Argonaut Gold Inc. (TSX: AR) is pleased to announce recent positive drill results from deep drilling at Magino with high-grade intercepts below. The ongoing drill program continues to intersect multiple zones of mineralization at depth along a strike length of 1500 meters (Table 1, Figure 1), reinforcing the underground expansion potential below the planned Magino open pit.
“The drill results further demonstrate the potential of a mineral resource expansion at depth at the Magino Project. We continue to receive assays, and our goal is to expand the mineral resource envelope to include an open pit and underground scenario to meaningfully extend the project’s mine life and increase mine profitability,” commented Larry Radford, President and CEO of Argonaut Gold.
Table 1: Selected Results from the Magino Drill Program Targeting High-Grade Gold Mineralization at Depth
|Azimuth||Dip||From||To||Length||Grade *||Estimated True|
|Hole No.||Zone||(metres)||(metres)||(metres)||(Au g/t)||Width (meters)|
** Downdip intersections with true width unknown at this time
A table of the full drill results as well as maps are available on the Company’s website at https://www.argonautgold.com/English/assets/drill-results/default.aspx
The deep drilling programme has now tested the gold mineralization along a 1.5km trend to depths great than 1km.With the Elbow and Central Zones on the eastern margins and the South Zone on the west, a large-scale mineralized system has been shown to continue significantly down dip below the planned open pit. To date the company has drilled over 130,000 metres to establish the resource continuity of the mineralized system.
In the eastern area of the Magino deposit, drilling this year has focused on establishing continuity of higher-grade mineralization in the Elbow and Central Zones (Figure 1). Thirty (30) diamond drill holes totaling 19,300m were completed to infill drill spacing to between 40 and 50 meters. Results demonstrate good continuity of the mineralised zones and as expected an erratic nature to the higher grades. Highlights included hole MA22-132 which returned 8.33 g/t Au over a sample length of 11.0 m from the Elbow zone and 11.61 g/t Au over 3.0 m in the Central Zone (Figures 1 and 3). Many assays are still pending from this program, and Argonaut expects to issue a further update when received in September. Concurrently, Argonaut is conducting a model update along with preliminary scoping-level underground design and costing.
Second-pass follow-up drilling is in progress to further define gold resources along the Scotland, #42, Sandy, and South Zones in the central and western regions of the deposit. Although a considerable number of assays are still pending, initial results are encouraging with several high-grade intercepts over a large area below the planned Magino pit. Highlights include 7.44 g/t Au over 13.0m in the #42 Zone including 24.4 g/t Au over 1.3m and 87.2 g/t Au over 0.65 m in hole MA22-134 (Figures 1 and 3). The Sandy zone also returned 14.25 g/t Au over 2.0 m.
In the South Zone drilling focused on extending known mineralization beneath the western extents of the open pit to vertical depths exceeding 1000m. Drilling encountered north dipping veins as expected as well as several south dipping veins. This resulted in a few intercepts where veins were drilled sub-parallel to the core axis. These intercepts have been identified in the drill tables with double asterix (**) and the true widths are indeterminant at this time. In the north dipping veins where drilling crossed near-perpendicular, highlights include 7.50 g/t Au over 13.0m in hole MA21-104 and 14.3 g/t Au over 5.0m in wedge hole MA22-114W1A (Figures 1 and 2).
The ongoing program has produced mineralized intervals at depth across the deposit footprint. Argonaut will continue exploratory drilling in the near-mine environment through the end of year and plans to initiate first-pass district exploration drilling during the winter season on several targets to the south and west of Magino. Although many assays are pending, Argonaut expects to release further results in the upcoming months.
Qualified Person Comments / Quality Control Procedures
Technical information and preparation of this press release was supervised and approved by Brian Arkell, Argonaut Gold’s Vice President Exploration and Mine Technical Services, and a Qualified Person under NI 43-101. Mr. Arkell also reviewed the diamond drilling, sampling, and on-site sample preparation procedures at Magino.
The Company has a QA/QC program to ensure sampling and analysis of all exploration work is conducted in accordance with the CIM Exploration Best Practices Guidelines. Drill hole is logged, and sample intervals tagged by geologic personnel. Cores are then photographed and sawn in half by experienced geo-technicians, sampled and placed in numbered plastic bags, then gathered in rice bags which are sealed with tamper-proof security tags under the supervision of the project geologists. Independent assay lab personnel retrieve and transport samples to the independent commercial assay lab. The other half of the core is retained for future assay verification and/or metallurgical testing.
For sample analysis, the Company utilizes a system of Quality Assurance/Quality Control that includes insertion and verification of standards, blanks, and duplicates consistent with industry standards.
Sample preparation and assaying was conducted by Activation Laboratories, Thunder Bay, Ontario. The laboratory has its own QA/QC protocols, and inserts standards, blanks, and duplicate samples in each batch stream. Gold analysis is conducted by lead collection, fire assay with a gravimetric finish on a 50-gram sample. Metallic screen fire assaying is completed using a 1.0 kg sample and two 50 gm fire assays of the pass (-100 mesh) pulverized material on all samples containing visible gold. Check assays are conducted at a secondary ISO certified laboratory.
Creating Value Beyond Gold
Qualified Person, Technical Information and Mineral Properties Reports
Technical information included in this release was supervised and approved by Brian Arkell, Argonaut’s Vice President, Exploration and a Qualified Person under NI 43-101.
About Argonaut Gold
Argonaut Gold is a Canadian gold company engaged in exploration, mine development and production. Its primary assets are the El Castillo mine and San Agustin mine, which together form the El Castillo Complex in Durango, Mexico, the La Colorada mine in Sonora, Mexico and the Florida Canyon mine in Nevada, USA. The Company also holds the construction stage Magino project, the advanced exploration stage Cerro del Gallo project and several other exploration stage projects, all of which are located in North America.
Figure 1: Plan Map of Magino Showing Locations of drill holes in this Press Release (CNW Group/Argonaut Gold Inc.)
Figure 2: Deep Drilling Cross Section (CNW Group/Argonaut Gold Inc.)
Figure 3: Deep Drilling Cross Section (CNW Group/Argonaut Gold Inc.)
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We acknowledge the [financial] support of the Government of Canada.