TY - JOUR T1 - A granite cliff deep in the North Atlantic A1 - Pautot,Guy A1 - Renard,Vincent A1 - Auffret,Gérard-André A1 - Pastouret,Leo A1 - de Charpal,Olivier UR - https://archimer.ifremer.fr/doc/00000/5181/ KW - Histoire Ifremer N2 - WE report here preliminary results from the detailed sampling of granitic basement at a depth of 4.000 m at the lower edge of the Armorican continental margin near 48°N and 12°W. We consider that we have sampled here the extreme lateral limit of the continental crust where local exposures emerge from under a cover of Cainozoic,Mesozoic and probable Palaeozoic sediments. [NOT CONTROLLED OCR] Y1 - 1976/10 PB - Macmillan Journals JF - Nature VL - 263 IS - 5579 SP - 669 EP - 672 ID - 5181 ER -