Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: ECS [Contact the Curator]
Ship: Healy
Cruise: HLY0805 (HE0805)
Sample: HLY0805-DR1
Device: dredge, rock
Latitude: 81.39868
Longitude: -151.96539
Water Depth(m): 3266
Date: 20080831 to 20080831
PI: Larry Mayer
IGSN: ECS000001

Dredge Site #1 Near top of ridge with 30 degree slope above debri from slump at contact with abyssal plain. Submarine fault block. Alpha Ridge. South central border with Nautilus Basin. Descriptions below are preliminary visual shipboard observations.
1 :    IGSN ECS00000A  
Data/Photo: DR1-001 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-001, 15 x 9 x 3cm rock.
Description: interbedded sandstone/mudstone (light ochre layer, coarse volcanic sand, manganese crust)
2 :    IGSN ECS00000B  
Data/Photo: DR1-002 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-002, 12 x 9 x 3cm rock.
Description: interbedded sandstone/mudstone (manganese crust, erosional surfaces, no exposed bedding)
3 :    IGSN ECS00000C  
Data/Photo: DR1-004 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-004, 5 x 4 x 1cm rock.
Description: interbedded sandstone/mudstone (manganese crust)
4 :    IGSN ECS00000D  
Data/Photo: DR1-005 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-005, 2 pieces of 2 x 2 x 4cm rock.
Description: Interbedded mudstone (light ochre layer)
5 :    IGSN ECS00000E  
Data/Photo: DR1-006 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-006, 3 pieces of 3 x 2 x 2 cm rock.
Description: red mud (top) and (coarse volcanic sand, manganese crust)
6 :    IGSN ECS00000F  
Data/Photo: DR1-007 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-007, 5 x 2 x 1cm rock.
Description: interbedded sandstone/mudstone (coarse volcanic sand, manganese crust)
7 :    IGSN ECS00000G  
Data/Photo: DR1-008 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-008, 4 pieces, 3 pieces of 2 x 2 x2 cm rock.
Description: interbedded sandstone/mudtsone (red) (coarse volcanic sand, manganese crust)
8 :    IGSN ECS00000H  
Data/Photo: DR1-009 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-009, 2 x 1 x 1cm rock.
Description: interbedded mudstones (light ochre layer)
9 :    IGSN ECS00000I  
Data/Photo: DR1-010 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-010, 11 pieces of 1 x 1 x 1 -> 2 x 2 x 5 cm rock.
Description: miscallaneous sandstone bits (light ochre layer?, coarse volcanic sand, manganese crust)
10 :    IGSN ECS00000J  
Data/Photo: DR1-011 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-011, 8 x 6 x 4cm rock.
Description: interbedded sands/muds (manganese crust, coarse volcanic sand, weathered surfaces)
11 :    IGSN ECS00000K  
Data/Photo: DR1-012 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-012, 9 x 7 x 7cm rock.
Description: interbedded sands/muds (manganese crust, coarse volcanic sand, weathered surfaces)
12 :    IGSN ECS00000L  
Data/Photo: DR1-013 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-013, 10 x 4 x 4cm rock.
Description: mudstone (manganese crust)
13 :    IGSN ECS00000M  
Data/Photo: DR1-014 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-014, 6 x 5 x 5cm rock.
Description: sandstone (coarse volcanic sand, manganese crust, erosional contact)
14 :    IGSN ECS00000N  
Data/Photo: DR1-015 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-015, 5 x 5 x 3.5 and 4 x 4 x 3.5cm rock.
Description: interbedded sandstone /red mudstone (coarse volcanic sand, manganese crust)
15 :    IGSN ECS00000O  
Data/Photo: DR1-016 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-016, 6 x 6 x 3 cm rock.
Description: interbedded sandstone/mudstone (manganese crust)
16 :    IGSN ECS00000P  
Data/Photo: DR1-017 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-017, 3 pieces of 5 x 3 x3 cm rock.
Description: interbedded sandstone/mudstone (manganese crust, mud ripups)
17 :    IGSN ECS00000Q  
Data/Photo: DR1-018 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-018, 2 x 2 x 2 and 2 x 2 x 6cm rock.
Description: sandstone unit
18 :    IGSN ECS00000R  
Data/Photo: DR1-019 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-019, 10 pieces of 2 x 2 x 4cm rock.
Description: 2 with coarse volcanic sand, 1 red dessicated mud, small manganese crust pieces, random bits. Some layering, possible ripout casts
19 :    IGSN ECS00000S  
Data/Photo: DR1-020 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-020, 7 x 6 x 2cm rock.
Description: sandstone (ms, sole marks)
20 :    IGSN ECS00000T  
Data/Photo: DR1-021 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-021, 4 pieces of > 6 x 4 x 4 cm rock.
Description: pieces of manganese crust crust?
21 :    IGSN ECS00000U  
Data/Photo: DR1-022 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-022, 2 pieces of 5 x 5 x 2
Description: fine sandstone/mudstones with clay ripups solemarks (light ochre layer bed on top, manganese crust)
22 :    IGSN ECS00000V  
Data/Photo: DR1-023 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-023, 10 pieces of all > 5 cm rock.
Description: mixed sandstone/mudstone (manganese crust)
23 :    IGSN ECS00000W  
Data/Photo: DR1-024 shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-024, all > 5 cm cm rock.
Description: random rubble (manganese crust)
24 :    IGSN ECS00000X   [material from this subsample is not available]
Data/Photo: DR1-025 shipboard photos
Comments: Currently on load for ECS-related research. Sample or specimen identified as HLY0805-DR1-025, 2 x 1 x 1cm rock. Sent to the University of Michigan.
Description: vessicular, glassy basalt
25 :    IGSN ECS00000Z   [material from this subsample is not available]
Data/Photo: DR1-026 shipboard photos
Comments: Currently on loan for ECS-related research. Sample or specimen identified as HLY0805-DR1-026, 2 pieces of 2 x 2 x 1 cm rock. Sent to the University of Michigan.
Description: gray andesite?
26 :    IGSN ECS000013  
Data/Photo: DR1-IRD shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-IRD, various
Description: 1 bag gravel fraction
27 :    IGSN ECS000014  
Data/Photo: DR1-MUD shipboard photos
Comments: Sample or specimen identified as HLY0805-DR1-MUD, Healy crew threw away of approx 1 lb
Description: 1 bag mud
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Cite the IMLGS database as: Curators of Marine and Lacustrine Geological Samples Consortium. The Index to Marine and Lacustrine Geological Samples (IMLGS). National Geophysical Data Center, NOAA. doi:10.7289/V5H41PB8 [date of access].

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