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Sturgeon Lake Property

STURGEON LAKE MINING CAMP DISTRICT
NORTHWESTERN ONTARIO, CANADA

UPDATE
"The dotted black oval, applied to the SGH Pathfinder Class maps on page 19, outlines an area where the SGH data predicts the outer boundary of a potential VMS type target. The plan map on the left on page 19 is an SGH Pathfinder Class map for VMS that is expected to exhibit an apical anomaly while the SGH Pathfinder Class map on the right is expected to show a corresponding halo anomaly. The dotted black oval around the apical anomaly on the left hand Pathfinder Class map nicely supports the halo anomaly on the right hand Pathfinder Class map at Lines 37-38. This type of confirmation is expected and is part of the SGH signature for over VMS type mineralization. This is also excellent confirmation of the interpretation of the presence of a REDOX cell which is also often indicative of the presence of buried mineralization and bacteriological activity. Other SGH Pathfinder Class maps (not shown) also agree on the assignment of this interpretation. The highest response for the central apical anomaly on the left hand SGH Pathfinder Class map thus represents the most probable location of a vertical projection over the centre of the target at depth...."

Click here to see news release



Land Position


History


Exploration Plan




Excalibur began staking the Sturgeon Lake property after recognizing that the majority of significant geophysical conductors identified in the Sturgeon Lake camp in a 1990's government survey are located on the property being staked and that the area was never thoroughly explored. Past drilling is minimal to non-existent over most of the property. The Company has determined from historical data that surveys undertaken on the west side of the property confirm that identified geophysical conductors are sulphide rich, including the presence of massive sulphide lenses. The Excalibur property contains numerous extensive zones of multiple sub-parallel and stacked sulphide-bearing conductors that cumulatively exceed 100 km of strike length.


In addition, the identified geophysical conductors are located along strike of six mined VMS (Volcanogenic Massive Sulphide) deposits in this mineral belt. The most notable former mines in the area included operations containing high-grade zinc-copper-silver with associated lead and gold. The well-known Mattabi, Lyon Lake and Sturgeon Lake mines operated in proximity and along strike of the Company's current property location. Due to a cyclical downturn in metal prices, the mines terminated production in the 1980's and early 1990's.

Exploration Results
Toronto; Excalibur Resources Ltd. (the "Company") has received positive results from a VTEM survey of its 88 km2 Sturgeon Lake property in north western Ontario performed by Geotech Ltd. of Aurora, Ontario. Geotech offers full-service airborne geophysical surveys worldwide using their proprietary low frequency and large dipole moment VTEM (Versatile Time-Domain ElectroMagnetics) system, which can penetrate over 300 meters below surface. The VTEM survey of the Sturgeon Lake property has detected areas that are both high conductance and magnetic anomalies. Results of this type are similar to the electromagnetic characteristics of Volcanogenic Massive Sulphide (VMS) deposits. The Company, with the assistance of Geotech, is further analyzing the VTEM data to help identify targets to be drilled in the 2010 exploration campaign. Excalibur's Sturgeon Lake property is directly along strike and to the east of 6 VMS deposits that were mined between 1970 and 1990.

Jean Legault, Manager Data Processing and Interpretation, Geotech Ltd. of Aurora, Ontario commented: "The VTEM analysis that Geotech performed at Sturgeon Lake for Excalibur Resources identified targets with apparent size and conductance that are consistent with massive sulphide signatures. Maxwell modeling will be done on areas where the sulphides appear to be thickest and most conductive." The Maxwell modeling provides an estimate of the size, shape and dip of the conductive body, which will be used to help guide the drill program.

Dr. Hamid Mumin, Professor of Geology at Brandon University, and consultant for the project, said that "Significant geophysical targets have been identified for drilling within Excalibur's claim along strike from past-producing mines. These geophysical targets are comparable to the geophysical signatures of VMS deposits in other camps, and accentuate the high prospectivity of the property."


Sturgeon Lake Property VTEM Plots

Glitter Lake Block of Properties (Western part of property)
1. 9053_10k_2HDTMI_West: Second Horizontal Derivative of Total Magnetic Intensity with Z-Component dB/dt Calculated Time Constant (Tau) Contours
2. 9053_10k_Bfieldz_West: B-Field Z Component Profiles Time Gates 0.234ms to 6.578ms over a Total Magnetic Intensity Colour Image
3. 9053_10k_CVG_West: Calculated Vertical Magnetic Gradient (CVG)

Grid Iron Lake Block of Properties (Eastern part of property)
4. 9053_10k_2HDTMI_East: Second Horizontal Derivative of Total Magnetic Intensity with Z-Component dB/dt Calculated Time Constant (Tau) Contours
5. 9053_10k_Bfieldz_East: B-Field Z Component Profiles Time Gates 0.234ms to 6.578ms over a Total Magnetic Intensity Colour Image
6. 9053_10k_CVG_East: Calculated Vertical Magnetic Gradient (CVG)


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This page was created on Wed Sep 8, 2010 at 5:51:16 AM Pacific Time.