Tag Economic Geology

73 documents
Historic gold mine shuts down because of rising gold costs.pdf

Historic gold mine shuts down because of rising gold costs.pdf

Historic gold mine shuts down because of rising gold costs April 26, 2013 The rising cost of producing an ounce of gold has risen to a level that is unsustainable…
Vulcan Itabira Casestudy

Vulcan Itabira Casestudy

CASE STUDY Vale schedules the Itabira operation with Maptek™ Chronos Brazil is the world’s largest iron ore exporter. The majority of this ore comes from two…
BHP Billiton общая краткая справка english

BHP Billiton общая краткая справка english

Brief information about BHP Billiton 1. General information about the company. BHP Billiton is an Anglo Australian multinational mining and petroleum company…
Shrinkage Stoping

Shrinkage Stoping

 Shrinkage Stoping  Stull Stoping 03-10-13 Room and pillar mining was discussed. -ore strength, rock strength, deposit shape,dip,deposit size,thickness,ore…
121001_Escondida Site Visit Presentation.pdf

121001_Escondida Site Visit Presentation.pdf

Escondida site tour Edgar Basto President Escondida 1 October 2012 Disclaimer Forward looking statements This presentation includes forward-looking statements…
Mount Isa Lead.docx

Mount Isa Lead.docx

Mount Isa Lead, Zinc and Silver Mine, Australia A 1923 silver-lead ore discovery in Queensland, Australia, lead to the formation of Mount Isa Mines and the…
innehåll 2008

innehåll 2008

I INNEHÅLLSFÖRTECKNING/CONTENTS Welcome/Välkommen Pär Weihed, Luleå University of Technology Technical Papers Sida/Page Användning av processimulering för…
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