Heliostar Advances Underground Mining Scenarios at the Ana Paula Project, Mexico
Heliostar Advances Underground Mining Scenarios at the Ana Paula Project, Mexico
Highlights:
重点:
The Ana Paula measured and indicated resource contains an average of 5,350 ounces of gold per vertical metre between 725-950 metres of elevation (immediately below surface)
Ana Paula测量和指示的资源在海拔725-950米之间(紧靠地表以下)每垂直米平均含有5350盎司黄金
The deposit's favourable orientation, width, and shallow depth make the resource amenable to underground mining configurations
矿床的有利方位、宽度和浅层使资源适合地下开采配置
Heliostar is currently reviewing undergound mining scenarios at multiple cut-off grades and potential throughput rates
Heliostar目前正在评估多个截止品位和潜在生产能力的地下采矿方案
Potential underground mining scenerios take advantage of the existing 412 metre long, production sized, portal and decline
潜在的地下采矿景观利用现有的412米长,生产规模,门户和下降
Vancouver, British Columbia--(Newsfile Corp. - August 3, 2023) - Heliostar Metals Ltd. (TSXV: HSTR) (OTCQX: HSTXF) (FSE: RGG1) ("Heliostar" or the "Company") is pleased to report progress on re-scoping of the current Pre-Feasibility Study ( the "PFS") at the Company's Ana Paula Project in Mexico ("Ana Paula" or the "Ana Paula Project") to evaluate potential underground mining scenarios. The Company is evaluating three underground mining scenarios, with different cut-off grades and mining rates, that are being advanced for more detailed evaluation and comparison. All three demonstrate the potential to deliver high grades early and throughout the mine life.
温哥华,不列颠哥伦比亚省-(Newsfile Corp.-2023年8月3日)-Heliostar Metals Ltd.(TSXV:HSTR)(OTCQX:HSTXF)(FSE:Rgg1)(“太阳星“或”公司“)高兴地报告了当前预可行性研究的重新确定范围的进展情况。PFS“)在公司在墨西哥的Ana Paula项目(”安娜·保拉“或”安娜·保拉项目“)评估潜在的地下采矿方案。”本公司正在评估三个地下采矿方案,它们具有不同的截止品位和采矿率,正在进行更详细的评估和比较。所有这三个方案都显示出在整个矿山寿命早期提供高品位的潜力。
Heliostar CEO, Charles Funk, commented, "We are quickly advancing the re-scoping of Ana Paula towards an underground mine. The High Grade Panel is shallow and wide with a favourable orientation for productive underground mining. The Company is refining three scenarios to choose the approach that maximises the profitability of mining and shortens the timeline to production. One of the keys to achieving this is mining high grades early in the mine life, as compared to the open pit scenario. We will choose the best outcome and work through the Feasibility Study in 2023. We expect further improvements to the mine economics as current analysis does not include the excellent results from Heliostar's 2023 drill program."
Heliostar首席执行官查尔斯·芬克评论说,我们正在迅速推进Ana Paula向地下矿山的重新划定范围。高品位面板浅而宽,有利于生产性地下采矿。公司正在细化三种方案,以选择最大化采矿盈利能力并缩短生产时间的方法。与露天矿方案相比,实现这一目标的关键之一是在矿山寿命早期开采高品位。我们将选择最佳结果,并在2023年完成可行性研究。我们预计矿山经济将进一步改善,因为目前的分析不包括Heliostar 2023年钻探计划的出色结果。
Gold Distribution within the Resource
黄金在资源中的分布
Ana Paula's 2023 PFS measured and indicated resource contains an average of 5,350 ounces of gold per vertical metre between 725-950 metres of elevation (immediately below surface). The zone ranges between a maximum of 8,540 ounces per vertical metre at 775 metres of elevation and a minimum of 1,080 ounces per vertical metre at 925 metres of elevation. The ounce distribution in the open pit portion of the resource is constrained by the 2023 PFS open pit shell and in the underground portion by a 1.6 gram per tonne (g/t) gold cutoff resource shell.
Ana Paula的2023年经测量和指示的PFS资源在海拔725-950米之间(紧靠地表以下)每垂直米平均含有5,350盎司黄金。*区域范围在海拔775米时最高为每垂直米8,540盎司,在海拔925米处最低为每垂直米1,080盎司。该资源露天部分的盎司分布受到2023年加油站露天矿壳的限制,而在地下部分则受每吨1.6克(g/t)黄金资源壳的限制。
Underground Mining Scenarios
地下采矿场景
Multiple potential mining scenarios are in review for Ana Paula. The project re-scoping is assessing the most applicable mining scenario with a focus on increasing project economics (NPV and IRR) while reducing initial CAPEX when compared to the open pit mining scenario proposed in the 2023 PFS.
