Varve
Videos
A varve is an annual layer of sediment or sedimentary rock.
Pleistocene glacial lake varves at Sandend Bay in Scotland
Varves in a geological park in Itu, Brazil
Varves formed during the Weichselian glaciation, near Eberswalde, Germany
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
Varve
…varves are one of the most important and illuminating in studies of past climate change. Varves are amongst the smallest-scale events recognised in stratigraphy. An annual layer can be highly visible because the particles washed into the layer in the spring when there is greater flow strength are much coarser…
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