Laos

Ban Houayxai Mine

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Overview

Mine TypeOpen Pit
StatusActive
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start... Lock
Mine Life... Lock

Owners

SourceSource
CompanyInterestOwnership
Government of Laos 10 % Indirect
PanAust Ltd. 90 % Indirect
Phu Bia Mining is 90 per cent owned by Pan Mekong Exploration Pty Limited., a wholly owned subsidiary of PanAust Limited (‘PanAust’). The Government of Laos owns the remaining 10 per cent.

Phu Bia Mining’s producing assets are the Phu Kham Copper- Gold Operation (Phu Kham) and the Ban Houayxai Gold-Silver Operation (Ban Houayxai). Both are located in the Company’s 2,600 square-kilometre Phu Bia Contract Area.

Deposit type

  • Vein / narrow vein

Summary:

The Ban Houayxai Project is a vein hosted, structurally controlled gold-silver deposit of Permo-Carboniferous age (285Ma) in the north of the Lao People’s Democratic Republic. Mineralised veins are predominantly hosted within intermediate volcanics which have been subject to greenschist facies metamorphism and structurally juxtaposed against a siliciclastic package of lower metamorphic grade. The siliciclastic package contains mineralisation hosted within bodies of volcaniclastic siltstone and volcanogenic sandstone. The gold tenor of mineralised veins (quartz + pyrite ± carbonate ± base metals) within the Ban Houayxai deposit improves with increasing intensity of deformation.

Reserves

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Mining Methods

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Comminution

Crushers and Mills

Milling equipment has not been reported.

Processing

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Production

CommodityUnits202020192018201720162015
Silver oz  ....  Subscribe730,344666,628789,7351,101,3931,181,068
All production numbers are expressed as metal in doré.

Operational metrics

Metrics202020192018201720162015
Ore tonnes mined  ....  Subscribe4,869,313 t5 Mt5.3 Mt5.3 Mt5.3 Mt
Total tonnes mined  ....  Subscribe14,548,838 t15.8 Mt14.7 Mt13.2 Mt12.5 Mt
Tonnes processed  ....  Subscribe5,096,338 t5.2 Mt5 Mt4.7 Mt4.9 Mt
Annual processing capacity  ....  Subscribe4 Mt
Tonnes processed  ....  Subscribe

Production Costs

CommodityUnits2020201920182017
Credits (by-product) Gold USD -113 / oz   -94 / oz   -120 / oz  
All-in sustaining costs (AISC) Gold USD  ....  Subscribe 919 / oz **   931 / oz **   817 / oz **  
C1 cash costs Gold USD  ....  Subscribe 720 / oz **   726 / oz **   618 / oz **  
** Net of By-Product.

Heavy Mobile Equipment

Fleet data has not been reported.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 7, 2024
....................... Subscription required ....................... Subscription required Subscription required Feb 7, 2024
....................... Subscription required ....................... Subscription required Subscription required Feb 7, 2024
....................... Subscription required ....................... Subscription required Subscription required Feb 7, 2024

EmployeesContractorsTotal WorkforceYear
...... Subscription required ...... Subscription required ...... Subscription required 2020

Aerial view:

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