restricted due to lake coverage and in areas having Pt/Pd/Ni concentrations as identified by the tree top biogeochemical survey. A Quantec geophysical crew is currently in the field to complete the ground TEM and TFM surveys over the "expanded grid" area. The data generated from the expanded geophysical survey, when evaluated with the tree top biogeochemical survey and landsat imagery, will provide another invaluable level of technical information in preparation for this major drill program.
Uravan has engaged IBK Capital Corp., an investment-banking firm from Toronto, as Uravan's fiscal agent for accessing project financing.
Other news of note, Uravan will be launching a new and updated website in early February 2000, with the domain name: www.uravanminerals.com. We at Uravan would like to invite all interested parties to visit our website and hopefully understand more about our projects, who we are, and where we are going.
Respectfully Submitted,
Larry Lahusen, President
This news release contains forward-looking statements regarding biogeochemical results, drill results, upcoming programs, economic projections and project financing activities. Actual results may differ materially from those currently anticipated by Uravan in such statements.
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