Nimy Resources (ASX: NIM) has completed three Down Hole Electro-Magnetic (“DHEM”) and Fixed Loop EM surveys (“FLEM”) at the Masson Discovery.
“The FLEM and DHEM surveys at Masson have delivered a significant target size increase to the nickel, copper, cobalt and PGE in sulphide discovery. GAIP, DHEM and MLEM surveys at Block 3 and Vera’s Gossan are near completion and we eagerly await the final results to enable reporting early next week.” Said Nimy executive director Luke Hampson.
The Masson Copper-Nickel prospect was discovered following EM surveys and drilling during 2023 and confirmed during 2024. The discovery hole assay results were reported on 17th October 2023 including:
- 10m from 98m @ 0.42% Ni, 0.39% Cu, 0.04% Co, and 0.32g/t PGE’s (Pt, Pd);
- including 5m @ 0.73% Ni, 0.53% Cu, 0.06 % Co, and 0.55g/t PGE’s (Pt Pd) from 102m (hole NRRC100)
Follow up EM and drilling has shown Masson to contain a sulphide zone containing nickel, copper, cobalt, and PGE mineralization in massive, semi massive, and disseminated sulphides from a true depth of 88m to 187m.
The new anomalies extend down to 225m remaining open at depth. The reported DHEM at NRRC119 shows that Masson has two main conductor trends which dip steeply and are highly conductive (modelled at 10,000S). Due to the size and conductance of these plates, the depth extension remains open and will be a focus of further modelling leading into a drilling campaign to test the extension and beyond. DHEM at holes NRRC112 (north of NRRC119) and NRRC114 (south of NRRC119) both contained relatively weak in-hole responses and have been modelled with smaller plates.
Interestingly, both holes recorded a large, broad late-time anomaly which could be fitted with one large and conductive 60m x 100m plate which lies about halfway between the two holes. This distant plate sits in the general area where all of the previous DHEM, FLEM and MLEM plates have been modelled.
“The implication for Masson is that the drilled shoot of massive copper-nickel sulphide will extend at depth, the higher conductivity of the modelled plates at a 10,000 siemens count is a 2000 siemens increase and could lead to increased mineralization at depth at Masson. Given the early discovery success, more of the VTEM anomalies in the northern portion of the Mons Project will be prioritized for drilling. Results continue to indicate the new greenstone belt covered by the Mons tenements is fertile for intrusion-related base-metal sulphides.” Added Luke.
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