Mining Intelligence and News
Indonesia

Asam Asam Mine

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Categories

Summary

Mine TypeOpen Pit
StatusActive
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
SnapshotThe Asam Asam mine produces ecocoal (sub-bituminous coal) that is widely used for steam power generation. The coal has a very low sulfur and ash content and is therefore categorized as environmentally friendly coal.

Owners

SourceSource
CompanyInterestOwnership
PT Bumi Resources Tbk. 70 % Indirect
PT Arutmin Indonesia (operator) 100 % Direct

Deposit type

  • Sedimentary

Summary:

Asam Asam Coal consists of six major seams which are seam until seam G. The thickness of their coal seams varies from 2-25 m with strike of N70°E and dip around 25°-35°. Asam-asam coal mine has approximately 52 million ton reserve of low rank coal at a relatively low stripping ratio which is around 4.67.

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

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Commodity Production

CommodityUnits202420232022202120202019201820172016
Coal (thermal) Mt  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe8.37.78.59.2
Sulfur%2
All production numbers are expressed as ROM coal.

Operational metrics

Metrics202420232022202120202019201820172016
Coal tonnes mined  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe8.3 Mt7.7 Mt8.5 Mt9.2 Mt
Stripping ratio  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe4.9 bcm/t5.5 bcm/t4.2 bcm/t3.8 bcm/t
Waste  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe40.3 Mbcm42.6 Mbcm35.3 Mbcm34.7 Mbcm

Production Costs

Commodity production costs have not been reported.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2025
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2025
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2025

Workforce

Aerial view:

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