Table of Contents

Geological setting and petrography of evaporites and basaltic rocks in the Werra mining district, Germany.- Exposures and sampling.- Sample preparation and analytical methods.- Composition of the basaltic rocks.- Isotope determinations.- K-Ar age determinations on the basaltic rocks.- Model calculations of the spatial and temporal temperature distribution at the basalt-rock salt contact after intrusion of the basaltic melts.- Conclusions.- Suggestions for further studies.