Mining Intelligence and News
Indonesia

PT Gorontalo Minerals Project

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Categories

Summary

Mine TypeOpen Pit
StageConstruction
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
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Mine Life... Lock
SnapshotThe Gorontalo Minerals project is expected to become a key contributor to the mining sector growth in eastern Indonesia.

PT Gorontalo Minerals (GM) operates under a Contract of Work and has obtained approval for the Advancement to Production Operation Stage. The approval includes a 3-year construction period and a 30-year production period (valid until 2052).

During the construction of the gold processing plant in Gorontalo, GM discovered porphyry copper outcrops at Kayu Bulan and Sungai Mak, and sulfide gold outcrops at Motomboto North. These discoveries were reported to the Ministry of Energy and Mineral Resources (ESDM), which instructed GM to conduct follow-up drilling while continuing construction in non-mineralized areas to preserve potential reserves. Exploration results support ongoing development and construction activities.

The completion of the gold plant, supporting facilities, and access road is expected to be completed in H2 2026.

Owners

SourceSource
CompanyInterestOwnership
PT Aneka Tambang (Antam) 20 % Indirect
PT Bumi Resources Tbk. 80 % Indirect
PT Gorontalo Minerals (operator) 100 % Direct
PT Bumi Resources Minerals Tbk. holds 80% in PT Gorontalo Minerals. PT Aneka Tambang Tbk (ANTM) owns 20% of PT Gorontalo Minerals.

Deposit type

  • Porphyry

Summary:

Reserves

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Mining Methods

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Heavy Mobile Equipment

Fleet data has not been reported.

Comminution

Crushers and Mills

Milling equipment has not been reported.

Processing

Summary:

Commodity Production

Operational metrics

Metrics
Annual processing capacity  ....  Subscribe
* According to 2021 study.

Production Costs

CommodityUnitsAverage
Assumed price Copper USD 2.5 / lb *  
* According to 2019 study / presentation.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2025

Workforce

EmployeesYear
...... Subscription required 2020

Aerial view:

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