Late Carboniferous hydrocarbon-seep carbonates from the glaciomarine Dwyka Group, southern Namibia Himmler, Tobias ; Freiwald, André ; Stollhofen, Harald ; Peckmann, Jörn Abstract Publication: Palaeogeography Palaeoclimatology Palaeoecology Pub Date: January 2008 DOI: 10.1016/j.palaeo.2007.09.018 Bibcode: 2008PPP...257..185H