World Data Service for Geophysics

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


Repository: SOEST [Contact the Curator]
Ship: Moana Wave
Cruise: MW8518
Sample: MW8518 STA55 RD19
Device: dredge, rock
Latitude: -3.74917
Longitude: 151.15083
Water Depth(m): 2635 to 2625
Date: 19851228
Storage: room temperature, dry
Province: basin, small ocean

Manus Basin. Samples 2,3,4 and one unnumbered sample available from this dredge.
1 :   
Comments: ~35 kg of glassy, vesicular lavas; poryphyritic. 1 massive, vesicular lava with hydrothermal staining & small glass patches. Group of sheet flows - lot of fresh glass; striated textured surface. 2 bulbous lavas. Few small fragments with ropey texture. All have very fresh-looking glass! 3 samples (sheet flow types) with thin glass -- palagonitization, manganese coating - porphyritic. 6 mudstones: brecciated + finegrained (+ small bits) - brown/tan & gray ones!