Herzlich Willkommen auf www.ecm-ing.com Copper mine and milling site on the Atacama desert (near Calama), altitude appr. 3000 m a.s.l. ; source: photos and arangement by M. Lersow Seminar discussion and mine site excursion  (Super pit/Kalgoorlie/WA) Former uranium mill-tailings storages Exploration works and deposit profile Former gold mine, waste rock dump remediation Welcome on www.ecm-ing.com

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