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Atico Continues to Expand VMS Footprint with High Grade Copper-Gold Intercepts Reporting 3.70% Cu, 2.80 g/t Au, 40.63 g/t Ag and 4.53% Zn over 3.94 meters and Reinitiates Regional Exploration at La Plata Project in Ecuador

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Atico Continues to Expand VMS Footprint with High Grade Copper-Gold Intercepts Reporting 3.70% Cu, 2.80 g/t Au, 40.63 g/t Ag and 4.53% Zn over 3.94 meters and Reinitiates Regional Exploration at La Plata Project in Ecuador

 

 

 

 

 

Atico Mining Corporation (TSX-V: ATY) (OTC: ATCMF) is pleased to report on the latest results of its 2021 drilling program at the La Plata precious metals-rich volcanogenic massive sulphide project in Ecuador. These latest results confirm additional new zones outside of the known envelopes, more precisely along strike and below the North Block.

 

La Plata Drilling Highlights Include:

 

Hole From
(m)
To
(m)
Interval
(m)
Au
(g/t)
Ag
(g/t)
Cu
(%)
Zn
(%)
CMLP-21-181 145.83 148.85 3.02 6.97 53.95 0.13 0.58
CMLP-21-182 114.47 116.55 2.08 3.79 144.41 0.18 9.67
CMLP-21-185 140.42 140.72 0.30 9.95 34.00 0.31 3.23
CMLP-21-186 198.13 202.07 3.94 2.80 40.63 3.70 4.53
CMLP-21-188 217.36 223.20 5.84 0.81 35.24 3.31 0.79

 

True widths are dependent on uncertainties in the local strike and dip of the mineralization and are estimated to be between 76% and 83% of the drill intercept.

 

  • In this sequence, drilling was performed to test the mineralization extension at depth below the North Block. Results, including CMLP-21-181, CMLP-21-182 and CMLP-21-185 confirm additional copper and gold mineralization zones are present at depths down to 148.85m. See Figure 1 below.
  • Holes, CMLP-21-186 and CMLP-21-188 which were drilled between the South and North Blocks, confirmed an extension of the massive sulfide mineralization in this vicinity potentially connecting the two blocks. See Figure 1 below.

 

2021 Successful drilling of the VMS footprint continues to expand mineralisation

 

Atico has drilled close to 5,500 meters since the beginning of this year’s exploration campaign on La Plata. The 26 diamond drill holes completed this year have contributed to the confirmation of our interpretation around the continuity of mineralization as the drilling progressed at depth under the known North Block and continue to report interesting intervals. Also, the “Guatuza Extension” of the North Block has also been confirmed with this campaign. As is evident, the North Block will require further drilling at depth and also along strike as secondary lenses were encountered in the Guatuza extension during this recent exercise. As the drilling encountered the anticipated mineralized zones, these holes also reported various additional intercepts of mineralized rock of interesting thickness reporting the possible presence of displaced lateral lenses.

 

In addition, drilling is presently being performed to test the continuity of the South Block towards the North Block. Mineralized intercepts are progressively confirming our new assumption that a significant mineralized lens is forming, potentially merging of the South and North Blocks. See Figure 1 below.

 

2021 Regional exploration and Drilling

 

Atico Mining has reinitiated regional exploration on La Plata. During last year’s pandemic crisis in country, Atico decided to reduce its regional activities and concentrated its drilling efforts on the mine vicinity area only. Part of this year’s exploration plan is to restart the regional program and test several targets identified further to the north along the concession’s copper anomaly trend. Previously, the exploration team sampled bedrock in drainages over half a kilometer north of the Guatuza zone. These samples were analyzed and reported up to 4.5 g/t Au, 51.3 g/t Ag, 16.55% Cu, and 5.83% Zn (refer to Toachi Mining’s news release dated January 16th, 2019).

 

In addition, The San Pablo target area, located approximately one kilometer north along the copper trend will also be included in this year’s program. The San Pablo target had been historically drilled during a campaign supervised by Dr. Duncan Derry between 1965 and 1967, with results at the time reporting 22 meters of 1.8% copper.

 

Figure 1 is available at

https://www.globenewswire.com/NewsRoom/AttachmentNg/d364ec38-af87-4059-870e-c9de6e1cf091

 

 

Drill Program Assay Results:

 

