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TNR Gold NSR Royalty Update - Los Azules Copper, Gold and Silver Project - McEwen Copper Announces Completion of the Feasibility Drilling Program

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TNR Gold has announced that McEwen Mining has completed its feasibility drilling program at the Los Azules copper, gold, and silver project in Argentina. TNR Gold holds a 0.4% net smelter return (NSR) royalty on the project.

The program included 70,000 meters of drilling, with significant results such as 349m of 0.77% Cu and 382.5m of 0.54% Cu. The main objectives were to confirm the deposit size and grade, test for extensions, and explore new mineralized areas.

Initial interpretations indicate an increase in Measured and Indicated resources. The drilling also found mineralization beyond the current pit boundaries. A new porphyry system, 3 km east of the Los Azules deposit, shows promising early results.

The feasibility study will be completed by early 2025, with the focus on converting initial 5-year mineable resources to Measured and Indicated categories. Comprehensive exploration and geotechnical work are also ongoing.

Positive
  • Completion of 70,000 meters drilling at Los Azules project.
  • Significant intercepts include 349m of 0.77% Cu and 382.5m of 0.54% Cu.
  • Initial interpretations indicate an increase in Measured and Indicated resources.
  • Mineralization found beyond current pit boundaries, suggesting potential for resource expansion.
  • Discovery of a new porphyry system, 3 km east of Los Azules, with promising initial results.
  • Feasibility study on track for completion by early 2025.
  • Comprehensive exploration and geotechnical work ongoing.
  • Focus on converting initial 5-year mineable resources to Measured and Indicated categories.
  • Positive exploration results south of the planned pit, extending the mineralized porphyry.
Negative
  • No specific negative aspects were highlighted in the press release.

Vancouver, British Columbia--(Newsfile Corp. - May 21, 2024) - TNR Gold Corp. (TSXV: TNR) ("TNR", "TNR Gold" or the "Company") is pleased to announce that McEwen Mining Inc. ("McEwen Mining") has provided an update on the Los Azules copper, gold and silver project in San Juan, Argentina. TNR holds a 0.4% net smelter returns royalty ("NSR Royalty") (of which 0.04% of the 0.4% NSR Royalty is held on behalf of a shareholder) on the Los Azules Copper Project. The Los Azules project is held by McEwen Copper Inc. ("McEwen Copper"), a subsidiary of McEwen Mining.

The news release issued by McEwen Mining on May 16, 2024 stated:

"70,000 meters completed, highlights include:

349.0 m of 0.77% Cu, including 232.0 m of 0.86% Cu (AZ23292)

382.5 m of 0.54% Cu, including 74.0 m of 0.86% Cu (AZ23277)

McEwen Copper Inc., 47.7% owned by McEwen Mining Inc., is pleased to provide the assay results from the currently completed drill season at the Los Azules project in Argentina. The prime objectives of this season's infill drilling campaign were: 1. to confirm the size and grade of the deposit as compared to the 2023 PEA estimate and upgrade the resource categories for the upcoming feasibility study; 2. test for extensions of mineralization beyond the current pit shell; and 3. explore our large property package for other mineralized areas.

Based on the assay results received to date, our first objective appears to have been met. Initial interpretation suggests that our infill drilling will result in an increase in Measured and Indicated resources and an overall mineral inventory within 5% of the PEA estimate. Testing for extensions beyond the planned pit has successfully encountered mineralization both to the north and to the south. Primary mineralization was intercepted (202.0 m of 0.20% Cu) over 400 meters north of last year's deep exploration hole, confirming its extension at depth a significant distance to the north. Exploration south of the planned pit has intercepted the principal mineralized intrusive more than 700 meters south of previous drill intercepts and indicates that prospective intrusives continue well to the south of the pit.

Exploration over our property has produced an intriguing target, late in the season. Initial results of a concession-wide regional mapping and sampling campaign have identified strong evidence of a large porphyry system 3 kilometers east of the Los Azules deposit. Porphyry-style veining and quartz vein stockworks with copper oxide mineralization have been recognized within this new target, with assay results pending.

Additionally, this news release covers all results from the first half of the 2023-24 drill program (see Table 1). Final results will be published when all the geochemistry is completed.

The objective of the 2023-2024 drilling campaign is to collect all the necessary information to support the completion of the Los Azules Feasibility Study by early 2025. This information continues to arrive and will be processed in the following months. Resource drilling is focused on converting all the mineralization to be mined in the first 5 years to Measured and Indicated resource, to increase confidence during the payback period. Geotechnical, metallurgical, hydrogeological, exploration, and condemnation drilling are also being performed.

