World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: SIO [Contact the Curator]
Ship: Melville
Sample: PANR04MV-073D
Device: dredge, rock
Latitude: -39.4533 to -39.4517
Longitude: -91.5367 to -91.5417
Water Depth(m): 3353 to 3420
Date: 19980218 to 19980218
PI: Karsten, J; Klein, E.
IGSN: SIO000705
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean
1 :    bulk weight = 30 kg
Lithology/Mineralogy: igneous (extrusive/volcanic), sheet flow basalt
Glass/remarks:>50% samples exhibit fresh glass
Comments: ~30kg glassy pillow & sheet flows - plagioclase phyric. Segment N9, North Chile Ridge.