Leviathan Gold Ltd. (TSX-V: LVX) (Germany: 0GP) is pleased to announce that further to its press release of February 20, 2021 in respect to initial results of drilling at the Avoca project in the Victorian goldfields, Australia, that results have been received for a further two holes of this program.
The best interval from these holes is 5.40 g/t Au over 11.02 meters from 84.37 meters, including 17.72 g/t over 2.19 meters returned from hole EH005, drilled at the Excelsior Reef. EH005 was collared approximately 30 meters east of holes EH002 and EH003 and was drilled at the same inclination and a similar azimuth as the latter. This interval is thought to represent both the strike extension of mineralization observed in holes EH002 and EH003, as well as the down-dip continuation of mineralization observed in historic mine workings. As with hole EH003, hole EH005 is characterized by quartz veining and enveloping sericitic alteration and base metal sulphides.
Leviathan Gold Chief Executive Officer, Luke Norman, remarked: “We are very pleased that drilling at the Excelsior Reef continues to confirm not only the presence of high-grade gold mineralization across multiple sample intervals, but also the initial stages continuity of this mineralization between drill hole. These results are consistent with structural observations gathered by our geological team prior to the receipt of assays – thereby validating our approach of applying modern drilling and exploration techniques in and around areas of historic mine workings. The results of a further eight drill holes from this program remain outstanding, and the prioritization of further targets is ongoing”
A total of 1917 meters in 11 holes have been drilled at Excelsior to date. Highlights of results to date are provided in Table 1, collar information in Table 2, and full results in Table 3. A plan of drilling at Excelsior is shown in Figure 1, and a section in Figure 2. The balance of results is awaited and will be reported on in due course. Drilling at Excelsior forms part of a greater program of approximately 30,000 meters that Leviathan is currently deploying at Avoca and Timor.
Table 1: Significant intervals from drilling at the Excelsior Reef.
Drill Hole | From | To | Interval | Au |
(m) | (m) | (m) | (g/t) | |
EH005 | 84.37 | 95.39 | 11.02 | 5.40 |
including | 84.37 | 86.56 | 2.19 | 17.72 |
Table 2: Collar data for drilling at the Excelsior Reef.
Drill hole | Easting (MGA54) |
Northing (MGA54) |
Elevation | Azimuth | Inclination | Length |
(m) | (°) | (°) | (m) | |||
EH001 | 726,152 | 5,899,524 | 236.58 | 153.30 | -60 | 172.0 |
EH002 | 726,205 | 5,899,555 | 236.11 | 165.00 | -60 | 99.1 |
EH003 | 726,205 | 5,899,555 | 236.11 | 165.00 | -75 | 257.0 |
EH004 | 726,240 | 5,899,555 | 239.88 | 162.10 | -60 | 128.0 |
EH005 | 726,240 | 5,899,555 | 239.88 | 159.50 | -75 | 147.1 |
EH006 | 726,280 | 5,899,566 | 236.17 | 163.00 | -60 | 115.0 |
EH007 | 726,280 | 5,899,566 | 236.17 | 159.70 | -75 | 158.8 |
EH008 | 726,125 | 5,899,455 | 235.45 | 165.00 | -60 | 170.0 |
EH009 | 726,125 | 5,899,455 | 235.45 | 165.00 | -75 | 200.0 |
EH012 | 726,196 | 5,899,700 | 240.00 | 154.00 | -50 | 280.0 |
EH013 | 726,280 | 5,899,560 | 240.00 | 90.00 | -60 | 149.6 |
Table 3: Full results by sample interval of drilling at the Excelsior Reef (this release).
