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ORIGIN OF THE ULTRAMAFIC COMPLEX AT DUKE ISLAND, SOUTHEASTERN ALASKA
THE ULTRAMAFIC COMPLEX DUKE ISLAND SOUTHEASTERN ALASKA
2014/4/8
The Duke Island ultramafic complex crops out in two areas that total 9 square miles. Rocks within the complex are comprised of olivine, clinopyroxene, hornblende and ferriferous oxides and are classif...