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Schiener, E. and Floris, S. 1977. Coral-bearing material associated with a tholeiitic dyke in the Sordlût valley, Nûgssuaq. Rapport Grønlands Geologiske Undersøgelse. 79, (Dec. 1977), 27–33. DOI:https://doi.org/10.34194/rapggu.v79.7471.