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IODP Expedition 330 Louisville Seamount Trail

Daily Science Report 34 -- Friday, 14 January 2011


Site U1374 on 28.6°S Guyot 28° 35' 44.9988" S, 173° 22' 49.8" W
Louisville Seamount Trail
0 m above sea level

Coring in Hole U1374A continues with record-breaking recovery; Cores U1374A-46R to -51R (278.3-335.9 mbsf) were retrieved with 97% recovery and a penetration rate of 3.0 m/hr. The lithology continues to be volcaniclastic breccia with occasionally intercalated possible lava flows. Thin section examinations reveal that a specific clast type contains large (> 1 cm) plagioclase (feldspar) crystals (e.g. found in Cores U1374AR-25 and -29), which contain numerous large melt inclusions.