National Geophysical Data Center (NGDC), NOAA Satellite and Information Service US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples

Repository: ECS Latitude: 81.31235
Ship: Healy Longitude: -153.99283
Cruise: HLY0805 (HE0805) Water Depth(m): 3467
Sample: HLY0805-DR4 Date: 20080901 to 20080901
Device: dredge, rock PI: Larry Mayer
Storage: IGSN: ECS000004

Dredge Site #4 Steep 20 degree south facing slope above contact w/ abyssal plain Submarine fault block. Alpha Ridge. South central border with Nautilus Basin. Descriptions below are preliminary visual shipboard observations.

Contact ECS More Sample Data and Images HLY0805 Trackline Geophysics at NGDC HLY0805 Multibeam Bathymetry at NGDC HLY0805 data at R2R HLY0805 data at USGS HLY0805 data at NGDC
1 :    IGSN ECS00001A   [material from this subsample is not available]
Data/Photo: DR4-001 shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR4-001, 8x6x2cm rock.
Description: lt. yellowish possible volcanic ash, with iron crust/manganese crust, kaolinization
2 :    IGSN ECS00001B   [material from this subsample is not available]
Data/Photo: DR4-002 shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR4-002, 7x4.5x3.5cm rock.
Description: ferricrust--several layers of iron layering. Hemitite roses
3 :    IGSN ECS00001C   [material from this subsample is not available]
Data/Photo: DR4-003 shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR4-003, 17 pieces of various 2-6cm rock.
Description: Manganese crust
4 :    IGSN ECS00001D   [material from this subsample is not available]
Data/Photo: DR4-004 shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR4-004, 5x2x2.5cm rock.
Description: ferrous concretion roundish bulb on top
5 :    IGSN ECS00001E   [material from this subsample is not available]
Data/Photo: DR4-IRD shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR4-IRD, various 1-6cm rocks.
Description: IRD of various rock types and angularity
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