Drill Hole | From | To | Interval | Au |
(m) | (m) | (m) | (g/t) | |
EH004 | 37.35 | 37.55 | 0.20 | 0.05 |
EH004 | 37.55 | 37.75 | 0.20 | 0.04 |
EH004 | 78.00 | 78.50 | 0.50 | 0.02 |
EH004 | 78.50 | 79.00 | 0.50 | 0.07 |
EH004 | 79.00 | 79.42 | 0.42 | 0.06 |
EH004 | 79.42 | 79.86 | 0.44 | 0.01 |
EH004 | 109.40 | 109.70 | 0.30 | 0.02 |
EH004 | 109.70 | 110.10 | 0.40 | 0.01 |
EH004 | 110.10 | 110.35 | 0.25 | 0.05 |
EH004 | 110.35 | 111.00 | 0.65 | 0.03 |
EH005 | 54.35 | 54.76 | 0.41 | 0.02 |
EH005 | 54.76 | 55.39 | 0.63 | 0.03 |
EH005 | 56.00 | 56.50 | 0.50 | 5.62 |
EH005 | 56.50 | 56.98 | 0.48 | 0.11 |
EH005 | 84.00 | 84.37 | 0.37 | 0.24 |
EH005 | 84.37 | 84.80 | 0.43 | 7.37 |
EH005 | 84.80 | 85.46 | 0.66 | 21.40 |
EH005 | 85.46 | 86.00 | 0.54 | 29.60 |
EH005 | 86.00 | 86.56 | 0.56 | 9.89 |
EH005 | 86.56 | 87.23 | 0.67 | 2.12 |
EH005 | 87.23 | 87.91 | 0.68 | 0.50 |
EH005 | 87.91 | 88.32 | 0.41 | 7.72 |
EH005 | 88.32 | 88.90 | 0.58 | 1.73 |
EH005 | 88.90 | 89.62 | 0.72 | 0.33 |
EH005 | 89.62 | 90.20 | 0.58 | 1.23 |
EH005 | 90.20 | 90.70 | 0.50 | 0.21 |
EH005 | 90.70 | 91.22 | 0.52 | 0.44 |
EH005 | 91.22 | 91.70 | 0.48 | 0.24 |
EH005 | 91.70 | 92.39 | 0.69 | 0.19 |
EH005 | 92.39 | 93.05 | 0.66 | 0.61 |
EH005 | 93.05 | 93.40 | 0.35 | 0.58 |
EH005 | 93.40 | 93.76 | 0.36 | 0.15 |
EH005 | 93.76 | 94.19 | 0.43 | 19.90 |
EH005 | 94.19 | 94.64 | 0.45 | 6.03 |
EH005 | 94.64 | 94.94 | 0.30 | 0.06 |
EH005 | 94.94 | 95.39 | 0.45 | 1.36 |
EH005 | 95.39 | 95.79 | 0.40 | 0.02 |
EH005 | 106.87 | 107.23 | 0.36 | 0.38 |
EH005 | 107.23 | 107.57 | 0.34 | 1.75 |
EH005 | 107.57 | 108.30 | 0.73 | 3.49 |
EH005 | 108.30 | 108.62 | 0.32 | 0.59 |
EH005 | 108.62 | 109.30 | 0.68 | 1.00 |
EH005 | 109.30 | 109.55 | 0.25 | 0.34 |
EH005 | 111.70 | 112.47 | 0.77 | 1.77 |
EH005 | 112.47 | 112.85 | 0.38 | 0.38 |
EH005 | 112.85 | 113.40 | 0.55 | 2.29 |
EH005 | 113.40 | 113.90 | 0.50 | 1.19 |
EH005 | 113.90 | 114.30 | 0.40 | 0.87 |
EH005 | 114.30 | 114.65 | 0.35 | 7.45 |
EH005 | 114.65 | 115.00 | 0.35 | 0.19 |
EH005 | 115.00 | 115.65 | 0.65 | 1.05 |
EH005 | 115.65 | 116.25 | 0.60 | 0.24 |
EH005 | 116.25 | 116.85 | 0.60 | 0.14 |
EH005 | 116.85 | 117.35 | 0.50 | 0.18 |
EH005 | 117.35 | 117.90 | 0.55 | <0.01 |
EH005 | 118.20 | 119.05 | 0.85 | 0.07 |
EH005 | 119.05 | 119.75 | 0.70 | 0.04 |
EH005 | 120.20 | 120.75 | 0.55 | 0.09 |
EH005 | 120.75 | 121.50 | 0.75 | 1.20 |
EH005 | 121.50 | 122.30 | 0.80 | 0.28 |
EH005 | 122.30 | 122.60 | 0.30 | 0.15 |
EH005 | 122.60 | 122.90 | 0.30 | <0.01 |
EH005 | 122.90 | 123.40 | 0.50 | 0.16 |
EH005 | 123.40 | 123.65 | 0.25 | 0.33 |
EH005 | 124.30 | 124.50 | 0.20 | 2.83 |
EH005 | 124.50 | 124.65 | 0.15 | 0.12 |
EH005 | 124.65 | 125.00 | 0.35 | 0.39 |
About the Excelsior Prospect
The Excelsior prospect is interpreted to host structurally controlled gold mineralization developed within quartz veins. Historic production records from Excelsior indicate the mining of 13,200 tons for 9,260 ounces of gold down an ore shoot to a depth of 100 meters at an average recovered grade of 22 g/t Au between 1909 and 19151, with said mineralization open to depth and along strike.