Highlights

  • Hole AZ23292 returned an intercept of 349 m of 0.77% Cu (approx. true thickness). The Enriched zone portion of this hole extends over 346 meters and includes an intercept of 232 m of 0.86% Cu.
  • Hole AZ23277 has an intercept of 382.5 m of 0.54% Cu (approx. true thickness). The Enriched zone portion of this hole extends over 306 meters with a grade of 0.61% Cu and includes an intercept of 74 m of 0.86% Cu.

Results

Results are summarized in two schematic cross sections (Figures 2 and 3), which include simplified interpretations of the Overburden, Leached, Enriched and Primary zones. The Enriched mineral zone refers to the enrichment of a copper deposit by precipitation-derived water circulation that carries copper minerals downward through the rocks to accumulate in a thick, often horizontal "blanket". Immediately above the Enriched zone is the Leached zone, from which copper was removed and transported. Weathering and oxidation often aid in this process. Below the Enriched zone, the Primary (or Hypogene) zone is formed by ascending copper-rich fluids having a much deeper magmatic origin. The green line on the sections indicates the pit floor of the 30-year pit shell from the 2023 NI 43-101 Preliminary Economic Assessment (PEA).

Figure 1 presents a plan view of the location of two sections and the holes reported. Adjacent cross sections are located 50 m apart from each other, starting with the lowest numbered section at the south end of the deposit and progressing to the north.

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Figure 1 - Plan View Location of Cross-sections and Drill Holes Reported in this News Release

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2014/209892_f74f380c94be7beb_003full.jpg

Figure 2 displays an intercept of 349 m grading 0.77% Cu (AZ23292) and includes232 m grading 0.86% Cu within the Enriched zone. This hole extends higher-grade Enriched zone mineralization in the center of the section to the east and at depth.

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Figure 2 - Section 40 - Drilling, Mineralized Zones and 30-year PEA Pit (Looking North)

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https://images.newsfilecorp.com/files/2014/209892_f74f380c94be7beb_004full.jpg

Figure 3 highlights a 382.5 m interval grading 0.54% Cu (AZ23277) and includes an interval of 74 m grading 0.86% Cu within the Enriched zone. This hole extends higher-grade mineralization in the eastern portion of the Enriched zone to the east and at depth.

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Figure 3 - Section 52 - Drilling, Mineralized Zones and 30-year PEA Pit (Looking North)

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https://images.newsfilecorp.com/files/2014/209892_f74f380c94be7beb_005full.jpg

Growing the Deposit

Exploration hole AZ23241 (Figure 4) intersected a long interval of low-grade mineralization in the Primary Zone (202.0 m of 0.20% Cu) and began to enter higher-grade mineralization at the end of the hole (12.0 m of 0.44% Cu). This hole is located completely outside of the 2023 PEA base case mineable pit shell. This hole is over 400 meters to the north of exploration hole AZ22174, also located outside of the 2023 PEA base case mineable pit shell, which encountered 1,052.0 m of 0.29% Cuincluding 480 m of 0.42% Cu (Figure 4). These intercepts suggest that primary mineralization continues at depth a significant distance to the north. Exploration drilling south of the deposit has extended the presence of the early mineral porphyry more than 700 meters south of previous drilling and well outside of the southern pit boundary. This porphyry is host for the majority of the mineralization at Los Azules and encountering it a significant distance farther south indicates that the deposit may also continue in this direction. Assays for these holes are pending.

A comprehensive structural model for the deposit has been completed that will provide a better understanding of structural controls on the deposit and aid in future exploration work. Field verification of a previous property-wide structural study using satellite information was carried out in January and has refined the identification of nearby exploration targets.

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Figure 4 - North-South Longitudinal Section (Looking East) With Deep Exploration Holes to the North and Exploration Holes to the South With Early Mineral Porphyry Shown in Red

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https://images.newsfilecorp.com/files/2014/209892_f74f380c94be7beb_006full.jpg

Indications of Another Porphyry Copper System Nearby

To date, geological mapping and geochemical sampling has been focused primarily near the Los Azules deposit and only covers roughly 40% of our large concession. To address this limitation, a mapping and sampling campaign was begun in December, to obtain 100% coverage of our concession.

Early results of this work have identified a large new porphyry system 3 kilometers east of Los Azules. Preliminary work has identified porphyry-style veining and alteration, indicating the presence of a porphyry copper system. Areas with strong quartz vein stockworking and the recognition of copper oxides at surface add to the prospectiveness of this newly identified area (Figure 5).

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Figure 5 - Quartz Stockwork Veining and Copper Oxides Identified at Surface in Porphyry Copper System 3 Kilometers East of Los Azules

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2014/209892_f74f380c94be7beb_007full.jpg

Table 1 summarizes copper (Cu), gold (Au) and silver (Ag) assay results received from October 2023 to December 31, 2023.

