Sample ID: WEST03MV - 12D 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 1994-02-23 1994-02-23
Latitude -56.388 -56.4
Longitude -142.432 -142.4
Water depth (m) 3407 3155

SIO code WEST03MV-12D
SIO sample number 12D
IGSN number SIO000970
Ship name Melville
Navigation type GPS-TRIMBLE MOD. 4000AX
Sampling tool type dredge
Province fracture zone
Crustal age model (mybp) 2.9242



Sub-sample information
Sub-sample number 1
Siocode WEST03MV-12D
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 no glass
Munsell code
Exhaust code
Comments 350LBS.SERPENTINIZED HARZBURGITE -GABBRO - OL-GABBRO -ALT. FELDSPAR GABBRO - SERPENTINIZED BRECCIA.