Heliostar Drills 56.6 Metres Grading 2.88 g/t Oxide Gold from 68 Metres at the La Colorada Mine, Sonora, Mexico

Heliostar Drills 56.6 Metres Grading 2.88 g/t Oxide Gold from 68 Metres at the La Colorada Mine, Sonora, Mexico

HIGHLIGHTS:

  • 56.6m grading 2.88 g/t gold from 68m
  • 23.2m grading 14.4 g/t gold from surface (including 0.85m grading 381 g/t gold)
  • 4.05m grading 17.8 g/t gold from 136m
  • 8.7m grading 6.68 g/t gold from 56m
  • 18.85m grading 3.54 g/t gold from 95m
  • Deeper drilling at the Creston Pit shows a combination of wide intervals and high grades
  • Results will be incorporated in an updated technical study for La Colorada expected to be released mid-2025
  • The focus of drilling at La Colorada will shift to stockpiles and then high-grade veins beneath and along strike from the open pits

Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to announce additional results from an expanded 16,211 metre drilling program at the La Colorada Mine in Sonora, Mexico. La Colorada restarted production in early January 2025, and the current drill program is intended to expand the mineral reserves ahead of an updated technical report and expansion decision planned for mid-2025.

Heliostar CEO, Charles Funk, commented, "The turnaround at La Colorada has been a real strength for Heliostar. In the three months since the acquisition, the Company has restarted production and established a mine life of 6.5 years. This drill program has returned a powerful combination of wide gold intervals and high-grade veins, leading to our expanding the program to a total of 104 drill holes. The intervals reported to date are intended to drive stronger economics in an updated technical report planned for mid-2025. A new drilling program at La Colorada will now focus on defining additional mineralized material from historic stockpiles, which we believe can quickly be brought into production. We will then pivot to exploration for underground targets in the second half of the year."

Drill Results Summary

Mineralization at La Colorada's Creston Pit is predominantly hosted in three veins: the North, Intermediate and South Veins (Figure 1). These veins trend northeast-southwest to east-west, dip northward and are surrounded by halos of smaller mineralized veins. The Creston Pit has historically mined oxide gold and silver from all three of these veins. A current Probable Mineral Reserve of 312,000 ounces of gold grading 0.76 grams per tonne (g/t) gold and 5,074,000 ounces of silver at 10.1 g/t silver is defined at the Creston Pit1.

A technical review of expansion potential identified two opportunities for reserve growth, these being near surface extensions of known veins with little or no drill data and exploring the under-sampled mineralization beneath the pit. Both opportunities were defined using historical drilling, blasthole data, mining shapes, and the geological model.

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Figure 1: Plan view of the Creston Pit showing historic drilling, blast hole samples and Heliostar drillholes. Selected intercepts are labelled.

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Figure 2: Cross-section view looking west at the eastern end of the Creston Pit. The section shows historic drilling and new Heliostar drillhole results below the planned pit boundary.

To view an enhanced version of this graphic, please visit:
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Blast hole data clearly shows the potential for the continuation of veins at shallow depths that were previously modelled as waste. They contain elevated gold grades that continue to the edge of the pit walls where they remain open for expansion (Figures 1 and 2). At depth, drill spacing is wider than the area above. Additional drilling allows for improved estimation of grade and continuity.

The Company has completed 104 holes totalling 16,211 metres in the program to date. This is an expansion on the planned 12,500 metre program. This release reports results for 25 new holes at Creston, two at Gran Central and four metallurgical holes completed at Veta Madre. The majority of the new drill holes targeted extensions of the North, Intermediate and South Veins in areas where drilling is widely spaced yet, within the current Creston resource. They aim to add ounces to the overall Creston resources and reserves.

Assay results show narrow to wide, low- to high-grade oxide gold intercepts. Targeted vein zones consistently return intercepts above the 0.16 g/t gold-equivalent cutoff grade of reserves within the Creston pit. The results may increase the tonnes and grade of mineralization in an updated pit shell. If so, that would add to total reserves in an updated technical report.