Ana Paula正在审查多个潜在的采矿方案。项目范围调整正在评估最适用的采矿方案,重点是增加项目经济效益(净现值和内部收益率),同时与2023年PFS中提出的露天采矿方案相比,减少初始资本支出。
The Company contracted JDS Energy & Mining Inc., who completed the existing decline on the property, to evaluate the options. Currently, the engineers are assessing three scenarios with different cutoff grades and throughput rates for the Ana Paula deposit using the 2023 pre-feasibility study resource model. The Company will refine the options upon receipt of an updated resource model and metallurgical program results, both of which rely on drilling completed in 2023. Metallurgical results will be reported in October and an updated resource model is expected in November 2023.
该公司与JDS Energy&Mining Inc.签约,JDS Energy&Mining Inc.完成了该物业的现有下降,以评估这些选项。目前,工程师们正在使用2023年预可行性研究资源模型评估Ana Paula矿藏三种不同截止品位和产能的方案。*公司将在收到更新的资源模型和冶金计划结果后完善选项,这两者都依赖于2023年完成的钻探。冶金公司的业绩将于10月公布,更新后的资源模型预计将于2023年11月公布。他说:
The best outcome will then be selected and taken through Feasibility Study in 2024.
然后通过2024年的可行性研究选出最好的结果。他说:
Elevation breakdown from 2023 PFS Resource Estimate. Does not include Heliostar's 2023 drilling. | |||||||
Open Pit >0.6 g/t |
Underground >1.6 g/t |
Above Cutoff Grade |
|||||
Elevation |
Gold Ounces |
Gold Grade (g/t) |
Gold Ounces |
Gold Grade (g/t) |
Total Gold Ounces per 25m Elevation Step |
Gold Ounces per Vertical Metre |
Comment |
1075 |
100 |
0.70 |
- |
- |
100 |
- |
|
1050 |
6,100 |
0.87 |
- |
- |
6,100 |
250 |
|
1025 |
13,500 |
0.96 |
- |
- |
13,500 |
540 |
|
1000 |
17,300 |
0.93 |
- |
- |
17,300 |
690 |
|
975 |
12,500 |
0.86 |
- |
- |
12,500 |
500 |
|
950 |
10,900 |
0.92 |
- |
- |
10,900 |
440 |
|
925 |
27,100 |
1.44 |
- |
- |
27,100 |
1,080 |
Includes the High Grade Panel |
900 |
89,700 |
1.99 |
- |
- |
89,700 |
3,590 |
Includes the High Grade Panel |
875 |
129,300 |
1.71 |
- |
- |
129,300 |
5,170 |
Includes the High Grade Panel |
850 |
160,600 |
1.90 |
- |
- |
160,600 |
6,420 |
Includes the High Grade Panel |
825 |
185,600 |
2.26 |
- |
- |
185,600 |
7,420 |
Includes the High Grade Panel |
800 |
199,500 |
2.70 |
- |
- |
199,500 |
7,980 |
Includes the High Grade Panel |
775 |
212,200 |
3.06 |
1,200 |
2.25 |
213,400 |
8,540 |
Includes the High Grade Panel |
750 |
135,400 |
2.47 |
1,400 |
2.22 |
136,800 |
5,470 |
Includes the High Grade Panel |
725 |
58,300 |
1.89 |
2,900 |
2.25 |
61,200 |
2,450 |
Includes the High Grade Panel |
700 |
11,900 |
1.10 |
4,600 |
2.26 |
16,500 |
660 |
|
675 |
2,100 |
1.03 |
6,000 |
2.44 |
8,100 |
320 |
|
650 |
- |
- |
13,100 |
2.42 |
13,100 |
520 |
|
625 |
- |
- |
7,200 |
2.52 |
7,200 |
290 |
|
600 |
- |
- |
7,800 |
2.39 |
7,800 |
310 |
|
575 |
- |
- |
6,900 |
