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Fredonia Mining Inc. Announces Further Drilling Results After the Completion of Drilling at El Dorado Monserrat

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Fredonia Mining Inc. Announces Further Drilling Results After the Completion of Drilling at El Dorado Monserrat

 

 

 

 

 

Fredonia Mining Inc. (TSX-V: FRED), is pleased to announce that it has received the remaining assays from the recently completed drilling programme at the Company’s El Dorado Monserrat property, located in Santa Cruz, Argentina.

 

As previously reported, 10 HQ diamond drill core holes were drilled at LH, with a further drill hole on the ‘Gladys’ prospect, 4.5 km to the northwest. In total 11 holes were drilled for 2,482.80m.

 

“We are extremely pleased and encouraged with the results obtained in the recent drilling campaigns,” commented Estanislao Auriemma, CEO of Fredonia. “The drilling results confirm the presence of high grades and the possibility for increases in both the strike and depth potential at La Herradura; especially at depth confirming and further increasing the economic potential of La Herradura. We anticipate that drilling will recommence in October and will focus on confirming the extensions of the prospect’s mineralization and grades. Drilling in October is also designed to test other prospective areas within EDM. The primary objective remains to confirm and increase the overall potential of the El Dorado Monserrat property and advance LH and the Main Veins to a compliant maiden resource.”

 

Table of the completed June 2022 drill program

 

Easting Northing Azimuth Dip EOH
HDDH035 2532104 4632889 8 -45 175.00
HDDH036 2532272 4632780 10 -45 250.00
HDDH037 2532089 4632829 10 -45 278.50
HDDH038 2532252 4632729 10 -50 338.50
HDDH039 2532252 4632728 190 -70 200.00
HDDH040 2532380 4632820 10 -60 305.00
HDDH041 2532468 4632796 8 -60 292.80
HDDH042 2531906 4632716 180 -60 152.00
HDDH043 2532583 4632833 8 -50 212.50
HDDH044 2531871 4632640 0 -45 68.50
GLDDH001 2530352 4636731 30 -60 210.00
Total 2482.80

 

The Fredonia technical team is now focussed on the interpretation of the drill sections and the assimilation of this information with the assays in order to plan a further drill programme targeting the potential high grade extensions.

 

The Company anticipates drilling at LH will recommence in October. Preparations are already underway for this 2,500m follow-up drilling phase, which will also include further exploration drilling on other areas considered prospective targets on the EDM property.

 

Drill holes have intercepted hydrothermal breccias, veins and stockworks, hosted in a phreatomagmatic breccias, felsic domes and dykes that intrude the andesite flows which form the country rock.

 

The geological model for the mineralisation being developed by the exploration team is constantly being refined as drilling and mapping information is integrated. The data continues to support the presence of a potential diatreme surrounded by an extensive brecciated host system, the dimensions of which are as yet undefined being geologically open in all directions. The Fredonia geological team believe further drilling is warranted to define this model and extend the zone of known mineralisation.

 

The final assay results for all the drill holes at LH are now available. The significant intersections are tabled below. The drilling has added additional credibility that the potential for a large tonnage Au-Ag occurrence with included high grade zones exists at LH.

 

The results to date further support and indicate the geological model of a low sulphidation epithermal Au-Ag mineralised system within an extensive lower grade breccia halo hosted in a predominantly andesitic, variably brecciated formation.

 

Table of best intersections

 