Next Steps

Results from the current drill program are being incorporated into a resource model. They will support a reserve update to be published with a technical report in mid-2025, which will include an updated mine plan on any additional economic material defined to date.

This drill program is designed to increase the volume of rock containing potentially economic gold mineralization, which, in turn, could improve the overall mine economics. Any zones currently modelled as waste but subsequently modelled as ore from this program would have the double benefit of reducing the overall strip ratio of the Creston pit expansion and adding ounces to the mine plan.

That, in-turn, could reduce the up-front capital requirements for the restart of operations and improve the IRR and NPV of the updated technical report compared to the technical report released in January 2025. This upcoming study will be the basis of an investment decision for the expansion of open pit mining production at La Colorada.

Following the successful completion of this drill program, the Company will now change the focus of drilling to test historic stockpiles. If drilling is successful, it may provide additional resources and cash flow similar to that currently being generated from the producing Junkyard reserve. The intention is to produce from these low-cost stockpiles to maximize cash flow ahead of primary mining from the open pit pushbacks.

In the second half of 2025, the focus will shift to stepping out on the high-grade vein intercepts beneath and along strike from the open pits. The results received to date provide optimism for the potential of an underground future at La Colorada (see our April 9, 2025, press release here). In addition, the Company will advance property scale exploration targets with mapping and geophysics to define drill targets beyond the currently mined areas.

Quarterly Review and Future Plans Update

The Company presented a live webinar on Tuesday, May 13th, to provide an in-depth review of Heliostar's recently reported preliminary interim results for Q1 2025.

The Company also provided a forward-looking overview of what to expect in Q2 and beyond. This included how Heliostar plans to leverage operational cash flow to boost annual gold production from its two operating mines and advance the development of the Ana Paula project.

A replay of the webinar can be found on this link.

La Colorada Mineral Reserves Statement

ClassificationZoneAuEq
Cut-off
(g/t)
Tonnes
(kt)
Gold Grade
(g/t Au)
Silver
Grade
(g/t Ag)
Contained
Gold 

(koz)
Contained Silver 
(koz)
ProbableEl Crestón0.16012,8410.7610.13124,181
Veta Madre0.1751,9050.703.143189
La Chatarrera0.1643,4130.206.422704
Total
18,1590.658.693775,074

 

1 La Colorada Operations, Sonora, Mexico, NI 43-101 technical report (the "Report") is dated January 11, 2024, has an effective date of December 4, 2024

Diamond Drilling Results Table

HoleIDFrom
(metres)
To
(metres)
Interval
(metres)
Au
(g/t)
Ag
(g/t)
% True
Width
Comment
24-LCDD-290290.75310.719.952.5198.083.4South Vein
including301.25306.55.255.7911583.4South Vein
25-LCDD-2911.013.7512.750.9114.2100Intermediate Vein
and26.536.09.50.474.499.6Intermediate Vein
and40.546.56.00.653.699.6Intermediate Vein
and68.0124.656.62.886.994.1Intermediate Vein

68.0124.656.62.186.994.1Top-cut to 23 g/t Au
including111.85116.95.059.2219.496.4South Vein
25-LCDD-2922.733.9531.250.6534.785.4Intermediate Vein
and41.7551.09.250.2333.688.7Intermediate Vein
and124.9145.820.93.6323.882.8South Vein

124.9145.820.93.0323.882.8Top-cut to 20 g/t Au
including135.75139.84.0517.899.982.8South Vein

135.75139.84.0514.699.982.8Top-cut to 20 g/t Au
25-LCDD-29348.3555.857.51.005.277.1Intermediate Vein
and68.579.2510.751.521.865.1Intermediate Vein
and92.0100.78.72.418.477.8Intermediate Vein
25-LCDD-2940.015.315.30.5728.1100Intermediate Vein
and52.482.229.82.2222.387.8Intermediate Vein

