World Data Service for Geophysics

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


Repository: SOEST [Contact the Curator]
Ship: Kana Keoki
Cruise: KK840824-02
Sample: KK840824 STA94 RD76
Device: dredge, rock
Latitude: 23.67617
Longitude: -164.91533
Water Depth(m): 920 to 525
Date: 19840907
Storage: room temperature, dry

Necker Is.
1 :   
Comments: ~ 300 lbs., 6 cloth bags. 70-80% of samples have thin (? 1 mm) Fe-Mn coatings. Predominate substrate is beachrock, laminated limestone with burrowing, and some solution features. Fe-Mn crust thickness ranges from 2 mm to << 1 mm. Minor white corraline limestone with no Fe-Mn crusts; possibly fragments fractured during dredging. depth range: 525 - 920 m.