Open AccessK/Ar age determinations on dolerites from southern Peary Land
Author(s) -
N Henriksen,
H.F Jepsen
Publication year - 1970
Publication title -
rapport
Language(s) - English
Resource type - Journals
eISSN - 2597-2944
pISSN - 0418-6559
DOI - 10.34194/rapggu.v28.7238
Subject(s) - precambrian , sill , geosyncline , geology , fjord , equator , sedimentation , geochemistry , paleontology , geomorphology , sediment , sedimentary rock , geodesy , latitude
Whole rock K/Ar age determinations have been undertaken on two Precambrian discordant sills and one post Lower Cambrian dyke from the Jørgen Brønlund Fjord - Midsommersø area. The rocks, which were collected by H. F. Jepsen, were chosen for age determination to obtain a minimum age of the pre-tillitic sandstones in southern Peary Land and from this to get an indication ofthe age of the youngest sedimentation in the Carolinidian geosyncline (Haller, 1961).