52.482.229.81.6222.387.8Top-cut to 23 g/t Au
including56.0564.758.76.6862.895.1Intermediate Vein
including56.0564.758.74.6362.895.1Top-cut to 23 g/t Au
and103.0120.417.41.082.299.8South Vein
25-LCDD-29524.0529.65.550.2131.387.6South Vein
and35.5538.352.80.1728.085.7South Vein
25-LCDD-2960.029.329.31.087.288.9Intermediate Vein
including5.513.658.153.259.793.0Intermediate Vein
and59.284.825.60.664.880.9Intermediate Vein
and118.1135.417.31.879.896.2South Vein
including121.8124.83.06.7325.496.2South Vein
25-LCDD-29729.946.016.10.2917.485.1Intermediate Vein
and99.7127.627.90.6212.479.0Intermediate Vein
25-LCDD-2988.620.2511.652.0116.299.3Intermediate Vein
and77.8119.0541.251.874.998.3South Vein
including95.15114.018.853.544.898.3South Vein
25-LCDD-29999.9108.158.250.2113.480.6Gran Central Vein
and114.4118.03.60.5319.080.6Gran Central Vein
25-LCDD-3000.023.223.214.421.894.5Intermediate Vein

0.023.223.21.2821.894.5Top-cut to 23 g/t Au
including9.1510.00.85381.016794.5Intermediate Vein

9.1510.00.8523.016794.5Top-cut to 23 g/t Au
and38.051.6513.650.9312.787.6Intermediate Vein
and66.9585.218.250.662.187.5Intermediate Vein
and104.9116.2511.351.471.891.1South Vein
and122.5129.57.01.188.191.1South Vein
25-LCDD-30135.047.412.40.5471.8
Gran Central Vein

 

Table 2: Significant Drill Intersections.

RC Drilling Results Table

HoleIDFrom
(metres)
To
(metres)
Interval
(metres)
Au
(g/t)
Ag
(g/t)
% True
Width
Comment
24-LCRC-757No significant results
24-LCRC-758No significant results
25-LCRC-759No significant results
25-LCRC-760No significant results
25-LCRC-761No significant results
25-LCRC-76250.361.010.72.012.898.9North Vein
including59.561.01.513.34.098.9North Vein
25-LCRC-763138.7144.86.10.4218.8100North Vein
and167.6179.812.20.244.598.9Intermediate Vein
25-LCRC-765No significant results
25-LCRC-766109.7120.410.70.7712394.7Intermediate Vein
25-LCRC-76747.253.36.10.3451.799.0North Vein
25-LCRC-76847.257.910.70.6282.195.0North Vein
25-LCRC-769245.4251.56.17.943.280.5Intermediate Vein

245.4251.56.16.363.280.5Top-cut to 23 g/t Au
25-LCRC-770121.9128.06.10.475.999.1North Vein
and163.1169.26.10.754.173.7North Vein
25-LCRC-771No significant results
25-LCRC-772No significant results

 

Table 3: Significant Drill Intersections.

Veta Madre Metallurgical Drilling Results Table

HoleIDFrom
(metres)
To
(metres)
Interval
(metres)
Au
(g/t)
Ag
(g/t)
% True
Width
Comment
24-LCMET-1943.8112.568.70.733.374.7
24-LCMET-20108.6118.6510.051.001.369.1
and138.5223.7585.251.144.369.1

138.5223.7585.251.014.369.1Top-cut to 7 g/t Au
including149.15162.813.653.473.469.1

149.15162.813.652.763.469.1Top-cut to 7 g/t Au
24-LCMET-21166.0237.0711.265.179.2

166.0237.0711.245.179.2
including223.1224.41.38.213.479.2
including223.1224.41.37.003.479.2
24-LCMET-22185.0247.4562.450.646.767.2

 

Table 4: Significant Drill Intersections.

