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Bericht

22 Okt 2020

Autor:
Initative for Responsible Mining Assurance (IRMA)

IRMA Mine Site Assessment Public Summary Report: Carrizal’s Zimapán Mine

"Mine Site Assesment Public Summary Report", 21 October 2020

Carrizal Mining, S.A. de C.V. (Carrizal Mining) is based in the municipality of Zimapán, in the northwestern of the state of Hidalgo, Mexico. Zimapán is one of 84 municipalities in the state of Hidalgo...

The Carrizal Mining Company, S.A. de C.V. operates in the municipality of Zimapán, Hidalgo State, Mexico, extracting ore from Carrizal and Monte underground mines (the Mine) and processing the minerals at the San Francisco concentrator plant (the Plant) producing: lead, zinc and copper concentrates with Silver (Ag) contents...

The works carried out within the mines are exploration, preparation, drilling, blasting, mocking, and hauling ore by tanker trucks with 7-ton capacities to the Plant. The Plant is near the mouth of the Monte Mine, and is located about 11 km and 2.5 km from Carrizal Mine and Monte Mine respectively. The mining system currently used is long drilling and cut and fill with waste rock (tepetate). This filling is obtained from the preparation works carried out within the mines. Compressed air is used for drilling with jumbos and jack leg machines and for explosives charge in blast holes during blasting. Water is also used as part of the drilling process...

The mine site assessment process begins with mines completing a self-assessment and uploading evidence into an online tool (Mine Measure). When the self-assessment has been completed, the independent, third-party assessment may begin...

Carrizal Mining completed the initial self-assessment in October 2019. ERM CVS carried out an initial Stage 1 desktop audit during November 2019. Based on feedback from ERM CVS, the self-assessment was updated and revised between December 2019 and January 2020. ERM CVS conducted a Stage 2 on-site audit in February 2020. The on-site audit included a series of interviews with mine staff (workers and management team), relevant community representatives, local non-governmental organizations (NGOs), governmental agencies, documentation review and visit to operational areas including Carrizal underground mine, processing plant, tailing dam, reclamation areas, and several communities....

The site is recognized as having achieved the level of IRMA Transparency based on the performance recorded as a result of the Stage 1 and Stage 2 audit activities. At this time, the site has elected to develop a corrective action plan that outlines steps to address nonconformities needed to reach the IRMA 50 achievement level. Implementation of these corrective actions will be assessed at subsequent audits.