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Filo Extends Aurora 260m Northeast with 1,131m at 0.57% CuEq; Expands Bonita 700m East with 879m at 0.47% CuEq

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Filo Extends Aurora 260m Northeast with 1,131m at 0.57% CuEq; Expands Bonita 700m East with 879m at 0.47% CuEq

 

 

 

 

 

Filo Corp. (TSX: FIL) (Nasdaq First North Growth Market: FIL) (OTCQX: FLMMF) announces assay results from three holes testing extensions to the Aurora and Bonita Zones and the Gemelos target at the Filo del Sol Project in San Juan, Argentina. Highlights and detailed results are shown below along with accompanying figures:

  • Drillhole FSDH083 extends the Filo-Aurora trend 260m to the northeast with 1,131m at 0.57% CuEq from 419m including:
    • 112m at 0.70% CuEq from 560m
    • 210m at 0.80% CuEq from 970m
  • Drillhole FSDH085 expands the Bonita Zone 700m to the east with 879m at 0.47% CuEq from 320m including:
    • 8m at 7.09% CuEq from 18m
    • 456m at 0.53% CuEq from 658m
  • A shallow intermediate sulphidation breccia vein intersected at 18m depth in FSDH085 is similar in style to the Maranceles veins which outcrop some 600m to the north of this hole. This interval returned silver grades up to 1,100 g/t over a 0.5m width and gold values up to 12.05 g/t over 2.0m, upgrading this area, and the Maranceles veins, as high priority exploration targets.

 

HOLE-ID From (m) To (m) Length (m) Cu % Au g/t Ag g/t CuEq1 %
FSDH082 No Significant Values
FSDH083 418.7 1549.8 1131.1 0.43 0.15 2.8 0.57
 incl 560.0 672.0 112.0 0.52 0.17 6.2 0.70
 and incl 970.0 1180.0 210.0 0.61 0.22 2.1 0.80
FSDH085 18.0 26.0 8.0 0.98 3.15 433.8 7.09
plus 320.0 1199.0 879.0 0.32 0.13 6.0 0.47
incl 658.0 1114.4 456.4 0.38 0.14 5.8 0.53
incl 658.0 667.0 9.0 0.33 0.07 156.8 1.76
1Copper Equivalent (CuEq) for drill intersections is calculated based on US$ 3.00/lb Cu, US$ 1,500/oz Au and US$ 18/oz Ag, with 80% metallurgical recoveries assumed for all metals. The formula is: CuEq % = Cu % + (0.7292 * Au g/t) + (0.0088 * Ag g/t).
Mineralized zones at Filo del Sol are typically bulk porphyry-style zones and drilled widths are interpreted to be very close to true widths. Additional drilling is required to estimate the true widths of the vein zones intersected in FSDH085.

 

Commenting on the release, Jamie Beck, President and CEO stated, “Aurora continues to grow towards Bonita with hole 83. We currently have three holes underway which will provide critical information on the potential continuity of mineralization between these two zones.” Mr. Beck continued, “Hole 85 is an incredible result, demonstrating Bonita’s significant potential size and dramatically expanding the size of the mineralized footprint at Filo. It expands Bonita 700m to the east, sits 1.7km northeast of hole 83, and extends Filo del Sol’s strike to over 5km from our most southerly mineralized hole in Tamberias. No unmineralized holes have been drilled in between and we hope to keep this streak going. It’s also exciting to have intersected shallow, high-grade vein style mineralization in hole 85, similar to what we see at our Maranceles target to the north.”

 

FSDH082 was drilled into the Gemelos target from the same collar as FSDH079 but towards the east. The hole reached a final depth of 840m, intersecting a rhyolite sequence similar to the host rocks at Filo and Aurora. The sequence is variably altered and pyritized, defining the broad, and classic, pattern of a high-sulfidation epithermal system. In general, the intensity and extent of the alteration is better developed in hole FSDH079 than in FSDH082. This style of advanced argillic alteration with associated high-sulfidation sulfide mineralization is linked to porphyry Cu mineralization elsewhere along the Filo del Sol alignment, suggesting it is also likely to be present at Gemelos, albeit not immediately at depth in the drilled area but perhaps along a northeast or southwest strike from this zone. Gemelos is the southern extent of the much larger Potro Cliffs alteration zone and additional drilling is required to fully test the extent of this zone on Filo’s property.

 

FSDH083 was collared Section 09900N and drilled to the west at -70 degrees. It is a 260m step-out to the northeast of FSDH073 and is now the most northerly intersection into the Filo-Aurora trend. The hole intersected rhyolite to a depth of 650m where it passed into the mineralized breccia. It continued in the breccia to its end at 1,550m with only two late mineral porphyry intersections cutting it. The breccia is dominated by rhyolite clasts down to about 1,060m where granite becomes more abundant.