Drilling Coordinates Table

Hole IDNorthing
(NAD27 CONUS
Zone 12N)
Easting
(NAD27 CONUS
Zone 12N)
Elevation
(metres)
Azimuth
(°)
Inclination
(°)
Length
(metres)
25-LCDD-2905422643185808360.4180-43318.25
25-LCDD-2915426413185777182.7180-12154.95
25-LCDD-2925424153185710221.1180-49151.65
25-LCDD-2935427753185810246.0180-70157.25
25-LCDD-2945426413185777182.3180-26132.65
25-LCDD-2955421843185598381.2215-4084.1
25-LCDD-2965426413185777183.2180+2151.25
25-LCDD-2975424253185721221.1190-55138.15
25-LCDD-2985426533185788182.7170-20129.95
25-LCDD-2995409793185503420.4180-60138.05
25-LCDD-3005426533185788183.3170-3150.85
25-LCDD-3015409973185454416.5180-5572.6
24-LCMET-195439653185611346.0184-45126.0
24-LCMET-205438903185658418.4163-51223.75
24-LCMET-215438803185639419.6180-47237.0
24-LCMET-225438903185659418.4173-55247.45
24-LCRC-7575420653185543458.7180-45128.0
24-LCRC-7585420653185621455.7180-45158.5
25-LCRC-7595427483185451433.6180-45100.6
25-LCRC-7605427503185390439.7180-45152.4
25-LCRC-7615430803185936444.1180-45195.1
25-LCRC-7625431003185898442.4175-50167.6
25-LCRC-7635430253185964460.6180-45213.4
25-LCRC-7645422143185673373.9180-50121.9
25-LCRC-7655421883185623380.2215-4485.3
25-LCRC-7665422153185704371.3168-44176.8
25-LCRC-7675422183185725369.6180-55103.6
25-LCRC-7685422223185726369.5155-45100.6
25-LCRC-7695429753185996472.7178-45256.0
25-LCRC-7705429003186006476.9180-49268.2
25-LCRC-7715424653185371415.1179-45140.2
25-LCRC-7725424653185311433.0179-50152.4

 

Table 5: Drill Hole Details

Quality Assurance / Quality Control

Core holes were drilled with PQ, HQ, and NQ tools and drill core was sawn in half with one half submitted for analysis and one half retained as a record. Reverse circulation (RC) holes were drilled with 5-inch and 5-1/4 inch tools. Reverse circulation samples with a mass of >20kg were split into one-quarter, which was submitted for analysis. Reverse circulation samples with a mass of ≤20kg were split into half which was submitted for analysis. Three-quarters or one-half of the samples, respectively were retained as a record. Drill samples were shipped to ALS Limited in Hermosillo, Sonora, Mexico, for sample preparation and for analysis at the ALS laboratory in North Vancouver. The Hermosillo and North Vancouver ALS facilities are ISO/IEC 17025 certified. Gold was assayed by 30-gram fire assay with atomic absorption spectroscopy finish, and overlimits were analyzed by 30-gram fire assay with gravimetric finish.

Control samples comprising certified reference and blank samples were systematically inserted into the sample stream and analyzed as part of the Company's quality assurance / quality control protocol.

Statement of Qualified Person

Gregg Bush, P. Eng. and Stewart Harris, P.Geo., the Company's Qualified Persons, as such term is defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects, have reviewed the scientific and technical information that forms the basis for this news release and have approved the disclosure herein. Mr. Bush is employed as Chief Operating Officer of the Company, and Mr. Harris is employed as Exploration Manager of the Company.

Technical Report Reference

1 La Colorada Operations, Sonora, Mexico, NI 43-101 Technical Report (the "Report") is dated January 11, 2024, has an effective date of December 4, 2024 and was prepared for Heliostar Metals Inc. by Mr. Todd Wakefield, RM SME, Mr. David Thomas, P.Geo., Mr. Jeffrey Choquette, P.E., Mr. Carl Defilippi, RM SME, and Ms. Dawn Garcia, CPG. The Report can be found under the Company's profile on SEDAR+ (www.sedarplus.ca) and on Heliostar's website (www.heliostarmetals.com).

About Heliostar Metals Ltd.

Heliostar is a gold mining company with production from operating mines in Mexico. This includes the La Colorada Mine in Sonora and the San Agustin Mine in Durango. The Company also has a strong portfolio of development projects in Mexico and the USA. These include the Ana Paula project in Guerrero, the Cerro del Gallo project in Guanajuato, the San Antonio project in Baja Sur and the Unga project in Alaska, USA.

