World Data Service for Geophysics

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

doi:10.7289/V5H41PB8


Repository: ECS [Contact the Curator]
Ship: Healy
Cruise: HLY1002 (H-3-10-AR)
Sample: HLY1002-3P-1
Device: core, piston
Latitude: 81.57966
Longitude: -134.4779
Water Depth(m): 3070
Date: 20100825
PI: Brian Edwards
IGSN: ECS003005
Core length (cm): 494
Diameter (cm): 8.65
Storage: refrigerated
Province: seamount or seamount province

Piston core (2400 lb weightstand), 5 sections. Subsamples: core cutter, core catcher(2), scrape of external pipe for microfauna, texture sample. Pull out: 2700. Time: 10:46 Top of 2009 seamount. Poorly sorted, subangular silt with dominant background clay which has many brown (organic?) particles. Rare calcareous? spheres (about 50 micrometers diameter). Some pollen grains. Barren of diatoms. Preliminary descriptions below are by Francky Saint-Ange (CGS). See Sample Data/Information link for additional/updated data, information and images.
1 :    IGSN ECS00007U   0. to 76. cm in core
Comments: Core section 1, identified as: HLY1002-3P-1-001.
Description: preliminary description: 0-10cm brownish mixed of clay sand and coarse grains. possible erosion surface or core disturbance; 10-19cm succession of dark yellowish brown and yellowish brown mud. mottled. bioturbated; 19-25cm yellowish brown mud. mottled and bioturbated; 25-30cm dark grayish brown mud. mottled. bioturbated; 30-35cm succession of dark yellowish brown and yellowish brown mud. mottled. bioturbated; 35-44cm dark yellowish brown coarse grain rich mud unit. mottled. bioturbated; 44-54cm yellowish brown mud. mottled and bioturbated. coarse grain layer around 50cm; 54-64cm heavily mottled brown mud unit. bioturbated; 64-73cm heavily mottled yellowish brown unit. bioturbated; 73-100cm brownish mud unit heavily mottled. end of section at 76cm.
2 :    IGSN ECS00007V   76. to 80. cm in core
Comments: Core section 2, identified as HLY1002-3P-1-002.
Description: preliminary description: 76-80cm brownish mud unit heavily mottled. end of section at 80cm
3 :    IGSN ECS00007W   80. to 200. cm in core
Comments: Core section 3, identified as HLY1002-3P-1-003.
Description: preliminary description: 80-100cm brownish mud unit heavily mottled (continued from 73cm); 100-110 brownish mud unit heavily mottled turning yellowish brown to the top; 110-132cm dark yellowish brown unit, heavily mottled; 132-145cm brownish mud unit heavily mottled; 145-200cm dark brown mud unit heavily mottled;
4 :    IGSN ECS00007X   200. to 344. cm in core
Comments: Core section 4, identified as HLY1002-3P-1-004.
Description: preliminary description: 200-266cm dark brown unit heavily mottled. granules are observed. yellowish brown layers are observed at 250cm and 260cm; 266-300cm dark yellowish brown mud heavily mottled. granules are observed; 300-310 dark brown/dark yellowish brown mud. mottled. probably laminated; 310-344 dark brown mud. heavily mottled. granules and pebbles are observed.
5 :    IGSN ECS00007Y   344. to 494. cm in core
Comments: Core section 4, identified as HLY1002-3P-1-004.
Description: preliminary description: 344-347cm dark brown mud. heavily mottled. granules and pebbles are observed; 347-360cm brownish gravelly layer. erosive contact; 360-370cm reddish yellow gravelly unit mixed with mud. pebbles are observed. alteration; 370-380cm strong brown laminated mud. thin coarse grain layers are observed.alteration; 380-400cm reddish yellow mud and few granules overlayed by laminated mud followed by a reddish yellow mixed of mud and coarse grain sediment. alterated.405-475cm reddish yellow to strong brown quick succession of coarse grain lamination and silt lamination. alternated; 475-494cm reddish yellow mix of mud and granules plus pebbles. alteration.
6 :    IGSN ECS000080  
Comments: Core Catcher, identified as HLY1002-3P-1-CA. Two bags, HLY1002-3P-1-CA-1 (ECS000086) and HLY1002-3P-1-CA-2 (ECS000085).
7 :    IGSN ECS000081  
Comments: Core Cutter, identified as HLY1002-3P-1-CC.
8 :    IGSN ECS00009N  
Comments: External scrape of core barrel for microfauna, identified as HLY1002-3P-1-MFx.
9 :    IGSN ECS00009O  
Comments: External scrape of core barrel for texture, identified as HLY1002-3P-1-Tx.
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