GALLIUM AND GERMANIUM POTENTIAL OF SYDNEY BASIN COALS, NOVA SCOTIA

by White, J. C.
: Energy, Mines and Resources Canada, 1990.

Series: Geological Survey of Canada, Open File 2091.

BARITE CONCENTRATE: S.E.M. - E.D.X. - P.R.C.

by White, J. C.
: ATLANTIC COAL INSTITUTE, 1987