Editor’s note: The editors thank those who make this annual issue possible. A special thank you goes out to the Industrial Minerals Annual Review editor, to the Industrial Minerals & Aggregates Division Technical Committee chair and vice chairs, and to the authors of the individual commodity profiles.
Jim Norman, member SME, of Tetra Tech Geo, is the industrial minerals annual review editor.
Edgar Blanco, member SME, of Freeport-McMoRan, is chair of the Industrial Minerals &Aggregates Division’s Technical Committee.