 

The hole ended in mineralization, with the last 20m averaging 0.66% CuEq (0.59% Cu, 0.04 g/t Au, 4.2 g/t Ag) including one narrow pyrite-enargite vein which returned 8.36% Cu over 0.6m.

 

FSDH085 was a 750m step-out to the east of FSDH075 in the Bonita Zone. Mineralized float at surface led to trenching which uncovered additional mineralization providing encouragement to test this area for continuation of the Bonita Zone. The hole was collared on Section 11000N and was drilled towards the west at -70 degrees.

 

The hole encountered a series of mostly narrow (<1m) intermediate sulphidation veins and breccias from the collar down to the start of the main mineralized zone at 320m. The most significant of these zones is broken out in the table above, starting at 18.0m, but several narrower veins were intersected including at 2.0m (1.09 g/t Au), at 113.6m (2.89% Cu, 23 g/t Ag), at 153.9m (2.05% Cu, 116 g/t Ag), at 185.8m (0.62% Cu, 21 g/t Ag) and at 260.5m (2.69% Cu, 26 g/t Ag). These intervals are less than a metre thick, with elevated Au and Ag, and are similar to veins trenched on surface at Maranceles some 600m to the north. Together with the Maranceles surface outcrops, these intervals provide evidence of a possible intermediate sulphidation vein system in this area and additional work is planned to test this target.

 

Hole 85 ended in mineralization at a final depth of 1,199m (last 21m at 0.25% CuEq (0.20% Cu, 0.05 g/t Au, 1.4 g/t Ag)), dramatically expanding the size of the mineralized footprint at Filo. FSDH075 is the closest hole to this one, with mineralization open in all directions around it.

 

Outlook

 

Drilling is ongoing with nine rigs active on the project, and winter drilling is focused on Aurora infill and the Aurora-Bonita gap. Assay results for completed holes will be released as they are received, analyzed, and confirmed by the Company. Three holes are underway in the Aurora-Bonita gap, five holes are working on Aurora and Filo infill, and one rig is completing the last of a series of geotechnical holes to examine a potential future underground exploration adit.

 

About Filo del Sol

 

Filo del Sol is a high-sulphidation epithermal copper-gold-silver deposit associated with one or more large porphyry copper-gold systems. Overlapping mineralizing events combined with weathering effects, including supergene enrichment, have created several different styles of mineralization, including structurally controlled and breccia-hosted gold, manto-style high-grade silver (+/- copper) and high-grade supergene enriched copper within a broader envelope of disseminated, stockwork and breccia-hosted sulphide copper and gold mineralization. This complex geological history has created a heterogeneous orebody which is characterized by zones of very high-grade copper +/- gold +/- silver mineralization within a large envelope of more homogeneous, lower-grade mineralization.

 

Qualified Persons and Technical Notes

 

The scientific and technical disclosure for the Filo del Sol Project included in this news release have been reviewed and approved by Bob Carmichael, B.A.Sc., P.Eng. who is the Qualified Person as defined by NI 43-101. Mr. Carmichael is Vice President, Exploration for the Company. Samples were cut at Filo’s operations base near the town of Guañizuil, Argentina by Company personnel. Diamond drill core was sampled in 2 metre intervals (except where shortened by geological contacts) using a rock saw for sulphide mineralization. Oxide mineralization was cut with a core splitter in order to prevent dissolution of water-soluble copper minerals during the wet sawing process. Core diameter is a mix of PQ, HQ and NQ depending on the depth of the drill hole. RC samples were collected at the drill site by Company personnel with splitting carried out at the Company’s field camp near the drill sites. Individual samples represent final splits from 2 metre intervals down the hole. Samples were bagged and tagged and packaged for shipment by truck to the ALS preparation laboratory in Mendoza, Argentina where they were crushed and a 500g split was pulverized to 85% passing 200 mesh. The prepared samples were sent to the ALS assay laboratories in either Lima, Peru or Santiago, Chile for copper, gold and silver assays, and multi-element ICP and sequential copper analyses. ALS is an accredited laboratory which is independent of the Company. Gold assays were by fire assay fusion with AAS finish on a 30g sample. Copper and silver were assayed by atomic absorption following a 4-acid digestion. Samples were also analyzed for a suite of 36 elements with ICP-ES and a sequential copper leach analysis was completed on each sample with copper greater than 500ppm (0.05%). Copper and gold standards as well as blanks and duplicates (field, preparation and analysis) were randomly inserted into the sampling sequence for Quality Control. On average, 9% of the submitted samples are Quality Control samples. No data quality problems were indicated by the QA/QC program.

 

About Filo Corp.

 

Filo is a Canadian exploration and development company focused on advancing its 100% owned Filo del Sol copper-gold-silver deposit located in San Juan Province, Argentina and adjacent Region III, Chile. Filo is a member of the Lundin Group of Companies.

 

Posted July 12, 2023

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