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Indonesia
Senakin Mine

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 Location:
176 km NE from Banjarbaru, Indonesia

  Regional Office:
Pertokoan Grand Palace Park No C1 dan C2 Jl. Ahmad Yani KM 31,5
Banjarbaru
Indonesia
70700
Phone  ...  Subscription required
Fax+62-511-3253-989
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Processing
  • Crush & Screen plant
  • Wash plant
  • CHPP


Owners

Source: p. 131,426
CompanyInterestOwnership
PT Bumi Resources Tbk. 70 % Indirect

Deposit Type

  • Sedimentary


Summary:

The Senakin mine, South Kalimantan, operated by PT Arutmin Indonesia mines Eocene age coal. This economically important coal occurs near the base of the T2 member of the Tanjung Formation The laterally continuous basal coal unit is up to 9 m thick, but is more typically 4 to 6 m.

The lower part of the Eocene seam is low in sulfur, whereas the upper part has higher levels due to increased pyrite content or subsequent sulfate alteration. The coal bed varies vertically in ash and sulfur content but this variation is laterally consistent and predictable.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Arutmin manages 6 open cut coal mines: Senakin, Satui, Mulia / Jumbang, Sarongga, Asam-Asam, and Kintap. All mines are strategically located near Arutmin’s port facilities - the North Pulau Laut Coal Terminal (NPLCT) which is located on the north coast of Pulau Laut.


Crushing and Grinding


Processing

  • Crush & Screen plant
  • Wash plant
  • CHPP

Source: Subscription required

Summary:

The Senakin mine produces bituminous coal. The process includes breaking the coal chunks into smaller pieces, separating them by the desired sizes, and cleansing them to reduce ash content and increase selling price.


Production:

CommodityUnits202020192018
Coal (thermal) Mt  ......  Subscription required  ......  Subscription required1.1
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018
Waste  ......  Subscription required12.1 Mbcm17.2 Mbcm
Stripping / waste ratio  ......  Subscription required6.7 bcm/t12.1 bcm/t
Coal tonnes mined  ......  Subscription required1.8 Mt1.4 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryTonnage Commodity
Proven & Probable 9 Mt Coal (thermal)
Total Resource 215 Mt Coal (thermal)


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 7, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
Annual Report 2018
Annual Report 2017
Sustainability Report 2017
Annual Report 2014
Other 2007
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Aerial view:

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