FOR ADDITIONAL INFORMATION PLEASE CONTACT:

Charles Funk
President and Chief Executive Officer
Heliostar Metals Limited
Email: charles.funk@heliostarmetals.com
Phone: +1 844-753-0045
Rob Grey
Investor Relations Manager
Heliostar Metals Limited
Email: rob.grey@heliostarmetals.com
Phone: +1 844-753-0045

 

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.

Cautionary Statement Regarding Forward-Looking Information

This news release includes certain "Forward-Looking Statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and "forward-looking information" under applicable Canadian securities laws. When used in this news release, the words "anticipate", "believe", "estimate", "expect", "target", "plan", "forecast", "may", "would", "could", "schedule" and similar words or expressions, identify forward-looking statements or information. These forward-looking statements or information relate to, among other things, the open pit intervals are intended to drive stronger economics in an updated technical report planned for mid-2025. Drilling at La Colorada will now be undertaken to define additional stockpile material and then we will pivot to exploration for underground targets in the second half of the year and, leverage operational cash flow to boost annual gold production from its two operating mines and advance the development of the Ana Paula project, the results received to date provide real optimism for the potential of an underground future at La Colorada.

Forward-looking statements and forward-looking information relating to the terms and completion of the Facility, any future mineral production, liquidity, and future exploration plans are based on management's reasonable assumptions, estimates, expectations, analyses and opinions, which are based on management's experience and perception of trends, current conditions and expected developments, and other factors that management believes are relevant and reasonable in the circumstances, but which may prove to be incorrect. Assumptions have been made regarding, among other things, the receipt of necessary approvals, price of metals; no escalation in the severity of public health crises or ongoing military conflicts; costs of exploration and development; the estimated costs of development of exploration projects; and the Company's ability to operate in a safe and effective manner and its ability to obtain financing on reasonable terms.

These statements reflect the Company's respective current views with respect to future events and are necessarily based upon a number of other assumptions and estimates that, while considered reasonable by management, are inherently subject to significant business, economic, competitive, political, and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance, or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements or forward-looking information and the Company has made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: precious metals price volatility; risks associated with the conduct of the Company's mining activities in foreign jurisdictions; regulatory, consent or permitting delays; risks relating to reliance on the Company's management team and outside contractors; risks regarding exploration and mining activities; the Company's inability to obtain insurance to cover all risks, on a commercially reasonable basis or at all; currency fluctuations; risks regarding the failure to generate sufficient cash flow from operations; risks relating to project financing and equity issuances; risks and unknowns inherent in all mining projects, including the inaccuracy of reserves and resources, metallurgical recoveries and capital and operating costs of such projects; contests over title to properties, particularly title to undeveloped properties; laws and regulations governing the environment, health and safety; the ability of the communities in which the Company operates to manage and cope with the implications of public health crises; the economic and financial implications of public health crises, ongoing military conflicts and general economic factors to the Company; operating or technical difficulties in connection with mining or development activities; employee relations, labour unrest or unavailability; the Company's interactions with surrounding communities; the Company's ability to successfully integrate acquired assets; the speculative nature of exploration and development, including the risks of diminishing quantities or grades of reserves; stock market volatility; conflicts of interest among certain directors and officers; lack of liquidity for shareholders of the Company; litigation risk; and the factors identified under the caption "Risk Factors" in the Company's public disclosure documents. Readers are cautioned against attributing undue certainty to forward-looking statements or forward-looking information. Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be anticipated, estimated or intended. The Company does not intend, and does not assume any obligation, to update these forward-looking statements or forward-looking information to reflect changes in assumptions or changes in circumstances or any other events affecting such statements or information, other than as required by applicable law.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/252216

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Gold miner with a portfolio of producing and developing gold projects in Mexico.

