Detailed mapping has shown that the Forbordfjell greenstone is a distinctive volcanic formation occurring actually within the Lower Hovin Group of the Trondheim Supergroup, and is therefore not a Støren Group correlative as previously supposed. The Stokkvola conglomerate, lying stratigraphically above the Forbordfjell greenstone, is accordingly a good deal younger than has been considered in the past, probably of Llandeilian age. Moreover, the parorogenic movements which led to the deposition of this conglomerate clearly cannot be equated with the Trondheim disturbance. Some consequences of this revised stratigraphy are discussed briefly with reference to the local and regional lithostratigraphical sequences and to the palaeontological evidence.