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Heron Resources announces G2 Lens drilling at Woodlawn delivers high grade assays in Australia

Mining News - Published on Tue, 25 Sep 2018

Image Source: Junior Mining Network
Heron Resources Limited announced that it has received the final assays for the extensional and infill drilling program of the shallow G2 Lens at its wholly-owned Woodlawn Zinc-Copper Project, located 250km south-west of Sydney, New South Wales, Australia. These intercepts confirm the high-grade base-metal mineralisation within the lens and have better defined the limits of the area. The G2 Lens will provide early-stage production for the operation. Commenting on the intercepts, Heron Resources Managing Director and CEO, Mr Wayne Taylor said that ‘The completion of the G2 Lens drilling program is an important step for the early producthn schedule of the mine in 2019. While structurally complex, the often high-grade nature of the lens should provide a good source of early underground ore to the processing plant; furthermore this mineralisation is in addition to the published reserves for the project. Also given the good metallurgical performance from the G2 mineralisation it will be ideal material for commissioning the first underground ore through the plant. Our geologists and engineers are currently completing detailed modelling to optimise the planned production from this area.”

G2 Lens Drilling
The G2 Lens is located adjacent to the planned route of the decline at 120m to 150m below the surface, and represents the first underground production source that will be processed through the plant. As part of this 2018 program, a total of 14 DDH for2,411m(WNDD0138to WNDD0151) have been drilled to better define the limits and delineate the G2 Lens. The drilling has provided better assurance as to the boundaries and structure of the G2 mineralisation which is showing to be structurally complex.

The results from intercepts in both the G2 Main and G2 Hanging Wall Lenses are provided in summary form in Figures 1 and 2. The G2 Hanging Wall surface continues to be characterised by high grade gold and silver levels within the massive and stringer sulphide zones with results up to 14.2 g/t Au and 1,035g/t Ag over 2.0m in hole WNDD0150. These are some of the highest precious metal intercepts recorded at Woodlawn. The program has extended the G2 lens further towards the rhyolite contact in the south. Significant new higher-grade intercepts include:

G2 Metallurgical Results
As previously reported on the 8th May 2018, the metallurgical test work for the G2 Lens provided results that indicated better performance than the feasibility study assumptions. Copper and lead concentrates are of very good quality, and are well above the targets that were established for the feasibility. Zinc concentrate grades and recoveries are also good, being on or slightly better than target. Also, the G2HW sample contained notably higher grades of precious metals in the feed ore with resulting elevated silver and gold grades reporting through to the copper and lead concentrates, dramatically increasing the value of these concentrates.
The strong metallurgical test work results returned for the G2 mineralisation provides the Company with confidence that these ore types will be able to be readily processed through the plant and may provide the project with improved revenue results in the early stages of underground mining operations.

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Posted By : Rabi Wangkhem on Tue, 25 Sep 2018
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