Sample ID: WEST03MV - 17D 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 1994-02-24 1994-02-24
Latitude -56.27 -56.3
Longitude -139.308 -139.3
Water depth (m) 2883 2748

SIO code WEST03MV-17D
SIO sample number 17D
IGSN number SIO000975
Ship name Melville
Navigation type GPS-TRIMBLE MOD. 4000AX
Sampling tool type dredge
Province ridge crest
Crustal age model (mybp) 0.742895



Sub-sample information
Sub-sample number 1
Siocode WEST03MV-17D
Depth top (cm)
Depth bottom (cm)
Lithology
Texture
Composition
Geological age
Weight
Rock lithology igneous (extrusive/volcanic) - basalt
Rock min plagioclase (pg)
Weathering weathering - light
Remark some samples exhibit fresh glass
Munsell code
Exhaust code
Comments 45LBS. PL PHYRIC BASALT -BASALT -BASALT GLASS.