2.47 |
6,900 |
270 |
|
550 |
- |
- |
2,800 |
2.01 |
2,800 |
110 |
|
525 |
- |
- |
5,400 |
2.50 |
5,400 |
210 |
|
500 |
- |
- |
7,100 |
1.98 |
7,100 |
280 |
|
475 |
- |
- |
21,700 |
2.79 |
21,700 |
870 |
Expansion Zone |
450 |
- |
- |
39,700 |
3.18 |
39,700 |
1,590 |
Expansion Zone |
425 |
- |
- |
30,700 |
2.68 |
30,700 |
1,230 |
Expansion Zone |
400 |
- |
- |
17,900 |
2.45 |
17,900 |
720 |
Expansion Zone |
375 |
- |
- |
1,100 |
2.21 |
1,100 |
40 |
Expansion Zone |
350 |
- |
- |
8,800 |
6.54 |
8,800 |
350 |
Expansion Zone |
325 |
- |
- |
18,700 |
5.27 |
18,700 |
750 |
Expansion Zone |
300 |
- |
- |
2,400 |
2.96 |
2,400 |
90 |
2023年PFS资源估计的高程细目。不包括Heliostar的2023年钻探。 | |||||||
露天矿坑>0.6克/吨 |
地下>1.6克/吨 |
高于分界线坡度 |
|||||
高程 |
黄金盎司 |
黄金等级(克/吨) |
黄金盎司 |
黄金等级(克/吨) |
每25米海拔台阶总黄金盎司 |
每垂直米黄金盎司 |
评论 |
1075 |
100个 |
0.70 |
- |
- |
100个 |
- |
|
1050 |
6100 |
0.87 |
- |
- |
6100 |
250个 |
|
1025 |
13,500人 |
0.96 |
- |
- |
13,500人 |
540 |
|
1000 |
17,300 |
0.93 |
- |
- |
17,300 |
六百九十 |
|
975 |
12,500 |
0.86 |
- |
- |
12,500 |
500人 |
|
九百五十 |
10,900 |
0.92 |
- |
- |
10,900 |
四百四十 |
|
九百二十五 |
27,100 |
1.44 |
- |
- |
27,100 |
1080 |
包括高级面板 |
九百 |
89,700 |
1.99 |
- |
- |
89,700 |
3590 |
包括高级面板 |
八百七十五 |
129,300 |
1.71 |
- |
- |
129,300 |
5170 |
包括高级面板 |
八百五十 |
160,600 |
1.90 |
- |
- |
160,600 |
6420 |
包括高级面板 |
八百二十五 |
185,600 |
2.26 |
- |
- |
185,600 |
7,420 |
包括高级面板 |
800 |
199,500人 |
2.70 |
- |
- |
199,500人 |
7980 |
包括高级面板 |
775 |
212,200 |
3.06 |
1,200 |
2.25 |
213,400人 |
8,540 |
包括高级面板 |
七百五十 |
135,400 |
2.47 |
1400 |
2.22 |
136,800 |
5470 |
包括高级面板 |
七百二十五 |
58,300 |
1.89 |
2900 |
2.25 |
61,200 |
2450 |
包括高级面板 |
七百 |
11,900人 |
1.10 |
4600 |
2.26 |
16,500人 |
六百六十 |
|
六百七十五 |
2100 |
1.03 |
6,000人 |
2.44 |
8,100 |
320 |
|
六百五十 |
- |
- |
13,100 |
2.42 |
13,100 |
五百二十 |
|
六百二十五 |
- |
- |
7200 |
2.52 |
7200 |
二百九十 |
|
六百 |
- |
- |
7,800 |
2.39 |
7,800 |
310 |
|
575 |
- |
- |
6900 |
2.47 |
6900 |
270 |
|
550 |
- |
- |
2800 |
2.01 |
2800 |
110 |
|
五百二十五 |
- |
- |
5,400 |
2.50 |
5,400 |
210 |
|
500人 |
- |
- |
7100 |
1.98 |
7100 |
二百八十 |
|
四百七十五 |
- |
- |
21700 |
2.79 |
21700 |
八百七十 |
扩张区 |
四百五十 |
- |
- |
39,700 |
3.18 |
39,700 |
1,590 |
扩张区 |
四百二十五 |
- |
- |
30,700 |
2.68 |
30,700 |
1230 |
扩张区 |
四百 |
- |
- |
17,900人 |
2.45 |
17,900人 |
720 |
扩张区 |
三百七十五 |
- |
- |
1100 |
2.21 |
1100 |
40岁 |
扩张区 |
350 |
- |
- |
8,800 |
6.54 |
8,800 |
350 |
扩张区 |
325 |
- |
- |
18,700人 |
5.27 |
18,700人 |
七百五十 |
扩张区 |
300个 |
- |
- |
2400 |
2.96 |
2400 |
90 |
Table 1: Weighted Average measured and indicated gold grades and total ounces by elevation from 2023 PFS Resource1. Results may slightly vary from resource estimate due to rounding.
