Heliostar Drills 88.3 g/t Gold over 3.05 Metres and 19.3 g/t Gold over 4.57 Metres at Apollo, Unga Project, Alaska
(firmenpresse) - Vancouver, Canada, June 16th, 2021 - Heliostar Metals Limited (TSX.V: HSTR, OTCQX: HSTXF, FRA: RGG1) ("Heliostar" or the "Company") is pleased to announce results from the first four drill holes completed at Unga in 2021. The company has three drill rigs on the project and has completed 36 holes for a total of 4,245 metres to date.
Drilling Highlights at Apollo
o 88.3 grams per tonne (g/t) gold over 3.05 metres from 21.35 metres (m) downhole
- SKRC21-03 (500m to the East)
o 7.98 g/t gold (10.0 g/t Aueq) over 4.57 metres from 13.72 m downhole and,
o 1.91 g/t gold (5.20 g/t Aueq) over 4.57 metres from 39.62 m downhole and,
o 8.65 g/t gold (9.09 g/t Aueq) over 10.67 metres from 54.86 m dowhnhole including;
§ 19.3 g/t (20.1 g/t Aueq) gold over 4.57 metres from 56.39 m downhole and,
o 10.2 g/t gold (10.3 g/t Aueq) over 1.52 metres from 83.82 m downhole
- 27 holes have been completed at Apollo, definining parallel veins over a strike length of 725 metres and a vertical range of 140 metres. Mineralization remains open in all directions and drilling is ongoing.
Heliostar CEO, Charles Funk, commented: These are exceptional results and this discovery at Apollo adds another high grade zone to the Unga project. Apollo was Alaskas first underground gold mine and despite historical reports of continuations of gold and base metal mineralization beyond historic workings, Heliostar is the first company to successfully intersect these veins in drilling. The Apollo-Sitka trend is over two kilometres long and drilling completed to date in 2021 has tested just 725 metres of the trend, with additional assays pending. The company is undertaking a 7,000 metre, fully-funded program with a goal of demonstrating the current resource (384,000 inferred ounces at 13.8 g/t gold1) can grow to greater than 1,000,000 ounces of gold.
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The historic Apollo Mine produced approximately 130,000 ounces of gold at an estimated grade of 10 g/t. Ore is reported to have been mined from three closely spaced, parallel veins2. The Apollo vein transitions from gold rich at shallow levels to gold with silver and base metals at depth.
1 - Refer to 43-101 Technical Report titled Amended and Restated NI 43-101 Technical Report & Resource Estimate For The SH-1 Gold & Silver Deposit dated November 24, 2020 which can be found here https://uploads-ssl.webflow.com/60953869f570353f68d5ff0d/60953869f570355337d60161_2020-11-24_Redstar%20Gold_NI%2043-101%20Technical%20Report_Amended%20%26%20Restated.pdf and is filed on SEDAR at www.sedar.com
2 - The reader is cautioned that the qualified person has not been able to independently verify the historical assay results presented above and Heliostars current drilling is designed to establish the grades and widths of vein targets on the property.
Mining from 1886 through to the 1920s exploited the gold-rich, oxidized portion of the Apollo veins. However, unoxidized precious- and base-metal-rich zones were left unmined due to the lack of flotation technology to treat sulphide ore. That technology was developed later and has remained industry-standard for multiple decades.
Exploration during the life of the mine comprised shaft sinking, drifting, and cross cutting to discover veins at three main zones: Apollo Shaft 1, Apollo Shaft 2, and the Sitka Mine (Figure 1). Historic reports note that many drifts and crosscuts encountered veins with gold, silver, and base metals which were not followed up with drill testing.
The Apollo prospect remained largely unexplored until the 1980s, when fourteen holes were drilled to test the area north of the vein defined by historic underground workings. However, this drilling appeared to miss the main zones of mineralization and the project saw no further drilling until Heliostar completed seven holes in late 2020.
Heliostar geologists noted inaccuracies in the historic mine drawings and locations of the 1980s drillholes in the field convinced them that these holes had not adequately tested the main Apollo-Sitka vein corridor.
