JA Daily Science Report for Expedition 312, 17 December 2005


LOCATION: Site 1256


SCIENCE UPDATE: Cores 226R to 229R recovered 5.46 m of highly altered fine grained aphyric basalt with subordinate highly altered medium grained gabbro and felsic units from 1463.9 to 1483.0 mbsf at an average penetration rate of 1.1 m/hr.