Colombia

Quick Facts

Ownership: 100%

Location: Colombia

Status: In Operation

Commodity: Gold

Mining Method: Alluvial Mining

Energy Source: Hydroelectric Power

Technical Report:

Reserves and Resources:

Nechí Alluvial Property

Long history of efficient, profitable and reliable production.

Operations are located near El Bagre, a town 190 km north of Medellín, Colombia, with over 10 years of Mineral Reserves based on the LOM plan.
With 50 years of mining experience, we have established well-understood, efficient, profitable and reliable production using suction and bucket dredges similar to those used in mineral sands operations.
Alluvial gold deposits are mined from closed ponds in the floodplain adjacent to the Nechí River. The free gold is hosted in sand and gravel, and our recovery process uses only gravity methods, with no cyanide or mercury involved.

Gold Production and per Ounce Gold Sold Graphs

2018 to 2024E Au Production (koz Au)¹

2018 to 2024E AISC per oz of Au Sold²

Graph Notes:

Includes production from the La Yé underground mine of 17 koz (2018), 16 koz (2019), and 7 koz (2020); the La Yé underground mine was sold in 2020 and effective control of operations passed to the new owners on or about May 31, 2020.
AISC per ounce of gold sold is a non-IFRS ratio, with no standardized meaning under IFRS, and therefore may not be comparable to similar measures presented by other publicly listed gold producers. For further information, including reconciliations to the nearest IFRS measures, see “Non-IFRS Measures” in the MD&A for the applicable period.

Alluvial Process Lifecycle

Alluvial mining is well-understood, reliable, low-cost, and efficient.

Exploration

Drill to find gold-bearing coarse gravel

Production

Close ponds (not in river)
Store organics for rehab
Store gravel for rehab
Profiling land for closure

Beekeepers tending to the honey bee hive.

Closure & Rehabilitation

Wetlands
Small holdings
Beekeeping
Reforestation
Crops
Pisciculture

Qualified Person

The scientific and technical information relating to Mineros’ properties contained on this website have been reviewed and approved by Luis Fernando Ferreira de Oliveira, MAusIMM CP (Geo), Mineral Resources and Reserves Manager for Mineros S.A., who is a qualified person within the meaning of NI 43-101.

Technical disclosure regarding the Nechi Alluvial Property, including references to mineral resources and mineral reserves, is supported by the NI 43-101 compliant Technical Report entitled “Technical Report on the Nechí Alluvial Gold Mineral Resource and Mineral Reserves Estimates, Antioquia Department, Colombia”, with an effective date of September 15, 2021, prepared by Luke Evans, M.Sc. P.Eng. Principal Geologist, SLR Consulting (Canada) Ltd, Richard E. Routledge, M.Sc. (Applied), P.Geo. Associate Principal Geologist SLR Consulting (Canada) Ltd; Ian Weir, P.Eng. Senior Mining Engineer, SLR Consulting (Canada) Ltd; Holger Krutzelmann, P. Eng. Associate Principal Metallurgist, SLR Consulting (Canada) Ltd; Gerd Wiatzka, P.Eng. Consulting Civil/Environmental Engineer, Principal, Vice President, and Director Mining of Arcadis Canada Inc.

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