TORONTO, September 4, 2013 /PRNewswire/ --
- Two high grade nickel intersections with significant off hole electromagnetic anomalies
- Down hole Crone electromagnetic surveys indicate strong conductivity off hole from Mex-50 and Mex-111
- New geophysical and drilling results indicate potential for semi-massive to massive sulphide mineralization
Duluth Metals Limited ("Duluth Metals") (TSX: DM) (TSX: DM.U) is pleased to announce that a zone of high grade nickel-copper mineralization has been intersected on the southern edge of the Maturi Deposit within the Twin Metals Minnesota ("Twin Metals") Project in northeastern Minnesota. Drilled as part of the metallurgical program, Hole MEX276-W1 intersected 26.5 feet of 3.93% nickel, 0.68% copper, 0.44 g/t silver, and 0.44 g/t TPM (TPM = Platinum+Palladium+Gold). A follow-up hole, MEX-468, drilled approximately 300 feet to the southwest intersected 15.0 feet of 1.52% nickel, 0.99% copper, 0.50 g/t TPM. Crone down-hole electromagnetic surveying in MEX-468 has confirmed extensive off-hole conductivity. As the drill holes are within the margin of an extensive coincidental conductive zone, there is strong potential for additional higher grade mineralization within this area.
Geophysical Crone down-hole electromagnetic (EM) surveying in drill-holes MEX-50, MEX-111 and MEX-468 has shown strong conductivity off-hole from MEX-50 and MEX-111 in a zone extending 2500 feet long by 500 to 1000' wide with better conductivity in the immediate vicinity of MEX-468 as shown in Figure 1. The new nickel mineralization occurs as massive to semi-massive sulphides, at, or immediately below the contact between the South Kawishiwi Intrusion and the Giants Range batholith. On time, step response data from the Crone survey, indicates a zone of higher conductivity in close proximity to MEX-468, within the larger conductive zone. Higher conductivity is indicative of greater concentrations of conductive minerals, such as massive sulfides.
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