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Copper Reef Mining Corporation

Projects

Sewell Lake

Property For Option Or Joint Venture


Sewell Lake Property Location Map

The Sewell Lake Property consists of 6 claims comprising 989 ha. The contiguous claims are owned 100% by Copper Reef Mining Corporation and are not subject to any royalties. The Sewell Lake property is located approximately 25 km due west of Snow Lake, Manitoba (50 km by road), NTS 63K16. The Sewell Lake project is located 50 km west of Snow Lake in the Dickstone- Spruce Point Mine Stratigraphy (Reed Lake), Snow Lake Area. Access is by all weather roads Rail Bed and Dickstone Mine Rd west of the Chisel Mine. Copper Reef owns the Dickstone Mine Road.


Highlights


Sewell Lake Property(dark green) Claim Map

-Two mineral deposits are in the vicinity of the Sewell Lake Property; the past producing Dickstone Mine, 3 km north of the property, and the undeveloped Rail Lake Zone, 1.4 km southwest of the property.

-There are four drill ready untested HLEM anomalies in Sewell Lake. The three eastern anomalies (B1, B2 & B3) and the northern anomaly (B4) represent the contact between the Preaston and the Dickstone Formations along a F2 anticline fold axis (Horizon One). This contact is known to host mineralization, i.e. the No.1 Lens of the Dickstone Mine.

-There is a drill ready untested HLEM anomaly (C) near the west shore of Sewell Lake which was reported by Buhlmann (1997). This anomaly may be representative of Horizon One or may be a mineralized horizon within the Dickstone Formation. Trace chalcopyrite +/- malachite mineralization and chlorite-sericite alteration do occur along the shoreline in 1-6m wide shear zones.

- There are two untested airborne EM are located SW of Sewell Lake. The property has recently been logged by Tolko and this has provided new outcrop exposure.

-The four zones with strong potential for mineralization along the "Dickstone Horizons" should be tested given the producing economic history of this stratigraphic horizon.



SEWELL LAKE PROJECT Cu, Zn, Ag, Au

The Sewell Lake Property was acquired during the settlement agreement with Foran. The property was originally staked on its merits of hosting the Dickstone Mine- Rail Lake Horizon. Other than Mapping and some ground magnetic/VLF; and HLEM geophysical surveys in 1998, little has been done since till the VTEM35 airborne survey was flown over it in 2010.

Two mineral deposits are in the vicinity of the Sewell Lake Property; the past producing Dickstone Deposit, 3 km north of the property, and the undeveloped Rail Lake Zone, 1.4 km southwest of the property. From 1965-1975, the Dickstone Mine produced 775,000 metric tonnes grading 2.4% Cu, 3.12% Zn, 12.5 g/t Ag & 0.58g/t Au. The remaining in-situ tonnage includes 304,000 tonnes of 2.43% Cu, 4.5% Zn, 10.6 g/t Ag and 0.41 g/t Au (Fedikow et al., 1989). The Rail deposit is undeveloped. The Rail Deposit has a NI 43-101 indicated resource of 822 000 tonnes at 3.04% Cu, 0.90% Zn, 9.3g/t Ag and 0.7g/t Au. The Rail NI 43-101 Indicated Resources was completed by SRK Consulting and titled Mineral Resources Evaluation; Rail Polymetallic Sulphide Deposit, Snow Lake, Manitoba, dated December 19, 2010. The distance between the Dickstone deposit to the north and the Rail Lake deposit to the southwest is 15 kilometres. The Sewell Lake Property is situated between two deposits occupying more than 7 km of the highly prospective Dickstone Formation rhyolite horizon.


A Regional Geology Map of the Sewell Lake Property

A Regional Map showing the Sewell Lake Property in the relation to the Dickstone mine to the northeast and The Rail Deposit to the south west. (Revised from Rockcliff Resources Inc.)



VTEM 2010 EM Profiles over the Northstar - Sewell Lake Group

Mapping of the Sewell Property has located two stratigraphic horizons on the property which represent the southern strike extension of the horizons which host the No.1 and No.2 Lenses of mineralization at the Dickstone Mine.



Geophysical Compilation Map

Recommended Grid Locations (Raoul 1998)


Recommendation on the Sewell Lake Property (from Raoul 1998)

The following recommendations are based on a multi-year program of exploration on the Sewell Lake Property. The grids were prioritized; P1, P2 & P3. Priority one grids (A, B, C) were designed to enable a more detailed investigation of certain areas of the property with the highest indicated potential. Ground geophysical surveys (HLEM, MAG and VLF) are proposed for each grid to define any anomalies for summer mapping and possible related drill programs.

The following program is recommended to define drill targets:

  1. Establish 3 grids (A, B, C) on the Sewell Lake Property. The grids will be:
    • Grid A: 1.2 km by 2.0 km with baselines @ 030° and winglines very 100m @ 300°.
      Grid B: 1.5 km by 2.0 km with baselines @ 030° and winglines very 100m @ 300°.
      Grid C: 1.2 km by 2.0 km with baselines @ 030° and winglines very 100m @ 300°.
  2. Carry out HLEM, VLF & MAG on these grids to better re-define the following anomalies:
    1. HBED's 1957 HLEM conductors on the ROX Claims (Ref: MOR 1, 8 & 9)
    2. HBED's 1971 HLEM conductors on Sewell Lake (Ref: MOR 1,2,3,4)
    3. Noranda's 1972 Airborne EM & MAG anomalies on the Sewell Lake Property
    4. Granges' 1978 HLEM conductors on Preaston Lake.
  3. Three drill holes (600m) to test Horizon One, the contact of the Preaston and Dickstone Formations, i.e. the horizon which has the Lens No.1 of the Dickstone Mine. Three drill holes (600m) to test Horizon Two, the contact between the Dickstone and Storozuk Formations, i.e. the horizon which has the Lens No.2 of the Dickstone Mine. The location of these drill holes would depend upon the results from the new geophysical surveys.

The following program is recommended:

  1. Detailed mapping of the proposed grids (A, B & C) at 1:2500 and infill the lithogeochemical survey from the 1998 reconnaissance mapping. This will better define the location of the mineralized horizons by focusing in on areas of more intense alteration and mineralization with the sole objective of better defining drill targets.
  2. Reconnaissance mapping the Northeast Extension of the property in order to:
    1. sort out with greater certainty the stratigraphy and structure, focusing on the potential mineralized horizons and any repetition of these by thrust faulting.
    2. examine, map and sample all potential massive sulphide horizons and adjacent rocks on the property to ascertain their base metal potential.
    3. examine the areas in the vicinity of all geophysical EM and magnetic anomalies (where possible) to determine their cause and base metal potential.

PREVIOUS EXPENDITURES $265,000.00

BUDGET:

A total Budget of $600,000.00

Approximately $300,000.00 is needed for linecutting, Mag/VLF survey and detailed mapping and sampling of all three grids. Another $300,000.00 is needed for 3 drill holes (600m) to test Horizon One, the contact of the Preaston and Dickstone Formations and 3 drill holes (600m) to test Horizon Two, the contact between the Dickstone and Storozuk Formations. This is an ideal program, a more modest program could be undertaken

 
  ©2014 Copper Reef Mining Corporation
Copper Reef Mining Corporation