Summary

Mine Type	Open Pit
Status	Closing / Closed
Commodities	Copper Gold Silver
Mining Method	Truck & Shovel / Loader
Production Start	...
Snapshot	The Grasberg open pit mine was a part of Grasberg minerals district. the Grasberg mine has been operated by PT Freeport Indonesia since 1990 and was officially closed in April 2020. PT Freeport Indonesia has developed a reclamation plan for the 920 hectares of Grasberg mine, which is expected to be completed by 2041. As of 2024 year, Freeport has already completed reclamation on approximately 570 hectares. The reclamation targets are submitted to the Ministry of Energy and Mineral Resources (ESDM) every five years.

Deposit type

• Vein / narrow vein
• Breccia pipe / Stockwork

Summary:

The igneous-hosted ore bodies (the Grasberg open pit and block cave, and portions of the DOZ block cave) occur as vein stockworks and disseminations of copper sulfides, dominated by chalcopyrite and, to a lesser extent, bornite.

Mining Methods

- subscription is required.

Comminution

Crushers and Mills

Processing

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Commodity Production

Operational metrics

Metrics	2020	2019	2018	2017	2016	2015
Daily milling rate	....	60,100 t	133,300 t	101,800 t	119,700 t	115,900 t
Daily mining capacity	....		275,000 t
Ore tonnes mined	....		49 Mt	37 Mt	44 Mt	42 Mt
Daily mining rate	....				180,500 t	250,400 t

Personnel

Job Title	Name	Profile	Ref. Date
.......................	.......................		Feb 13, 2026
.......................	.......................		Feb 13, 2026