EarlyProterozoicVolcanogenie MassiveSulfideDepositsin Wisconsin' An Overview THEODORE A. DEMATTIES 10-353rd AvenueN...144-mi-long,eastwest-trending Ladysmith-Rhinelander metavolcanic complex,which consists of various greenschists...zationin the 1880 to 1860 Ma Ladysmith-Rhinelander metavolcanic complex:(1) a mainvolcanic-arcsequence...ce, the structuralcore of the complex,(2) a laterallyequivalentand/oryounger(?),back-are basin,volcanic-volcaniclastic...volcanogeniemassivesulfidemineralizationin the Wisconsin FOul• potentiallyeconomicvolcanogenie(volcan |