表1:数据从2023年PFS资源1起,按海拔高度加权平均已测量和指示的黄金品位和总盎司1。由于四舍五入,结果可能与资源估计略有不同。
Statement of Qualified Person
合资格人士的陈述
Samuel Anderson, CPG., a Qualified Person, as such term is defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101"), has reviewed the scientific and technical information that forms the basis for this news release and has approved the disclosure herein.
国家仪器43-101定义的合格人员,CPG Samuel Anderson-《矿产项目信息披露标准》(“NI 43-101“),审查了构成本新闻稿基础的科学和技术信息,并批准在此披露。
About Heliostar Metals Ltd.
关于Heliostar Metals Ltd.
Heliostar is a junior mining company with a portfolio of high-grade gold projects in Mexico and Alaska.
Heliostar是一家初级矿业公司,在墨西哥和阿拉斯加拥有一系列高品位金矿项目。
The Company is focused on developing the 100% owned Ana Paula Project in Guerrero, Mexico. In addition, Heliostar is working with the Mexican federal and local government to permit the San Antonio Gold Project in Baja Sur, Mexico. The Company continues efforts to explore the Unga Gold Project in Alaska, United States of America.
该公司专注于开发墨西哥格雷罗州全资拥有的Ana Paula项目。此外,Heliostar正在与墨西哥联邦和地方政府合作,批准墨西哥巴哈苏尔的圣安东尼奥金矿项目。本公司继续努力勘探位于美国阿拉斯加的Unga金矿项目。
The Ana Paula Project deposit contains proven and probable mineral reserves of 1,081,000 ounces of gold (630,000 proven and 451,000 probable ounces) at 2.38 grams per tonne ("g/t") gold and 2,547,000 ounces of silver (1,322,000 proven and 1,226,000 probable ounces) at 5.61 g/t silver. Ana Paula hosts measured and indicated resources of 1,468,800 ounces of gold (703,800 measured and 765,000 indicated ounces) at 2.16 g/t gold and 3,600,000 ounces of silver (1,637,000 measured and 1,963,000 indicated ounces) at 5.3 g/t silver. The asset is permitted for open-pit mining and contains significant existing infrastructure including a portal and a 412-metre-long decline.
Ana Paula项目矿床的已探明及可能矿产储量为1,081,000盎司黄金(630,000探明及可能盎司),每吨2.38克黄金及2,547,000盎司白银(1,322,000已探明及1,226,000盎司),白银5.61克/吨。Ana Paula主持测量和指示的黄金资源为1,468,800盎司(测量为703,800盎司,指示盎司为765,000盎司),黄金为2.16克/吨,白银为3,600,000盎司(测量为1,637,000盎司,指示盎司为1,963,000盎司),白银为5.3克/吨。该资产被允许用于露天采矿,并包含重要的现有基础设施,包括一个门户和一个412米长的坡道。
References
参考文献
An updated prefeasibility study titled "Ana Paula Project NI 43-101 Technical Report Preliminary Feasibility Study Update" was filed on SEDAR on April 6, 2023, with an effective date of February 28, 2023, prepared for the Company by Daniel H. Neff, PE, Art S. Ibrado, PhD, PE, Richard K. Zimmerman, RG, SME-RM, Craig Gibson, PhD, CPG, Andrew Kelly, P.Eng., Gordon Zurowski, P.Eng., Paul Daigle, P.Geo., Gilberto Dominguez, PE and James A. Cremeens, PE, PG.
由Daniel·内夫,PE,Art S.iBrado,PhD,PE,Richard K.Zimmerman,RG,SME-RM,Craig Gibson,Phd,CPG,Andrew Kelly,P.eng,Gordon Zurowski,P.Eng,Paul Zurowski,P.Eng,Paul Daigle,P.Geo,Gilberto Domguez,PE,James A.Cremeens,PE,PG为公司准备的题为《安娜·保拉项目NI 43-101技术报告初步可行性研究更新》的最新预可行性研究于2023年4月6日提交给SEDAR,生效日期为2023年2月28日。
For additional information please contact:
如需更多信息,请联系:
Charles Funk
查尔斯·芬克
Chief Executive Officer
Heliostar Metals Limited
Email: charles.funk@heliostarmetals.com
首席执行官
Heliostar Metals Limited
电子邮件:charles.funk@heliostarmetals.com
Rob Grey
罗布·格雷
Investor Relations Manager
Heliostar Metals Limited
Email: rob.grey@heliostarmetals.com
投资者关系经理
Heliostar Metals Limited
电子邮件:rob.grey@heliostarmetals.com