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Laos
Sepon Mine

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 Location:
36 km NW from Xepon, Laos

  Address:
Bourichanh Road, Sisattanak District, PO Box 4486
Vientiane
Laos
Phone  ...  Subscription required
Fax+856-21-268-201
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2033
Chifeng LXML Sepon is planning to build the first modern underground mine in Lao PDR, bringing transferrable expertise and special techniques to the country. Underground exploration will support the future of Sepon mine to contribute to the socio-economic growth of the Lao PDR beyond 2033.


Owners

Source:
CompanyInterestOwnership
Chifeng Jilong Gold Mining Co., Ltd. 90 % Indirect
Lane Xang Minerals Limited (LXML) is the registered name of the company which owns and operates Sepon. Chifeng Jilong Gold Mining Co., Ltd owns 90 per cent of LXML. and the Lao Government owns 10%.

Contractors

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Deposit Type

  • Porphyry
  • Carlin-type
  • Skarn


Summary:

The Sepon project area is situated near the eastern margin of the intra-continental Khorat Basin and on the western flank of the Anamite Range fold belt. It lies within the Troungson geological region covering a broad spectrum of rocks ranging in age from Upper Proterozoic to Jurassic. The regional geology is dominated by an Upper Palaeozoic sedimentary belt of arkosic and feldspathic sandstone, variably calcareous and carbonaceous siltstone, shale and limestone which is variably dolomitised and locally marble. There are lesser volcanic rocks, typically comprised of agglomerate, conglomerate, tuffaceous sandstone, and rare coherent volcanics. The belt is cut by plutonic to sub-volcanic bodies of granite, monzodiorite, granodiorite, quartz porphyry, rhyodacite porphyry (RDP) and andesite porphyry. The intrusive rocks are preferentially emplaced along either east or north-west trending well-developed structures.

Several styles of mineralisation have been recognised within the Sepon Mineral District: porphyry-like Cu-Mo-Au mineralisation, skarnoid Cu-Mo-Au mineralisation adjacent to porphyry intrusive, distal skarn related Cu-Au-Ag+/- Pb+/-Zn massive sulphide veins, Carlin type carbonate hosted gold mineralisation and carbonate hosted Mississippi Valley type Pb-Zn-Ag mineralisation. In addition weathering and supergene re-mobilisation has created supergene copper, exotic supergene copper, oxide gold and alluvial gold in karst fill deposits.

All primary depo ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Sepon mine is an open pit operation that is mining and processing supergene copper ore. The operation uses a fleet of excavators and articulated trucks along with a fleet of auxiliary equipment. This mining method is appropriate for the style and size of the mineralisation.

Pit optimisations and designs adhered to recommended geotechnical parameters. The inter-ramp slopes used range between 18° – 40° for the clay material and 35° – 50° for the more competent material.


Underground Exploration

With a mineral resource of 9.5 million tonnes and projected ore production to increase from 400,000 tonnes in 2023 to 1.2 million tonnes per annum thereafter, the “Discovery Deeps Underground Mine” is expected to extend Sepon’s mine life for at least another seven years, to 2030, contributing to poverty reduction and sustainable development in host communities.

The underground mine will extend 450 metres below the surface. The decline access tunnel will be more than 1,800m long, 5m high and 5m wide to accommodate modern underground excavation and drilling equipment.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityProductUnits2022202120202019201820172016
Copper Cathode t  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required71,25862,94178,492
Gold Metal in doré oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20202019201720162015
Total tonnes mined  ......  Subscription required25 Mt
Ore tonnes mined  ......  Subscription required1,335,942 t2,967,991 t1,847,827 t
Tonnes milled  ......  Subscription required3,149,317 t2,547,564 t2,116,501 t
Subscription required - Subscription is required.

Reserves at October 12, 2017:

CategoryTonnage Commodity
Proven & Probable 9.4 Mt Copper
Proven & Probable 9.4 Mt Gold
Total Resource 36.3 Mt Copper
Total Resource 36.3 Mt Gold

Commodity Production Costs:

CommodityUnits201720162015
C1 cash costs Copper USD 1.59 / lb   1.32 / lb   1.06 / lb  

Financials:

Units201820172016
Revenue M USD 391.9   390.8  
EBIT M USD 17.7   4.8   -36.7  
EBITDA M USD 119.2   101.5  



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 29, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 29, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Quarterly Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Quarterly Report 2017
Sustainability Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Other 2016
Sustainability Report 2016
Year-end Mineral Reserves 2016
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