Stealth Minerals Limited

Stealth Minerals Limited

December 13, 2006 09:15 ET

Stealth Minerals Limited: Large-Scale Drill Target Defined Sofia Copper-Gold Porphyry Prospect

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - Dec. 13, 2006) - Stealth Minerals Limited (TSX VENTURE:SML) -

The combination of the airborne geophysical signatures, ground chargeability values and geological mapping and their relative positions indicates that a large-scale sulphide-rich porphyry system is present. The prospect has not been subject to drilling and Stealth intends to conduct a reconnaissance style drill program on the Sofia prospect in 2007 to investigate the causative nature of this extensive chargeability response.

The 2006 Induced Polarization survey (chargeability, resistivity and magnetic) has extended the geophysical anomaly at the Sofia copper-gold porphyry prospect 1,000 metres to the north and 1,000 metres to the west. The area of moderate-to-high chargeability is now approximately 1,800 metres east west by 2,000 metres north south, and 300 metres in depth. It is open to the east, north and to depth. The Sofia intrusive hosted chalcopyrite-magnetite outcrop was discovered in 2004 by Stealth Minerals.

The IP anomaly curves gently around the eastern flank of a 6 km circular airborne magnetic-high geophysical anomaly. The airborne magnetic geophysical feature exhibits a 2 km diameter potassic-high, thorium/potassium-low signature at its center, which is magnetic destructive, resulting in a doughnut shaped magnetic anomaly. The position and pattern of the chargeability anomaly within the airborne features conforms to a widely accepted geological model (Lowell and Guilbert, 1970) that describes the mineral zonation and alteration of copper porphyry systems.

On the ground, this magnetic destructive potassium-high core area corresponds to the known area of high- and low-sulphidation alteration and the occurrence of gold and silver mineralization in outcrop and drill core at Quartz Lake. The gold and silver mineralization at Quartz Lake occurs at an elevation between 1,400 and 1,600 metres and is hosted in the overlying volcanic rocks. The Sofia intrusion outcrops at 1,100 metres elevation, and it contains five stages of cross cutting quartz, quartz-magnetite, magnetite-chalcopyrite veins and veinlets. The strong and pervasive alteration assemblage in the intrusion consists of potassium feldspar and secondary biotite in adjacent mafic volcanic rocks. The Quartz Lake veins exhibit potassium alteration expressed as potassium feldspar wall rock flooding going to sericite plus illite and adularia in vein selvages.

The alteration sequence of potassic to phyllic to argillic to propylitic at Sofia is now fully documented by geophysics and geological mapping. The position of the "ore shell" as defined by the model coincides with the boundary that separates the potassic from phyllic alteration.

The Sofia property is underlain by shallowly west dipping Jurassic aged intermediate subareal volcanics intruded by a shallow westerly dipping quartz-magnetite-K-spar altered monzonite intrusive. The volcanic rocks overlying the monzonite intrusion host both high- and low-sulphidation epithermal alteration and mineralization suites. Age dating has placed the high-sulphidation alunite-silica alteration and mineralization coeval with the intrusion and roughly 5 million years older than the low-sulphidation quartz-chalcedony-amethyst adularia veins at Quartz Lake.

The Sofia porphyry showing is one of seven high-priority showings that exist on the 9,078 hectare Sickle-Sofia property.

The Sofia showing is on one of six properties explored as part of the 2006 program by Stealth Minerals on its Toodoggone Project. The properties are located in north central British Columbia approximately 430 kilometres northwest of Prince George. Stealth Minerals controls 172 mineral claims (Approximately 700 km2) in the Toodoggone District, Omineca Mining Division.

The Sickle-Sofia property is one of Stealth's 12 BC properties subject to the Stealth-BCGoldcorp agreement dated September 14th 2006. Stealth holds a 100% interest in the Sickle-Sofia property. Certain of the claims are subject to a 3% NSR that can be reduced to 1% on base and 1 1/2% on precious metals by way of cash payments.

The geophysical survey was conducted by Peter E. Walcott & Associates Ltd of Vancouver BC. Assaying was conducted by Eco-Tech Laboratories in Kamloops BC and Assayers Canada of Vancouver BC.

Fieldwork, data compilation and interpretation are under the direction of Dave Kuran, P. Geo., who is the qualified person for the Company.


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