A Major Inversion of the Western Part of the Trondheim Nappe

Abstract

to the central Gula Schist Group in the east is presented. The inverted stratigraphy, as seen from the section, is extended from the Hjerkinn area towards the Horg area, thus indicating a general inversion of the western side of the southern Trondheim nappe. E. Rohr-Torp, Institutt for Geologi, Universitetet i Oslo, Blindern, Oslo 3, Norway. The opinions of various authors on the geology of the western part of the Trondheim nappe (a term used by Kulling (1961), Wolff (1967) and Roberts, Springer & Wolff (1970)) have changed a great deal during the last hundred years. The Holonda-Horg district, which is a key area, has been studied by several authors, and their different interpretations are summarized by Th. Vogt (1945). It is interesting to note that before the fossils from the Kalstad and Ho­ londa Limestones were properly determined, an anticlinal structure was