Charles Walter De Vis
Videos
Charles Walter de Vis was an English zoologist, ornithologist, herpetologist, and botanist.
Charles Walter De Vis
Stratigraphy
Videos
Stratigraphy is a branch of geology concerned with the study of rock layers and layering. It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy has three related su
Charles Walter De Vis
…Creek), but he also described a number of extant bird species. In fact, he was more successful at the latter, because due to insufficient knowledge of stratigraphy and evolution, he—like many ornithologists of his time—mistook subfossil remains of extant birds for the remains of extinct prehistoric species. Among…
The Permian through Jurassic strata of the Colorado Plateau area of southeastern Utah demonstrate the principles of stratigraphy.
Engraving from William Smith's monograph on identifying strata based on fossils
Strata in Cafayate (Argentina)
Chalk layers in Cyprus, showing sedimentary layering