Los Cerros Limited’s (ASX: LCL) first diamond hole KU23DD001, into the Kusi prospect in Papua New Guinea, has returned 15.2m @4.45g/t Au (from 138.2m) within a broader interval of 76.4m @1.34g/t Au (from 106.9m) providing proof of concept that the Upper Limestone skarn mineralization is continuous and potentially widespread.
KU23DD00, testing the Upper Limestone skarn target, entered the targeted skarn gold mineralization for a 76.4m downhole width from 106.9m, including 15.2m of high-grade gold grading 4.45g/t Au from 138.2m. The hole then intercepted weakly mineralized phyllite at 183.3m, consistent with modelled expectations, and remained in phyllite until EOH at 195.2m.
Drill hole KU23DD001 is centrally located between historical drill intersections of the mineralized skarn limestone unit of 20m @2.89g/t Au in KSDD004 and 35m @3.04g/t Au in KSDD007. A ~300m zone of mineralized Upper Limestone skarn is now defined from Los Cerros’ Trench 1 (20m @3.84g/t Au) in the south through to KSDD004, KU23DD001 and then KSDD0071 to the north.
The highest-grade mineralization, including visible gold (31.7g/t Au from 147.5-147.95m) is associated with semi-massive pyrite-sphalerite-chalcocite and green garnet alteration.
Los Cerros’ second and third drill holes, KU23DD002 and KU23DD003, drilled east and south respectively from the same pad as KU23DD001 are completed.
Both drill holes intersected broad zones of Upper Limestone skarn mineralization at target depths. Assays are pending. Hole KU23DDH004, drilling northwest from the same pad has commenced.
These drill results, combined with historical drill and surface assay results plus recent field mapping, provides further confidence to Los Cerros’ exploration concept that the Upper Limestone skarn mineralization is both continuous and widespread.
“The first drill hole is considered a strong success and has given us added comfort that the Kusi Upper Limestone skarn mineralization is a worthy target capable of delivering large tonnage and grade. Our 3,000m drilling programme remains on schedule and on budget, with the next drill results release expected in the second half of May,” Managing Director, Jason Stirbinskis, said.
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