Sample ID: PPTU04WT - 01D Sample Type: Dredge

Cruise information: PPTU04WT Start End Cruise dates 1986-01-01 1986-01-27 Cruise ports Pago Pago, American Samoa Nukualofa, Tonga SIO cruise id PPTU04WT Cruise name PAPATUA LEG 4 Chief scientist Hawkins, James W. Cruise narrative The primary objective of this cruise is to derive a geological model of the process by which seafloor spreading occurs in a back-arc basin- and to test the hypothesis that the opening of the basin has been controlled in part by the mechanism of rift propagation with the direction of propagation running from north to south. Cruise ngdc number 15040163 Proposal title

Sample information PPTU04WT Start End Date 1985-12-31 1985-12-31 Latitude -14.808 -14.7 Longitude -170.695 -170.7 Water depth (m) 2800 2100 SIO code PPTU04WT-01D SIO sample number 01D IGSN number SIO001676 Ship name T. Washington Navigation type SATNAV-GPS,AUTO LOG GYRO+2D DOPPLER SPD Sampling tool type dredge Province seamount or seamount province Crustal age model (mybp) NO_DATA

Sub-sample information Sub-sample number 1 Siocode PPTU04WT-01D Depth top (cm) Depth bottom (cm) Lithology Texture Composition Geological age Weight Rock lithology igneous (extrusive/volcanic) - basalt Rock min Weathering Remark no glass Munsell code Exhaust code Comments 200LBS.BASALT -ULTRAMAFIC XENOLITHS -CORAL.