The major part of the world's high grade industrial manganese ore is being mined in supergene deposits. This book represents the first attempt to bring together

As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent relian

This extensively updated new edition of the widely acclaimed Treatise on Geochemistry has increased its coverage beyond the wide range of geochemical subject ar

Manganese mineralization is diverse in occurence, origin, mineralogy and geochemistry. This volume includes a review of the range of terrestrial Mn deposits and