Hole ID From To Interval Au Eq g/t Au g/t Ag g/t
HDDH035 99.7 101 1.3 2.09 1.93 13.62
HDDH035 120 120.5 0.5 3.71 3.28 37.59
HDDH036 66.8 105 38.2 0.42 0.34 6.76
including 77.7 78.2 0.5 3.78 3.55 19.81
HDDH036 180.6 181.2 0.6 2.23 1.65 50.99
HDDH036 220.4 221.5 1.1 3.27 2.52 65.37
HDDH036 224 225 1 5.39 4.89 43.40
including 224 224.5 0.5 9.40 8.54 75.61
HDDH037 162 176.5 14.5 1.06 0.91 12.69
including 163.1 164.2 1.1 2.29 1.91 33.16
and 166 166.5 0.5 8.33 7.57 66.19
and 176 176.5 0.5 6.94 6.26 59.39
HDDH037 189 190 1 1.98 1.73 21.59
HDDH038 34 55 21 0.99 0.91 7.43
including 42 42.6 0.6 4.70 4.53 14.53
and 51.5 54 2.5 3.01 2.91 8.42
HDDH038 92 124.15 32.15 0.91 0.81 8.83
including 101 102 1 2.27 2.10 14.70
and 114 114.5 0.5 7.24 6.49 65.29
and 116 116.64 0.64 13.61 12.83 68.39
and 123.6 124.15 0.55 2.22 2.12 9.04
HDDH038 216 260 44 0.85 0.73 10.62
including 234.5 235.1 0.6 6.34 5.85 42.88
and 244.8 246.5 1.7 5.26 4.35 79.95
and 248 249.3 1.3 2.98 2.93 4.76
HDDH038 251 251.5 0.5 4.93 4.87 5.33
Not previously reported
HDDH039 107.5 108 0.5 1.58 1.52 5.61
HDDH040 99 104.5 5.5 0.87 0.59 24.53
HDDH040 131.5 164.6 33.1 0.45 0.35 9.21
including 157 157.5 0.5 4.20 3.68 45.49
HDDH040 168.8 191 22.2 1.75 1.58 14.72
including 174 175 1 9.79 9.53 22.39
and 177.3 178 0.7 9.19 8.75 38.14
and 180 180.65 0.65 5.57 4.69 77.30
and 184 187 3 3.80 3.43 32.60
HDDH040 198 200 2 3.75 2.72 90.36
HDDH040 207 212 5 0.78 0.75 2.65
including 209 210 1 3.04 2.96 7.16
HDDH040 219.5 227 7.5 0.49 0.45 3.23
including 226 227 1 2.54 2.44 8.66
HDDH040 255 262 7 1.91 1.88 2.57
including 255.5 255.9 0.4 26.70 26.47 20.16
HDDH041 40.5 63.7 23.2 0.35 0.29 5.18
including 59.9 60.8 0.9 1.62 1.52 9.01
HDDH041 98.5 99.2 0.7 3.25 3.01 20.70
HDDH041 103.4 110.6 7.2 0.41 0.37 3.80
including 110 110.6 0.6 2.70 2.57 11.11
HDDH041 116.8 121 4.2 0.75 0.70 3.99
HDDH043 161.6 163.4 1.8 0.37 0.30 5.83
HDDH044 60.5 62.5 2 0.53 0.49 3.28
  1. Reported interval length are down hole widths and not true widths.
  2. Gold equivalent is calculated using metal prices of US$ 1,750/oz for Au and US$ 20/oz for Ag. The equation used is: AuEq g/t = Au g/t + (Ag g/t ÷ 87.5).
  3. AuEq assumes Au recovery of 90%. The limited metallurgical studies by Fredonia (selective Bottle rolls from Main Veins material) have indicated high (>90%) recovery of gold in oxide material. The Cerro Vanguardia mine to the east of EDM with similar mineralisation reports recoveries in the high 90% for Au.

 

The recent drilling continues to enhance the resource potential at LH and the assays have confirmed the presence of wide intersections of mineralised material with higher grade inclusions. This is specifically evident in hole HDDH 40 with 7m @ 1.88g/t Au with an included 0.4m @ 26.4g/t Au.

 

Historical drillholes in the same prospect area, including previous drilling by Fredonia are:

 

Table of (selected) historic drill intersections, La Herradura

 

Hole ID From To Interval Au g/t Ag g/t
HDDH001 124.00 140.00 16.00 0.61 29.7
HDDH007 83.00 92.00 9.00 1.17 12.7
HDDH011 126.50 128.10 1.60 5.49 3.8
HDDH011 147.70 199.00 51.30 1.11 45.8
including 174.00 177.00 3.00 3.29 93.1
HDDH013 68.00 163.70 95.70 0.90 10.3
including 68.00 77.00 9.00 7.43 51.7
and 149.70 180.00 30.30 0.72 32.9
HDDH015 139.00 153.50 14.50 0.86 20.5
HDDH022 150.00 168.00 18.00 1.16 14.7
HDDH023 109.80 110.50 0.70 9.26 70.4
HDDH027 216.00 229.00 13.00 1.38 83.7

 

Gold mineralisation is related to a quartz + sericite alteration and minor bladed calcite and adularia, interpreted as evidence of a boiling zone in an epithermal system. The shallow and distal zones show a chlorite + hematite + pyrite alteration, while in the deeper sections there are veins of platy calcite + fluorite. Superimposed on the system is an alteration halo of kaolinite + alunite and vuggy quartz, which occurs in shallow and medium-deep sectors.

