lithostratigraphy

Updated About encyclopedia.com content Print Article Share Article
views updated

lithostratigraphy Branch of stratigraphy concerned with the description of rock units in terms of their lithological features. It deals with the spatial relations of such rock units, but does not take into consideration (a) the evolution of the organisms contained within the units (biostratigraphy), or (b) geologic time (chronostratigraphy).