Harliwich mine

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Harliwich mine is an opencast lignite mine located near Roxburgh, and is the only coal mine in Central Otago. It is owned by Harliwich Carrying Company.[1]

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Project Details

Location: Near Roxburgh, Central Otago, South Island
Coordinates: -45.477797,169.307206

Coalfield: Roxburgh
Background: The Harliwich family started operations in 1914.
Current owner: Harliwich Carrying Company
Status: Operating
Production capacity: 4000 tonnes/year
Estimated recoverable reserves: The coal-in-ground resource is approx 248 million tonnes[2]
Mining technique: Opencast
Type of coal: Lignite
Solid fuel calorific value (gross) 18.52 MJ/kg (Range for NZ coal 15.25–31.95 MJ/kg)[3]
Market information: In 2007 the company began trialling production of humate for use as a soil enhancer by crushing it to super-fine particles in a plant producing up to two tones per day. The product, “Harlies Humates”, is Biogro certified for organic use.[4]
Environmental and/or health & safety issues:

Articles and Resources


  1. Ministry of Economic Development,"Operating Coal Mines", accessed March 2012
  2. NZMIA, "Otago coal region", accessed December 2012
  3. Ministry of Economic Development, "Energy data file 2011", accessed December 2012
  4. Voxy, "Roxburgh family mine goes green", accessed December 2012

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External Articles