Recent exploration work completed on Excelsior2 included surface sampling and mapping. Two soil sampling traverses were conducted at the western part of the prospect, one pf which crossed considerable quartz vein float. The outcrop of the reef is presently covered by mine tailings. The initial phase of drilling work by Leviathan, which is expected to comprise at least 5,000 meters of diamond drilling, has been designed to target near-surface strike and depth projections of mineralization around and beneath the Excelsior Reef.
________________ |
1 GeoVic (2020) https://earthresources.vic.gov.au/geology-exploration/maps-reports-data |
2 Motton, N. (2016). Currawong Pty Ltd. “Annual Report for EL5387 Avoca” |
Comparable Projects
Leviathan considers the Currighanalt project, in Northern Ireland, to be potentially similar in terms of its geology to the Avoca and Timor projects. In 2018 Dalradian Resources Inc. defined Measured and Indicated Mineral Resources of 6.34 million tonnes at a grade of 15.01 g/t Au for 3.06 million ounces of gold, and Inferred Mineral Resources of 7.72 million tonnes at a grade of 12.24 g/t Au for 3.04 million ounces of gold3. The Currighanalt project, which is described as “a high grade orogenic gold deposit characterized by a series of west-northwest trending, moderately to steeply dipping, stacked quartz-carbonate-sulphide veins and arrays of narrow and short extension veinlets” is hosted by rocks of similar lithology and age to those found at Avoca and Timor.
_________________ |
3 Dalradian Resources (2018), “Technical Report for the Curraghinalt Gold Project, Northern Ireland”, by SRK Consulting. |
Future Work Programs
There are over thirty historical gold workings within the Avoca project area4, all of which require additional mapping, surface sampling and drill testing to assess their potential and on which the Company intends to report on an ongoing basis. The highest priority targets include:
The Timor project lies immediately east of the Avoca project and hosts numerous hardrock and alluvial gold deposits as evidenced by the extent of historic workings, of which approximately twenty hardrock workings can be considered to have been significant producers. The highest priority targets include:
The Leviathan Group of Mines and Shaw’s Reef both lie on separate large regional north-south structures known to occur for tens of kilometers associated with hardrock workings over their length. Neither of these structures have witnessed significant drilling. These two mineralized structures will be a near-term focus for exploration within the Projects. Modern core orientation techniques, with the objective of further understanding the structural controls on mineralization, will be systematically applied during this program.
__________________ |
4 State of Victoria Mining Surveyors and Registrar’s Quarterly Reports from 1860 to 1891 and Annual Reports issued thereafter. All the production from these reefs occurred within the Avoca licence. |
Qualified Person and Data Verification
The technical content of this news release has been reviewed, verified and approved by Keith Whitehouse, AusIMM (CP), Exploration Manager of Leviathan Gold (Australia) Pty. Ltd., a qualified person as defined by NI 43-101.
Drilling was carried out by independent contractors using PQ and HQ size tooling. Average core recovery for the program was 96%. Drill core was cut in half by Leviathan using a rock saw with one half of the core then taken as a sample for analysis. Sample intervals were generally between 50 and 102 centimeters producing samples of between 1.5 to 4.1 kg. Samples were delivered to On Site Laboratory Services (Pty) Ltd, of Bendigo, Victoria. The samples were crushed and pulverized to >95% passing 75 µm using industry standard Boyd crushers and LM% ring mills were fire assayed for Au using a 25 g charge, method code PE01S, and were analyzed for multi-elements using method code BM011 following an aqua regia digestion. Regular pulp duplicates were generated and reported by the laboratory together with regular replicate results of the digested gold prill. Replicate results were provided for 100% of gold grades greater than 10 g/t and more than 85% of grades greater than 5 g/t Leviathan routinely inserted multi-element geochemical standards and blanks together with samples flagged for coarse crush duplicates sampling into the drill core sample stream as part of a documented Quality Assurance/Quality Control process to monitor laboratory performance, during the drilling program QAQC material was inserted into sample batches at the following rates per primary sample: ¼ core duplicates 1 in 20; basalt blanks 1 in 15; certified reference material 1 in 20. QAQC sampling was considered to provide acceptable results however Leviathan is working with Onsite to further optimize the appropriate treatment of high-grade auriferous sample material, as well a an appearingly low bias in CRM performance. Sample grades were checked against recovery percentage for potential bias; no discernable high- or low-grade bias was observed.
Figure 1: Plan view of completed drilling and reported results at the Excelsior Reef (CNW Group/Leviathan Gold Ltd)
Figure 2: Sectional view through the Excelsior Reef. (CNW Group/Leviathan Gold Ltd)
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