Genetic types of manganese oxide deposits in Scotland : indicators of Paleo-Ocean-spreading rate and a Devonian geochemical mobility boundary /
Nicholson, Keith.
[Lancaster, (Pa.)? : Economic Geology Pub. Co.?,
1992]
Caption title.
Photocopy of article taken from: Economic geology, v. 87, (1992)
Includes bibliographical references.
Manganese oxides
Geology, Stratigraphic