Mine of Cotopax Exploration Co is on western slope of Andes, at altitude 6000 ft; history; geology; ore mineral is chiefly chalcopyrite; successive periods of development, from 1937 to 1946; details of underhand square set pillar mining; comparison of costs and efficiency of overhead panel and underhand mining. (Bul n 418 Feb 1947)


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    Title :

    Mining of Mercedes orebody, Macuchi, Ecuador, South America


    Additional title:

    Can Inst Min Met -- Trans


    Contributors:


    Publication date :

    1947


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English