Sample ID: WEST03MV - 61D Sample Type: Dredge


Cruise information: WEST03MV
Start End
Cruise dates 1994-02-14 1994-03-21
Cruise ports Wellington, New zealand Iquique, Chile

SIO cruise id WEST03MV
Cruise name WESTWARD LEG 3
Chief scientist Bloomer, Sherman
Cruise narrative The cruise is a follow-up to a previous cruise- Structure and Geomorphology of the Eltanin Transform System, and will use the bathymetry collected from the previous cruise to choose locations for dredging. Rock samples will be analyzed to determine the chemical composition and origin of the crustal rocks.
Cruise ngdc number NA
Proposal title Petrology of the Eltanin Transform Fault System



Sample information WEST03MV
Start End
Date 1994-03-09 1994-03-10
Latitude -54.45 -52.4
Longitude -118.425 -118.4
Water depth (m) 2545 2474

SIO code WEST03MV-61D
SIO sample number 61D
IGSN number SIO001011
Ship name Melville
Navigation type GPS-TRIMBLE MOD. 4000AX
Sampling tool type dredge
Province ridge flank
Crustal age model (mybp) 0.258339



Sub-sample information
Sub-sample number 1
Siocode WEST03MV-61D
Depth top (cm)
Depth bottom (cm)
Lithology
Texture
Composition
Geological age
Weight
Rock lithology igneous (extrusive/volcanic) - basalt
Rock min plagioclase (pg)
Weathering
Remark some samples exhibit fresh glass
Munsell code
Exhaust code
Comments 100LBS. VESICULAR BASALT -BASALT -VESICULAR ANDESITE -BASALT GLASS.