Heliostar Delivers Strong First Quarter 2025 Results

Heliostar Delivers Strong First Quarter 2025 Results

Q1 2025 Operational and Financial Highlights

  • Gold equivalent ounce ("GEO") production of 9,082 GEOs and sales of 8,034 GEOs for Q1 2025. The Company is on track to achieve annual sales guidance of 31,000 to 41,000 GEOs for 2025
  • Preliminary interim consolidated cash costs of US$1,175-1,275 per GEOs sold and consolidated all-in sustaining costs ("AISC") of US$1,375-1,475 for Q1 2025. The Company is on track to achieve its annual cash cost guidance range of US$1,800-1,900 per GEOs sold and AISC of US$1,950-2,100 per GEOs sold
  • Average sale price of US$2,875 per ounce of gold for Q1 2025
  • Closing of the quarter with US$27M in cash and no debt

Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to report preliminary interim results for the three months ended March 31, 2025 ("Q1 2025"), which corresponds to the fourth quarter of Heliostar's fiscal reporting year 2024-25.

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Heliostar CEO, Charles Funk, commented, "We are delighted to add Stephen and Connie to our team as we continue to build our capacity. Stephen brings his understanding of institutional banking, sales and project knowledge from his role as an analyst at Stifel. He will lead the Company's investor relationships and contribute to Heliostar's strategy for production growth and reduction in our cost of capital. Connie brings a wealth of experience, having helped shepherd First Majestic from an ambitious junior to stable producer. She will lead the Company's regulatory responsibilities in her role as Corporate Secretary. I would also like to thank Ms. Sheryl Dhillon for her diligent, professional long-term service to the Company as our Corporate Secretary."

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HIGHLIGHTS:

  • 8.85m grading 25.0 g/t gold and 768 g/t silver
  • 8.55m grading 5.52 g/t gold and 121 g/t silver
  • 3.5m grading 5.41 g/t gold and 87 g/t silver
  • 5.5m grading 11.1 g/t gold
  • 2.9m grading 10.5 g/t gold
  • 4.6m grading 5.78 g/t gold
  • 5.75m grading 4.72 g/t gold
  • Higher-grade intercepts demonstrate underground potential beyond the current open pit
  • The success of this drill program called for additional step-out drilling. Results for these drill holes are expected in Q2, 2025
  • La Colorada technical report update incorporating these results is expected in mid-2025

Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to announce additional results from a 12,500-metre drilling program at the La Colorada Mine in Sonora, Mexico. La Colorada restarted production in early January 2025, and the current drill program is intended to expand the mineral reserves ahead of an updated technical report and expansion decision planned for mid-2025.

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Heliostar to Commence 15,000m Ana Paula Drill Program

Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to announce an aggressive drill-out of the Company's 100% owned Ana Paula deposit. The company will mobilize two drill rigs in April to commence the program.

Heliostar CEO Charles Funk comments, "We have always wanted to push harder at Ana Paula, and now we can commence the largest drill program in the Company's history. We see potential to further improve the resource at Ana Paula. The program will infill the current resource, step out to expand its boundaries and explore untested areas on the property. Both we and our shareholders have been keen for this opportunity, and it's time to turn the rigs loose at Ana Paula."

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Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to announce that it has closed the bought deal equity financing previously announced by the Company on March 20, 2025, including the partial exercise of the underwriters' option, for aggregate gross proceeds of $19,500,000 (the "Offering"). The Offering was conducted by a syndicate of underwriters led by Cormark Securities Inc. and Velocity Trade Capital Ltd., and including Clarus Securities Inc., BMO Capital Markets, Roth Canada Inc. and Ventum Financial Corp. (collectively, the "Underwriters").

Pursuant to the Offering, the Company issued 19,500,000 common shares (the "Offered Shares") at a price of $1.00 per Offered Share. Mr. Eric Sprott, through 2176423 Ontario Ltd. ("2176423"), a corporation beneficially owned by him, invested $5,000,000 by subscribing for 5,000,000 Offered Shares.

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Freegold Achieves over 90% Gold Recovery Using BIOX® and greater than 92% Gold Recovery using POX - Additional Metallurgical Work Remains Ongoing

Freegold Achieves over 90% Gold Recovery Using BIOX® and greater than 92% Gold Recovery using POX - Additional Metallurgical Work Remains Ongoing

  • All three methods tested: BIOX®, POX, and the Albion Process â„¢ yield over 90% gold recovery
  • Further work to enhance sulphide recoveries through oxidation, as well as gravity, flotation and CIL recoveries, is in progress

Freegold Ventures Limited (TSX: FVL) (OTCQX: FGOVF) ("Freegold" or the "Company ") is pleased to announce further results from the ongoing metallurgical test work currently underway.

