The aim of the book is to explain specialized terms from geology and its related fields that appear primarily in German literature in a comprehensive yet concise manner. This fundamental concept requires a significant textual condensation, which is particularly noticeable in the texts of the collective keywords. Through the introduction of this explanatory method, individual keywords often appear in the text that merely indicate a reference to the explanation under a specific collective keyword (e.g., Axial gradient? Transverse folding). Additionally, to meaningfully link keywords within the text itself or in connection with it, references to related keywords have been provided (e.g., for Benthos, see also Nekton, Plankton). Furthermore, in this edition of the book, there is again - following the request of numerous reviewers - an increased emphasis on the.