Lamprophyric dykes in Revdal, Scoresby Land, East Greenland: conflicting field observations and K-Ar age determinations

• Main Authors: Poul-henrik Larsen, Lars Stemmerik, Troels F. D. Nielsen, David C. Rex
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Greenland; Scoresby; Scoresby Land; East Greenland; North Atlantic; Scoresby land
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.3782; http://2dgf.dk/xpdf/bull38-01-02-1-9.pdf

cs Field observations on lamprophyric dykes in Revdal, Scoresby Land, suggest a Late Permian age and the dykes would thus represent magmatism related to Permian rifting and basin formation, whereas K-Ar age determinations and chemistry suggest a Tertiary age. It is concluded that the dykes probably...