Table 1 - Recent Los Azules Drilling Results

Hole-ID
Section
Predominant
Mineral Zone
From
(m)
To
(m)
Length
(m)
Cu
%
Au
(g/t)
Ag
(g/t)
Comment
AZ2323850-51Total102.0201.099.01.020.072.75


Enriched102.0201.099.01.020.072.75
AZ2323935Total48.0225.5177.50.610.071.61


Enriched48.0225.5177.50.610.071.61Incl. 86.0m of 0.76% Cu
AZ2324041Total104.0224.5120.50.980.111.53


Enriched104.0224.5120.50.980.111.53Incl. 112.5m of 1.04% Cu
AZ2324171Total18.0740.0722.00.110.010.63


Enriched18.0300.0282.00.070.010.60


Primary538.0740.0202.00.200.010.72Incl. 12.0m of 0.44% Cu
AZ2324245Total86.0200.0114.00.920.081.77


Enriched86.0200.0114.00.920.081.77
AZ2324346Total82.0150.068.00.530.041.26


Enriched82.0150.068.00.530.041.26
AZ23244A43-44Total92.0230.3138.30.540.051.66


Enriched92.0230.3138.30.540.051.66Incl. 112.0m of 0.63% Cu
AZ2324543Total86.0220.7134.70.990.061.74


Enriched86.0220.7134.70.990.061.74
AZ2324639-38Total123.0235.1112.11.040.112.34


Enriched123.0235.1112.11.040.112.34Incl. 81.1m of 1.15% Cu
AZ2324842Total98.0227.0129.00.870.081.71


Enriched98.0227.0129.00.870.081.71Incl. 93.0m of 1.02% Cu
AZ2324940Total88.0219.6131.60.370.051.08


Enriched88.0219.6131.60.370.051.08Incl. 52.0m of 0.46% Cu
AZ2325038Total114.0210.096.00.690.061.05


Enriched114.0210.096.00.690.061.05
AZ2325156Total82.0430.8348.80.370.051.65


Enriched82.0198.0116.00.400.031.10Incl. 40.0m of 0.67% Cu


Primary198.0430.8232.80.360.061.93
AZ2325254Total86.0172.186.10.520.071.22


Enriched86.0172.186.10.520.071.22
AZ2325336Total96.0307.0211.00.280.010.35


Enriched96.0290.0194.00.290.010.36


Primary290.0307.017.00.190.020.25
AZ2325441Total147.5200.052.50.270.052.23


Enriched147.5200.052.50.270.052.23Incl. 18.5m of 0.57% Cu
AZ2325545Total120.5253.7133.20.550.041.36


Enriched120.5253.7133.20.550.041.36Incl. 64.0m of 0.74% Cu
AZ2325739Total87.0202.0115.00.280.041.50


Enriched87.0202.0115.00.280.041.50Incl. 24.0m of 0.60% Cu
AZ23258A28Total62.0347.0285.00.500.050.95


Enriched62.0300.0238.00.560.060.87Incl. 142.0m of 0.63% Cu


Primary300.0347.047.00.220.031.34
AZ23259MET50Total115.0347.0232.00.460.020.93


Enriched115.0334.0219.00.480.020.96Incl. 114.0m of 0.73% Cu


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FAQ

What is the significance of TNR Gold's NSR royalty on the Los Azules project?

TNR Gold holds a 0.4% NSR royalty on the Los Azules copper, gold, and silver project, providing them with a share of the revenue.

What were the key drilling results at Los Azules reported by McEwen Mining?

Significant results include 349m of 0.77% Cu and 382.5m of 0.54% Cu, indicating a strong mineral presence.

What are the objectives of the Los Azules drilling program?

The objectives include confirming deposit size and grade, testing for extensions, and exploring new mineralized areas.

When is the feasibility study for the Los Azules project expected to be completed?

The feasibility study is expected to be completed by early 2025.

What new geological discoveries were made at Los Azules?

A new porphyry system was discovered 3 km east of the Los Azules deposit, showing promising initial results.

What is the focus of the 2023-2024 drilling campaign at Los Azules?

The focus is on converting initial 5-year mineable resources to Measured and Indicated categories, and ongoing geotechnical and exploration work.

What does TNR Gold's involvement in Los Azules mean for investors?

TNR Gold's 0.4% NSR royalty on a promising project like Los Azules could potentially provide revenue and enhance shareholder value.

How far has mineralization been found beyond the current pit boundaries at Los Azules?

Mineralization was found over 400 meters north and 700 meters south of the current pit boundaries.

TNR GOLD CORPORATION ORD

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