 

Drill hole (geological) interpretations are now underway and once completed the updated interpretations of the LH drill sections will assist in determining the hole by hole detail of the next phase of drilling at LH. The objective of the follow-up programme remains to advance LH towards a maiden resource estimate.

 

The drill programme was primarily to target the extensions, both down dip and along strike of the high grade intervals in drill holes HDDH013 and HDDH011 and their potential depth extensions. These historic drill holes are about 250m apart along a defined roughly west – east strike of the mineralised trend identified to date. The drill holes drilled further along strike to the east, including HDDH40, 41 and 43 have geologically and geochemically extended the mineralised trend by potentially 300m to the east and remains open. Mineralisation is also identified to depths of >200m.

 

The interpretation of the geological intersections in holes HDDH 41 and 43 and the low ratio of Ag:Au relative to the higher grades and ratios in HDDH40 may indicate that there is potential at depth. If this is conclusive, step-backs to HDDH41 and 43 are warranted as well as further deeper drilling to the east. The IP survey conducted over the area last year also indicates deeper IP anomalies to the east of drill hole HDDH40. These vectors point to significant potential to the east and down plunge.

 

Based on drill intersections to date the mineralised system is interpreted to remain open in all directions and Fredonia believes more drilling is warranted.

 

Drilling the southwest area of LH, specifically holes DHHD39 and 44 has proved gold (and silver) mineralisation is both present and remains open in the southern LH block, an area which has not previously been targeted. This mineralisation hosted in andesitic rock represents a new area for discovery.

 

A single drill hole, GLDDH001, targeted the Gladys vein which outcrops over 1km located near the Abanico veins which are a southern continuation of the Main Veins. Gladys occupies a regional west northwest transtensional shear corridor. A historical barite pit of 100m long and 8m wide, shows a dacitic dike intruding in andesites, related to hydrothermal breccias and veins, thickness up to 2.4m.   Previous exploration included sawn channel samples, which were anomalous in gold and silver.

 

GLDDH001 is the first drilling carried out in this corridor, and intercepted, from 86.0m, 4.0m@ 16.94g/t Ag, in a fault zone filled with gouge, clays and chalcedonic clasts with poor drill core recovery, gold values were generally low to below level of detection.

 

Quality Assurance/Quality Control

 

All core samples were submitted to the principal Alex Stewart Laboratories in San Julián city for preparation, and in Mendoza city for the analysis. Alex Stewart Laboratories is independent of Fredonia. All samples were analysed for Au and Ag by fire assay/ AA finish 50 g, plus a 39-element ICP-AR finish. Fredonia followed industry standard procedures for the work with a quality assurance/quality control program. Blanks and reference material of High grade/ Low grade Gold and High grade/ Low grade Silver standards were included with all sample shipments to the principal laboratory. Field duplicates were made from coarse reject. Fredonia detected no significant QA/QC issues during review of the data. Mr. Marc J. Sale, is an independent qualified person as defined by Canadian National Instrument 43-101 and has read and approved the technical contents of this release.

 

Data Verification

 

Mr. Sale has previous experience with the EDM property and the historical QA/QC procedures undertaken for the preparation of previous results, and has previously conducted the verification activities on drilling and sampling results described in Fredonia’s technical report entitled “Technical Report on the El Dorado-Monserrat Property In Santa Cruz Province, Argentina” dated February 15, 2021, subject to the limitations described therein. Mr. Sale was not physically present to inspect and take verification samples from drill core in the most recent drilling campaign, but did conduct desktop-based verification of drill results against data-base information provided by management to ensure the assays results presented are those in the database. Digital ‘original’ final assay reports (certificates) were provided to the QP at the time of disclosure for verification.

 

About Fredonia

 

Fredonia indirectly owns a 100% interest in certain license areas (totalling approximately 18,300 ha.), all within the Deseado Massif geological region in the Province of Santa Cruz, Argentina, including the following principal areas: El Aguila, approx. 9,100ha, Petrificados, approx. 3,000ha, and the flagship, advanced El Dorado-Monserrat property covering approx. 6,200ha located close to Anglo Gold Ashanti’s Cerro Vanguardia mine, subject to a 1.5% net smelter return royalty on the EDM project, 0.5% net profits interest on Winki II, El Aguila I, El Aguila II and Hornia (ex Petrificados).

 

Posted October 1, 2022

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