Figure 3. Seismic profiles across boreholes penetrating extrusive volcanics. A. ODP Site 642 on the Vøring Margin, modified from Planke and Eldholm (1994). B. DSDP Sites 552-554 on the Edoras Bank Margin, modified from Roberts, Schnitker, et al. (1984). EE = top-basement, K = base-SDR.