            Intercept*              
Hole ID Azimuth
(°)
Dip
(°)
Total Length
(m)
From
(m)
To
(m)
Interval
(m)
Au
(g/t)
Ag
(g/t)
Cu
(%)
Pb
(%)
Zn
(%)
CMLP-20-171 262 -58 148.17 78.85 80.02 1.17 0.56 8.00 2.28 0.02 1.15
CMLP-20-172 282 -59 152.72 83.29 89.48 6.19 0.43 3.02 0.42 0.03 1.70
CMLP-20-173 305 -45 141.89 No Significant Intercept
CMLP-20-174 305 -55 145.14 62.80 72.30 9.50 1.42 22.34 0.36 0.38 3.07
and       88.34 94.30 5.96 1.56 4.22 0.67 0.26 1.67
CMLP-20-175 305 -49 161.43 141.69 142.55 0.86 1.78 70.00 0.37 0.36 1.29
and       145.37 148.80 3.43 0.73 8.76 0.37 0.78 2.34
CMLP-20-176 290 -40 123.67 No Significant Intercept
CMLP-20-177 291 -52 150.04 110.00 111.90 1.90 1.36 69.00 0.63 0.19 1.11
and       142.55 146.31 3.76 1.04 10.68 1.49 0.17 1.68
CMLP-20-178 254 -47 157.14 130.50 134.50 4.00 2.99 26.63 0.77 0.18 3.11
and       135.50 136.67 1.17 1.29 31.00 1.28 0.06 6.51
CMLP-20-180 247 -65 166.27 No Significant Intercept
CMLP-20-181 251 -66 218.68 145.83 148.85 3.02 6.97 53.95 0.13 0.36 0.58
CMLP-20-182 245 -55 197.09 99.10 99.60 0.50 5.59 99.00 0.40 0.68 7.91
and       114.47 116.55 2.08 3.79 144.41 0.18 1.47 9.67
and       167.90 170.67 2.77 1.69 20.81 0.66 0.28 4.14
and       174.00 176.45 2.45 3.93 36.02 1.02 1.19 4.40
and       188.50 189.10 1.07 1.07 9.00 5.02 0.02 4.40
CMLP-20-183 235 -61 210.00 No Significant Intercept
CMLP-20-184 318 -43 134.50 No Significant Intercept
CMLP-20-185 277 -67 171.32 140.42 140.72 0.30 9.91 34.00 0.31 2.28 3.23
CMLP-20-186 242 -51 228.77 198.13 202.07 3.94 2.80 40.63 3.70 0.18 4.53
and       208.39 217.00 8.61 0.65 2.85 1.01 0.01 0.07
CMLP-20-187 238 -64 159.51 144.64 151.10 6.46 2.78 29.49 0.46 0.20 0.49
CMLP-20-188 248 -53 245.57 217.36 223.20 5.84 0.81 35.24 3.31 0.05 0.79
and       225.20 227.20 2.00 1.58 14.00 1.13 0.20 0.81

 

 

True widths are dependent on uncertainties in the local strike and dip of the mineralization and are estimated to be between 76% and 83% of the drill intercept.

 

La Plata Project

 

Gold-bearing sulphide mineralization at La Plata occurs as compositional banding composed of chalcopyrite, sphalerite and pyrite laminae with barite occurring as clasts and also as layers. The mineralized lenses have also been dislocated by a few faults and dolerite dikes cutting the body.

 

The La Plata project is amongst the highest-grade gold-copper VMS deposits in which base and precious metal mineralization is interpreted to have formed as part of multiple volcanic episodes that created a stacked volcanic-exhalite hydrothermal sequence considered favorable for hosting additional VMS lenses. The recent drilling results in the southern portion of the deposit have encountered deeper mineralization, and an extension of mineralization to the north has been discovered by recent trenching results.

 

The La Plata independent Amended and restated NI 43-101 Preliminary Economic Assessment of the La Mina VMS Project Cotopaxi Province, Ecuador (“PEA”) originally dated March 30th, 2019, amended and restated July 17, 2019 was prepared by SGS Canada Inc. Mineral Services, Daniel Leroux, M.Sc., P.Geo. Brian Wolfe. M.Sc., MAIG, David Orava, P.Eng., Simon Meik, FAusIMM (CP), Qinghua (Jason) Jin, P.E and pursuant to National Instrument 43-101 (“NI 43-101”) and reports the La Plata inferred resources at 1.9 million tons at an average grade of 4.1 g/t Au, 49.4g/t silver, 3.3% Cu, 4.5% Zn, 0.6% Pb as available on SEDAR. Preliminary economic assessments are preliminary in nature, that include inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the preliminary economic assessment will be realized. Such projects have increased uncertainty and risk of failure. Mineral resources that are not mineral reserves do not have demonstrated economic viability.

 

The La Plata project consists of a concession covering a total area of 2,300 hectares along its 9-kilometer length, which contains known mineralization in two VMS lenses and nine priority exploration targets.

 

The Company has a binding option agreement with a private Ecuadorean company to earn up to 75% in the La Plata project, of which the first option to acquire the initial 60% ownership has been exercised. Please refer to the Company’s MD&A for the year ended December 31, 2019 for further details.

 

Quality Assurance & Quality Control

 

Before sampling, a centerline, representing bottom of hole (or a reference line when this is not known) is marked on the drill core. The core is cut and sampled, always sampling the right-hand side of the drill core. Samples are selected based on logged geological features, such as rock type, mineralization, alteration, veining etc. Sample length does not exceed 2.5 m nor is smaller than 20 cm. A total of 10% of the samples submitted are certified blanks and standards and field duplicates with, as a minimum, one blank submitted at the beginning of each sample batch. Certified standards are submitted at an average of 6% of the samples submitted. Field duplicates are taken at a rate of 1 in 20 of the samples taken. For all drill holes, analysis was completed by ALS Chemex in Lima, Peru with sample preparation completed in Quito. The lab is accredited with International Standards ISO/IEC 17025:2005 and ISO 9001:2015. All major ALS Geochemistry analytical laboratories are accredited to ISO/IEC 17025:2005 for specific analytical procedures.

 

Qualified Control

 

Dr. Michael Druecker, CPG, is a qualified person under NI 43-101 standards and independent of the company, is responsible for ensuring that the information contained in this news release is an accurate summary of the original reports and data provided to or developed by Atico Mining Corporation. Dr. Druecker has approved the scientific and technical content of this news release.

 

About Atico Mining Corporation

 

Atico is a growth-oriented Company, focused on exploring, developing and mining copper and gold projects in Latin America. The Company generates significant cash flow through the operation of the El Roble mine and is developing it’s high-grade La Plata VMS project in Ecuador. The Company is also pursuing additional acquisition of advanced stage opportunities.

 

Posted May 6, 2021

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