Keywords: PeloidsCarboniferousNV.jpg en Peloids visible in a limestone thin-section; Bird Spring Formation Carboniferous of southern Nevada own Wilson44691 2009-11-08 Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html Sedimentary rocks Limestone in thin section Sediments Carbonates Carboniferous Karst |