Norway's first exploitation of oil? The processing of marine mammal blubber in slab-lined pits Heron, C. ; Nilsen, G. ; Stern, B. ; Craig, O. E. ; Nordby, C. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: June 2009 Bibcode: 2009GeCAS..73R.525H