Asset report
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7 Pages

Sepon (Khanong) SxEw copper mine

Sepon (Khanong) SxEw copper mine

Report summary

The Sepon copper project came into production in 2005 at an estimated capital cost of US$235M. The adjacent gold mine, also owned by MMG (formerly Oz Minerals), was commissioned in 2002 and is considered separately in the Wood Mackenzie Gold Mine Cost Study.

What's included?

This report includes 2 file(s)

  • Sepon (Khanong) SxEw copper mine PDF - 543.93 KB 7 Pages, 1 Tables, 1 Figures
  • Sepon (Khanong) SxEw copper mine XLS - 522.50 KB


This Copper Metals Mine report provides a detailed analysis of the cost profile, geology, reserves and future production for this mine, as well as a detailed location map.

Copper producers, advisors and financial companies can use this report to better understand asset value and efficiency of the operation. It will also help you benchmark against similar mines, identify acquisition opportunities and examine evolving cost structures to strengthen business strategies.

Wood Mackenzie's cost methodology is the established global industry standard, relied on by the world’s leading investment banks and mining companies to make strategic, operational and investment decisions.

Our analysts are based in the markets they analyse, working with high-quality proprietary cost databases and cost curve analyses to write consistent and reliable insights. Our database includes over 2,450 asset analyses covering more than 1,000 companies worldwide.

  • Key facts
  • Summary and key issues
    • Summary
    • Sepon is an open pit copper mining operation approximately 550km southeast of Vientiane in Savannakhet Province, Laos. The mine began production in 2005 and produces copper cathode by ore leaching, solvent extraction and electrowinning. The adjacent gold mine, also owned by MMG, was placed on care and maintenance at the end of 2013, due to low gold prices and high operating costs.
    • Key issues
    • In 2015, mining began transitioning away from the depleting high grade Khanong deposit to the Thengkam deposit, approximately 12km from the current mine. The mining fleet was expanded at the end of 2015 to manage expected declining head grades and the longer haulage route.
    • The accompanying analysis is costed on a stand-alone basis and does not include the adjacent gold operations. The gold and copper mines do not share a common process route and share little infrastructure therefore no gold credit is applied to the copper costs at Sepon. The accompanying analysis also excludes the revenue from the 200koz contained in the gold gossan that was mined and stockpiled as part of the Khanong pre-strip. The Sepon gold operation is analysed separately in the Sepon gold mine analysis.
    • Given reserves, stockpiles and processing rates, Sepon is expected to continue producing until 2021.
  • Location maps
  • Reserves and resources
  • Operations
    • Mining
    • Process
      • Leach
      • SxEw
  • Timeline

In this report there are 2 tables or charts, including:

  • Key facts
    • Key facts: Table 1
  • Summary and key issues
  • Location maps
    • Detailed map
  • Reserves and resources
  • Operations
  • Timeline
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