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ISO 21557:2025

Mining — Mining methods — Classification and specification ISO 21557:2025

Publication date:   Dec 4, 2025

General information

60.60   Standard published   Dec 4, 2025

ISO

ISO/TC 82 Mining

International Standard

73.020   Mining and quarrying

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Published

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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.

Life cycle

NOW

PUBLISHED
ISO 21557:2025
60.60 Standard published
Dec 4, 2025




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