Wilcox Formation  search
BTChronostratigraphic Units
 .Precambrian
 ..Wilcox Formation
RTVermont
SNPredominantly green, white, and black schist enclosing thin dolomite beds near base of schist. Pegmatitic quartzose gneiss occurs near middle of the formation. Above the gneiss, dark schistose grits contrast with strictly argillaceous types below. In W ce