Ever since the term “facies” was introduced into the geological literature by Gressly (1838/41), it has been subject to various interpretations. In this book the concept of Walther (1893/94), based on Gressly and recently reiterated by Murawski (1972), Middleton (1973) and Woodford (1973), is followed, in which facies encompasses all the physical, chemical and biological characteristics of an areally defined geological body in its present state. Facies is not synonymous with palaeo-environment but conclusions about the latter can usually be drawn after facies characteristics have been analysed. Facies characteristics are therefore indicators of the palaeo-environmental conditions under which a rock body has been formed.
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Claus F. K. Diessel
- Springer Berlin Heidelberg
Fallstudie Überschwemmungskarten/© Thaut Images | Fotolia