Four holes drilled in 2020 intersected a halo of low-grade mineralization around mined-out areas at Sitka Mine and intersected veins near the main mine at Apollo Shaft 1. It remains unclear if this drilling intersected the main vein at Apollo Shaft 1 or additional parallel veins to the north.
Figure 1: Plan map showing location of the Heliostar and historic drilling at the Apollo prospect.
For 2021, Heliostar planned fences of reverse circulation (RC) drillholes to accurately locate the vein, with exploration drilling then to step-out along strike to expand the lateral footprint of mineralization.
Hole APSRC21-01 intersected a broad zone of intense clay and pyrite alteration, indicating proximity to a major structure. Hole APSRC21-02 intersected the vein on the same section (Figure 2). APSRC21-03 drilled back and across the vein near to the APSRC21-02 intersection and drilled through same vein but returned a low-grade interval. This grade variability is similar to that noted in drilling at the SH-1 resource. This variability is assumed to be the result of coarse-grained gold and screen fire analysis is being completed on each hole to address this variability.
Step-out drilling intersected at least three parallel veins between Apollo Shaft 2 and the Sitka Mine. Veining is composed of quartz with minor clay and variable amounts of sphalerite, galena and chalcopyrite. Visible gold was observed in RC chips from the high-grade interval in hole APSRC21-02.
The team completed one diamond drillhole, APS21-08, before the rig was moved to the SH-1 resource area and this hole intersected the Apollo vein 40 metres downdip, where it remains open to depth and along strike.
DrillholFrom To IntervGold SilveLeadZincAuEq
e (m) (m) al (g/t)r (%) (%) (g/t)
APSRC21-0.0 1.5 1.50 1.19 2.85 - - 1.22
APSRC21-21.34 24.383.05 88.3 18.91 88.5
Incl. 21.34 22.861.52 172.536.9 0.150.23173.0
APSRC21-41.15 42.671.52 1.01 3.4 - - 1.06
SKRC21-013.72 18.294.57 7.98 184.108.40.2060.0
and 39.62 44.2 4.57 1.91 21.6 1.365.7 5.20
and 54.86 65.5310.67 8.65 20.9 0.130.279.10
Incl. 56.39 60.964.57 19.3 42.7 0.130.2720.0
and 83.82 85.341.52 10.2 4.60 - - 10.3
Table 1: Table of intersections from the Apollo prospect. True thickness is estimated at 77% of drilled length for APSRC21-02. True thicknesses are not known for SRC21-03 and SKRC21-03. Gold equivalent is calculated using the following formula: gold-equivalent = ((Au_g/t x 48.23) + (Ag_g/t x 0.6431) + (Pb_ppm x 0.0019) + (Zn_ppm x 0.0021)) / 48.23. Metal price assumptions are $1,500 per ounce gold, $20 per ounce silver, $0.85 per pound lead and $0.95 per pound zinc.
Unga 2021 Exploration Strategy
The company has completed 36 holes for a total of 4,245 metres since mobilizing to the property in April. There is one diamond and two RC rigs on site that are rapidly advancing the drilling program and the company expects to exceed the planned 7,000 metres within the current C$6,000,000 budget.
Figure 2: Plan map showing location of the Heliostar and historic drilling at the Apollo prospect.
Five holes, including two twin RC holes for comparison to 2020 diamond holes, have been completed at the SH-1 Resource area (384,000 inferred ounces at 13.8 g/t gold) where company is utilizing the diamond drill rig to define extensions to known mineralization. Historic hole BM-1 is the deepest hole in the resource and intersected 5.48 metres grading 23.99 g/t gold and mineralization is open to depth.
Within the broader Apollo area, the team has completed 27 drill holes. Mineralization remains open in all directions and drilling is aiming to expand the footprint of mineralization of the multiple parallel veins.
Aquilla is another priority target at Unga. The team has completed four holes to follow up the discovery of the Amethyst Vein in 2020, with all 2021 assay results pending. Drilling of this vein in 2020 returned 31.6 metres at 1.8 g/t gold, including 5.75 metres at 5.56 g/t gold, from hole AQ20-01. Each of the four new holes have intersected the vein at depth and along strike, and drilling remains ongoing.
