Palynostratigraphy and palynofacies analysis of upper Devonian and Mississippian strata of Eastern U.S.A.

Abstract

Well preserved and taxonomically diverse miospore assemblages have been recovered from the uppermost Devonian and lower Mississippian strata of the Appalachian Basin, Eastern USA. Rock samples were collected from 13 localities in the region, including outcrop and borehole cores from four states; Ohio, Kentucky, West Virginia and Pennsylvania. Several of field localities studied have not previously been sampled for palynological analysis. Sampling focused primarily upon on fine grained, organic rich mudrocks, shales and claystones. Samples were processed for palynostratigraphic and palynofacies analysis using standard techniques. Analysis was conducted using transmitted light microscopy. Miospores encountered in this investigation are systematically described and illustrated. A total of 85 species and 40 genera were recorded. One new species is proposed and two new spore types are described.