Freegold Logo (CNW Group/Freegold Ventures Limited)

The current initiatives are focused on refining the flowsheet options for the pre-feasibility study. This includes testing and ongoing evaluation of sulphide-oxidizing methods such as BIOX®, POX, and the Albion Process™, as well as further gravity, flotation and CIL test work.

Earlier this year, Freegold reported 93% recovery using the Albion Process™ oxidation-CIL, with further test work ongoing.  Comminution tests using half-PQ core have been conducted on over 50 samples from various locations and lithologies within the deposit. These tests provide information to evaluate the trade-off between grind size and liberation versus power consumption, to optimize power requirements and operating costs while enhancing gold recovery.

The BIOX test work has been in progress for several months, and results have shown that gold recovery rates of greater than 90% can be achieved.

2025 PROGRAM

  • Drilling is now underway with three rigs

Conversion of inferred resources into indicated & further exploration drilling.

  • Updated mineral resource
  • Ongoing metallurgical work, focusing on flowsheet optionality with sulphide oxidation is a key part of our strategy to maximize the potential of the resource.
  • Commencement of a Pre-Feasibility Study (PFS)

Summary of Gold Recovery using   BIOX®,

A series of BIOX® amenability oxidation tests have been completed using a sulphide rougher concentrate produced from a composite of Golden Summit material sourced from eight diamond drill hole assay rejects.  The duration of the biological oxidation tests conducted was 10, 15, 20, 30 and a duplicate 30 days.  The residue from these BIOX® tests was subjected to CIL treatment, and overall gold recovery from gravity, rougher flotation, BIOX® treatment, and CIL averaged 91% from this suite of test work.

Summary of Gold Recovery using   POX,

Pressure oxidation (POX) treatment of sulphide rougher concentrate, as well as a cleaner concentrate, with lower mass and only marginally lower gold deportment, has been completed.  The POX residue was washed and neutralized and subjected to CIL leaching for gold recovery.  The POX-CIL testwork has yielded an average overall gold recovery of over 92% in a process flowsheet incorporating gravity, flotation, POX, and CIL.

This testwork utilized eight drill core composites comprising 1,192 meters of drill intercepts that represent 587 continuous mineralized intervals, with a total material weight of over 5,100 kilograms. These composites represent different locations and grades within the Dolphin and Cleary area and were created using continuous drill intervals chosen to reflect potential mill feed (Refer to the map below for hole locations.) The selections of drill holes and intervals included the primary gold-hosting lithologies.  These composites were prepared from laboratory assay rejects of fresh rock intervals located well below the existing oxide cap at Golden Summit.  Additionally, four large-diameter PQ holes were drilled during 2024. A total of 7,600 kg has been made available for comminution testing and ongoing metallurgical testwork.

Two additional PQ holes are being drilled in the 2025 program to enhance our metallurgical test work. This work aims to provide data for trade-off studies in the pre-feasibility study, developing a process flowsheet to maximize economic returns. Ongoing tests indicate that part of the mineralization is non-refractory and can be processed conventionally, although additional sulfide processing is necessary for optimal recovery. The September 2024 resource estimate, based on a gold price of $1,973 , included grinding, gravity separation, flotation, regrinding of sulphide concentrate, and CIL treatment, achieving a 72% gold recovery rate at a processing cost of $14 per ton.

The current program is designed to test sulphide oxidation methods, aiming to increase recoveries beyond the 72% gold recovery reported in the September 2024 resource estimate. Each of the three oxidation methods tested successfully demonstrated the potential to achieve gold recoveries exceeding 90%. These methods may increase costs; however, higher gold recoveries and gold prices could offset the additional capital expenditures (CAPEX) and operating expenditures (OPEX ) costs. Ongoing work will focus on identifying the most suitable oxidation method for use in the pre-feasibility study.

