Description: About 420,000 results (10 December 2017)Source/publisher: GoogleDate of entry: 2017-12-10Grouping: Websites/Multiple DocumentsCategory: EconomyIndustryExtractive industriesMiningCopper miningLanguage: EnglishFormat: Size: Alternate URLs: https://www.google.co.uk/search?safe=strict&ei=Y08tWp_5DMrivgS8jK2ACQ&q=copper%2... Remote URL: https://www.google.co.uk/search?safe=strict&ei=Y08tWp_5DMrivgS8jK2ACQ&q=copper%2...