NuLegacy Gold Corporation reports on the winter 2019 exploration program on its flagship 108 sq. km Red Hill gold property in the Cortez gold trend of Nevada.
The winter program consisted of five core holes totalling 2,230 meters (~7,300 ft) on both flanks of the Rift Anticline target and a CSAMT survey over the Rift Anticline. Four holes were drilled on the eastern flank of the Rift Anticline, including two at Western Slope and two at the Serena Offset targets, with one incompletion on the western flank in the 4Mile Look-a-like target.
Hole WS19-02, drilled on the eastern flank of the Rift Anticline1, returned a high-grade interval grading 9.6 grams/ton gold over 5.2 meters starting at 353 meters (with an internal spike to 25 grams/ton gold) within 27.1 meters of the strongly altered (silicification, decarbonatization and brecciation) favourable Wenban5 horizon and contained elevated gold values (greater than 200 ppb) throughout.
This is another in the series of the significant high-grade albeit only moderately thick intercepts that have been encountered across a span of ~1,400 meters from the North Iceberg (11.0 grams/ton gold within 12.2 meters) through the Serena zone (16.9 grams/ton gold within 8.7 meters)2, and now the Western Slope (9.6 grams/ton gold within 5.2 meters) vectoring towards the northeast-southwest trending Rift Anticline. Rift Anticline Goldrush Analogue Slide #4
“These are significant results”, commented Ed Cope, NuLegacy’s Director of Exploration3, “as the intense alteration accompanied by high-grade (greater than 10 gram/tonne) gold values intersected in these holes indicate the presence of a robust Carlin-type mineralizing system capable of producing a significant gold deposit in the Rift Anticline target abutting to the west.”
Thick intervals of high-grade gold within a distinctive anticlinal structure and highly fractured geochemically favourable gold bearing Wenban5 stratigraphic horizon are characteristic of what make Barrick Gold’s three multi-million-ounce gold deposits (the Pipeline, Cortez Hills and Goldrush deposits4) on trend immediately to the north so valuable5. The high-grades commonly occur at the intersection of northeast trending high-angle faults and low-angle thrust faults when these intersections occur within the favourable Wenban5 stratigraphic horizon. The Wenban5’s elevated iron content acts to enhance the precipitation of the gold from the gold-bearing hydrothermal fluids as they pass through that horizon.
Importantly the analysis of the CSAMT survey conducted across the Rift Anticline indicates that the favorable Wenban5 horizon hosting the high-grade ‘sniffs’ that NuLegacy has encountered to date extends to as much as 1,500 meters across the Rift, and, that it is as much as 90+/- meters thick as affirmed by the proximal hole WS18-01. Rift Anticline Goldrush Analogue Slide #6
The survey analysis also shows the thicker Wenban5 horizon is significantly more fractured with multiple high-angle faults intersected by a swarm of low-angle thrust faults starting ~ 150 meters to the west of WS18-01, creating multiple conduits for gold-bearing fluids.
CSAMT geophysical surveys (Controlled-source Audio-frequency Magnetotellurics6) have proven particularly effective in identifying the intersections of the high-angle northwest crosscutting faults and the low-angle thrusts faults that function as important conduits for the gold-bearing fluids.
As well the suite of six CSAMT lines surveyed across the Rift indicate that the geochemically favourable Wenban5 formation in the Rift Anticline is ~4.5 kilometres long on its northwest-southeast trending strike and open on both ends. Rift Anticline Goldrush Analogue Slide #5
Additional CSAMT surveys will be conducted this spring, as soon as weather conditions permit, to determine the full length of the Rift Anticline, as it parallels the western boundary of NuLegacy’s property, to facilitate road access and drill site planning.
All the assay data, core logging, COLOG acoustic tele-viewer information, and CSAMT data is currently being incorporated into an updated geologic model for additional analysis. Once the analysis is completed, a determination will be made as to whether follow up drilling is warranted on the flanks or should be focused entirely on testing the Rift Anticline target.
Of the remaining three holes drilled on the east flank WS19-01C encountered weak gold and trace element values through most of its length and terminated in unit Wenban4 with the last 1.5 meters of the hole returning 2.63 g/t gold, suggesting that mineralization may occur deeper in the section. Holes SO19-01C and SO19-02C, drilled in the Serena Offset target just west of the Serena deposit intersected strong alteration and trace-element geochemistry without significant gold values, indicating that the main part of that gold system is likely northwest of the Serena Offset. Core hole 4M19-01, drilled to test the Four Mile Lookalike target on the west flank of the Rift Anticline, was lost before reaching target depth due to technical drilling difficulties, so it was unable to fully evaluate the lower target.
A US$400,000 permitting program is underway to fulfil our environmental permitting responsibilities for the Rift Anticline. This permit will incorporate the three NOI’s (Notices of Intent) on the flanks of the Rift (which allowed 5 acres of permissible disturbance per NOI that are largely exhausted by the drilling to date) into one much larger 8,500-acre Plan of Operations with an initial 100 acres of permissible disturbance. The substantially larger disturbance allowance will provide NuLegacy flexibility in planning and permitting drill sites for the follow up drilling.
Mark Bradley, NuLegacy’s newly enrolled Exploration Manager7, says: “Our conversations with the U.S. Bureau of Land Management indicate we should complete the permitting of this expansion in time for a winter 2020 drilling program on the Rift Anticline.”
Roger Steininger8, a Director of NuLegacy, is a Certified Professional Geologist (CPG 7417) and NuLegacy’s qualified person as defined by NI 43-101, Standards of Disclosure for Mineral Projects, responsible for approving the scientific and technical information contained in this news release.
About NuLegacy Gold Corporation:
Focused on confirming high-grade Carlin-style gold deposits on its premier 108 sq. km (42 sq. mile) district scale Red Hill Property in the Cortez gold trend of Nevada. The Red Hill Property is located on trend and adjacenti to the three multi-million ounce Carlin-type gold deposits (the Pipeline, Cortez Hills and Goldrush deposits) that are amongst Barrick Gold’s largest, lowest cost and politically safest gold minesii.
i The similarity and proximity of these deposits in the Cortez Trend is not necessarily indicative of the gold mineralization in NuLegacy’s Red Hill Property.
ii As extracted from Barrick’s Q4-2013 and Q1-2014 reports.
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