Discovery costs at Golden Summit are under $4.00 per ounce. Since 2020, exploration at Golden Summit has transformed the project, evolving to one of North America's most significant undeveloped gold resources, owing to a revised interpretation, extensive drilling, and a robust metallurgical program. There remains considerable potential for further expansion and optimisation as the project advances. The revised mineral resource estimate, incorporating the 2024 drilling, is expected to be finalised soon.

The current 2025 drilling program aims to upgrade inferred resources to indicated through infill drilling. Drilling for geotechnical purposes, resource definition, and additional metallurgical test holes will also be carried out. A total of 30,000 metres of drilling is planned. Archaeological fieldwork and geotechnical drilling are scheduled to commence shortly, with a fourth drill rig added to enhance exploration efforts. A pre-feasibility study is set to begin later this year.

Link to the Plan Map:

https://freegoldventures.com/site/assets/files/6287/fvl06192025_ddhplan.png

HQ Core is logged, photographed and cut in half using a diamond saw, and one-half placed in sealed bags for preparation and subsequent geochemical analysis by MSA Laboratories in Prince George, BC , and/or Fairbanks, Alaska .  At MSALABS, the entire sample will be dried and crushed to 70% passing -2mm (CRU-CPA). A ~500g riffle split will be analyzed for gold using CHRYSOS PhotonAssay™ (CPA-Au1). From this, 250g will be further riffle split from the original PhotonAssay™ sample, pulverized, and a 0.25g sub-sample analysed for multi-element geochemistry using MSA's IMS230 package, which includes 4-acid digestion and ICP-MS finish. MSALABS operates under ISO/IEC 17025 and ISO 9001 certified quality systems. A QA/QC program includes laboratory and field standards inserted every ten samples. Blanks are inserted at the start of the submittal, and at least one blank every 25 standards.

The Qualified Person for this release is Alvin Jackson, P.Geo., Vice President of Exploration and Development for Freegold, who has approved the scientific and technical disclosure in this news release.

About Freegold Ventures Limited  
Freegold is a TSX-listed company focused on exploration in Alaska . It holds the Golden Summit Gold Project near Fairbanks and the Shorty Creek Copper-Gold Project near Livengood through leases.

Some statements in this news release contain forward-looking information, including, without limitation, statements as to planned expenditures and exploration programs, potential mineralization and resources, exploration results, the completion of an updated NI 43-101 technical report, and any other future plans. These statements address future events and conditions and, as such, involve known and unknown risks, uncertainties, and other factors which may cause the actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by the statements. Such factors include, without limitation, the completion of planned expenditures, the ability to complete exploration programs on schedule, and the success of exploration programs. See Freegold's Annual Information Form for the year ended December 31st, 2024 , filed under Freegold's profile at www.sedar.com , for a detailed discussion of the risk factors associated with Freegold's operations. On January 30, 2020 , the World Health Organization declared the COVID-19 outbreak a global health emergency. Reactions to the spread of COVID-19 continue to lead to, among other things, significant restrictions on travel, business closures, quarantines, and a general reduction in economic activity. While these effects have been reduced in recent months, the continuation and re-introduction of significant restrictions, business disruptions, and related financial impact, and the duration of any such disruptions cannot be reasonably estimated. The risks to Freegold of such public health crises also include employee health and safety risks and a slowdown or temporary suspension of operations in geographic locations impacted by an outbreak. Such public health crises, as well as global geopolitical crises, can result in volatility and disruptions in the supply and demand for various products and services, global supply chains, and financial markets, as well as declining trade and market sentiment and reduced mobility of people, all of which could affect interest rates, credit ratings, credit risk, and inflation. As a result of the COVID-19 outbreak, Freegold has implemented a COVID management program and established a full-service Camp at Golden Summit to attempt to mitigate risks to its employees, contractors, and community. While the extent to which COVID-19 may impact Freegold is uncertain, it is possible that COVID-19 may have a material adverse effect   on Freegold's business, results of operations, and financial condition.

SOURCE Freegold Ventures Limited

Cision View original content to download multimedia: http://www.newswire.ca/en/releases/archive/June2025/19/c8191.html

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(TheNewswire)

Silver Crown Royalties

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