Base Metal Sulfide Deposits in Sedimentary and Volcanic Environments Judith Riley definitions used Briefe sowie Reden zum definitions used such a situation is only possible in the prokaryotic world where there is no such thing as a nuclear mem brane physically secluding the transcription process from the cy toplasm where translation is restricted The first group of contributions focuses on sediment hosted base metal sulfide deposits including examples of Kupferschiefer and Copperbelt type This Proceedings Volume contains a collection of carefully selected papers on current research on the geology and metallogeny of base metal sulfide deposits presented as oral or poster contri tions at the DMG (Deutsche Mineralogische Gesellschaft) GDMB (Gesellschaft Deutscher Metallhiitten und Bergleute Fachsektion Lagerstiittenforschung) SGA (Society of Geology Applied to Mineral Deposits) Joint Meeting on Ore Deposits in Aachen