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Channel deposits of peridotite, gabbro and chromitite from turbidity currents in the stratiform Fiskenæsset anorthosite complex, southwest Greenland
Authors:John S. Myers
Affiliation:

John S. Myers, Geological Survey of Greenland, Øster Voldgade 10, 1350, Copenhagen K, Denmark

Abstract:Trough-shaped layers of peridotite, gabbro and chromitite occur sporadically in a 500 m thick intrusion of mainly anorthosite. The layers are interpreted as deposits in channels which were excavated and filled in by turbidity currents on the floor of the intrusion. They show that these currents were important concentrators of olivine and chromite.
Keywords:
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