In addition to the priority projects, Unga hosts many additional high-grade gold vein, bulk-tonnage gold and porphyry copper-gold targets. Company geologists continue systematic exploration to advance these targets to be drill ready and some of these targets will be included in the latter part of the 2021 drilling program.
Figure 3: Location of Heliostars main 2021 targets at the Unga Project, Alaska
2021 Drilling Details
t le g g on (°) tion Depth
Apollo APSRC21400348611719422.3 330 -45 79.2
APSRC21400348611719422.3 150 -45 97.5
APSRC21400367611716124 330 -45 100.6
APSRC21400368611720117 150 -45 62.8
APSRC21400368611720117 150 -65 51.8
APSRC21400315611723914 150 -45 86.9
APSRC21400316611714132 330 -45 112.8
APSRC21400329611711947 330 -55 121.9
APSRC21400296611709552 330 -55 135.6
APSRC21400297611709251 150 -45 121.9
APSRC21400263611706751 330 -45 77.1
APSRC21400263611706450 330 -55 137.2
APSRC21400269611710546 330 -45 123.4
APSRC21400214611707553 330 -55 144.8
Sitka SKRC21-400868611729959 350 -45 99.4
SKRC21-400836611726866 350 -45 109.7
SKRC21-400826611732568 350 -45 106.7
SKRC21-400793611732470 350 -45 96
SKRC21-400772611730174 350 -45 74.1
SKRC21-400705611726141 350 -45 74.7
SKRC21-400704611726041 350 -65 32
SKRC21-400908611730060 350 -45 121.9
SKRC21-400778611724057 350 -45 146.3
SKRC21-400885611731462 350 -45 100
SKRC21-400637611727029 350 -45 152.4
SKRC21-400638611726932 170 -45 152.4
Table 2:-Apollo-Sitka drill hole details. WGS84, Zone 4 Coordinate system.
About Heliostar Metals Ltd.
Heliostar is a well-financed junior exploration and development company with a portfolio of high-grade gold projects in Alaska and Mexico.
The companys flagship asset is the 100% controlled Unga Gold Project on Unga and Popof Islands in Alaska. The project hosts an intermediate sulfidation epithermal gold deposit, located within the district-scale property that encompasses 240 km2 across the two islands. Additional targets on the property include porphyry copper-gold targets, high sulphidation targets and intermediate sulphidation epithermal veins.
On Unga Island, priority targets include: the SH-1 and Aquila, both on the Shumagin Trend, the former Apollo-Sitka mine, which was Alaskas first underground gold mine, and the Zachary Bay porphyry gold-copper prospect.
Gold mineralization at the Centennial Zone is located on neighbouring Popof Island within four kilometres of infrastructure and services at Sand Point.
In Mexico, the company owns 100% of three early-stage epithermal projects in Sonora that are highly prospective for gold and silver. Cumaro forms part of the El Picacho district, while the Oso Negro and La Lola projects are early-stage projects considered prospective for epithermal gold-silver mineralization.
The Companys disclosure of technical or scientific information in this press release has been reviewed and approved by Stewart Harris, P.Geo., Exploration Manager for the Company. Mr. Harris is a Qualified Person as defined under the terms of National Instrument 43-101.
For additional information please contact:
Chief Executive Officer
Heliostar Metals Limited
Investor Relations Manager
Heliostar Metals Limited
Phone: +1 778 357 1313
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Forward-Looking Information. This release includes certain statements that may be deemed "forward-looking statements". Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "would", "may", "could" or "should" occur. Forward-looking statements in this press release include Heliostars plans to continue aggressive exploration at Unga in 2021 and its goal of defining a resource in excess of one million ounces, its plan to continue infill drilling to expand to depth where the system remains open, and its belief that the SH-1 prospect has considerable potential for expansion. Although Heliostar believes that the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not a guarantee of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, weather, continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company''s management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management''s beliefs, estimates or opinions, or other factors, should change.
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