ISO 21557:2025
International Standard
Current Edition
·
Approved on
04 December 2025
Mining — Mining methods — Classification and specification
ISO 21557:2025 Files
null Pages
Current Edition
ISO 21557:2025 Scope
This document establishes a classification of mining methods based on specification such as ore grade and recovery, cost of infrastructure, ore extraction, labour and machine costs, underground support costs and geotechnical factors.
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