Sample ID: PANR04MV - 36D Sample Type: Dredge


Cruise information: PANR04MV
Start End
Cruise dates 1998-01-15 1998-03-02
Cruise ports Valparaiso, Chile Easter Island, Chile

SIO cruise id PANR04MV
Cruise name PANORAMA EXPEDITION LEG 4
Chief scientist Kartsten, Jill
Cruise narrative Marine geophysical survey of the Northern Chile Ridge and Valdivia Fracture zone system- using SEA BEAM, gravity, magnetics, the 3.5 kHz echosounder, and dredging. During a transit the Challenger Fracture Zone and its intersection with major pseudofault boundaries was mapped.
Cruise ngdc number 15020177
Proposal title Geophysical and Petrological Study of the Northern Chile Ridge/Valdivia Fracture Zone



Sample information PANR04MV
Start End
Date 1998-02-10 1998-02-10
Latitude -41.2917 -41.2867
Longitude -87.7467 -87.7467
Water depth (m) 3928 4057

SIO code PANR04MV-36D
SIO sample number 36D
IGSN number SIO000675
Ship name Melville
Navigation type TRIMBLE TASMAN P(Y) GPS
Sampling tool type dredge
Province rise or ridge - aseismic ocean
Crustal age model (mybp) 1.33656



Sub-sample information
Sub-sample number 1
Siocode PANR04MV-36D
Depth top (cm)
Depth bottom (cm)
Lithology
Texture
Composition
Geological age
Weight 4
Rock lithology igneous (extrusive/volcanic) - basalt
Rock min
Weathering
Remark some samples exhibit palagonitized glass
Munsell code
Exhaust code
Comments 3 old basalt pieces - 2 with very thin glass. Segment V3 - north South Chile Ridge.