This statistic shows how ore quality in seleced commodities has declined between 2004 and 2009. In 2004, 2.22 carats were found per ton of diamond, while this figure had dropped to 1.84 in 2009.
Selected base metals ore-grade quality in existing mines from 2004 to 2009
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Accenture. (November 29, 2010). Selected base metals ore-grade quality in existing mines from 2004 to 2009 [Graph]. In Statista. Retrieved January 25, 2025, from https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed
Accenture. "Selected base metals ore-grade quality in existing mines from 2004 to 2009." Chart. November 29, 2010. Statista. Accessed January 25, 2025. https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed
Accenture. (2010). Selected base metals ore-grade quality in existing mines from 2004 to 2009. Statista. Statista Inc.. Accessed: January 25, 2025. https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed
Accenture. "Selected Base Metals Ore-grade Quality in Existing Mines from 2004 to 2009." Statista, Statista Inc., 29 Nov 2010, https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed
Accenture, Selected base metals ore-grade quality in existing mines from 2004 to 2009 Statista, https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed (last visited January 25, 2025)
Selected base metals ore-grade quality in existing mines from 2004 to 2009 [Graph], Accenture, November 29, 2010. [Online]. Available: https://www.statista.com/statistics/187611/base-metals-ore-grade-quality-in-existing-mines-from-2004/?__sso_cookie_checker=failed
