World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
an international partnership


Repository: SIO [Contact the Curator]
Ship: Melville
Sample: PANR04MV-008D
Device: dredge, rock
Latitude: -42.3833 to -42.3867
Longitude: -83.5783 to -83.5867
Water Depth(m): 3143 to 3137
Date: 19980204 to 19980204
PI: Karsten, J; Klein, E.
IGSN: SIO000708
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean
1 :    bulk weight = 150 kg
Lithology/Mineralogy: igneous (extrusive/volcanic), sheet flow basalt
Weathering/Metamorphism: weathering - moderate
Glass/remarks:some samples exhibit fresh glass
Comments: ~150kg basalt pillows & massive flow; glassy with thin Mn coat; surface oxidized; some interior alteration to clay. Segment S-5 South Chile Ridge Ridge.