Carrizal’s Zimapán Mine

Carrizal Mining S.A de C.V

IRMA Achievement Transparency Black

Mined materials: Lead, zinc, copper, silver

Audit timeline

Surveillance audit
Stage 2: completed 27 August 2022

Initial Audit

Stage 1: completed 20 September 2019

Stage 2: completed 24 February 2020

Completion/report issued: 21 October 2020

Location of Zimapan mine

Zimapan, Hidalgo 42338 México

Audit details

Assessment type: Initial Audit

Audit status: Surveillance audit underway.

Previous audits: Initial audit report published. View report: English, Spanish.

Achievement Level: IRMA Transparency. Find out how this is calculated.

Certification body: ERM Certification and Verification Services. (website | email)

Stakeholder engagement:  To provide input or participate in audits, contact:

ERM Certification and Verification Services Limited
Postnet Suite 90, Private Bag X12,
Exchequer Court, 33 St Mary Axe, London, EC3A 8A

Audit-related complaints

  • To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact ERM-CVS at
  • To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.

More information

Case study: “Responsible Mining Begins with Transparency.” English and Spanish

Case study