JA Daily Science Report for Expedition 312, 10 December 2005


LOCATION: Site 1256


SCIENCE UPDATE: Cores 206R to 208R recovered 40 cm of moderately altered basalt from 1386.9 to 1396.5 mbsf representing an average recovery of 4.2% and at an average rate of penetration of 0.5 m/hr. Core 208R advanced 3.8 m at 1.7 m/hr but only brought back one flat cobble. Hole conditions are good and mud sweeps have been increased to 75 barrels every 15 m of advance.