World Data Service for Geophysics

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

doi:10.7289/V5H41PB8


Repository: URI [Contact the Curator]
Ship: Thomas G. Thompson
Cruise: TN273
Sample: TN273-43D
Device: dredge, rock
Latitude: 12.68333 to 12.68107
Longitude: 143.76169 to 143.76669
Water Depth(m): 3104 to 2885
Date: 20120118 to 20120118
PI: Katherine Kelly
IGSN: URI900345
Storage: room temperature, dry

40kg of lava/sediment. Dredge 1/2 full of rocks, pipe dredge full of rocks and sediment. Collected from a submarine arc, Mariana arc extension, caldera 3 wall.
1 :    IGSN URI900346  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-01. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 15cm in size
2 :    IGSN URI900347  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-02. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 25.5cm in size
3 :    IGSN URI900348  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-03. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 8.5cm in size
4 :    IGSN URI900349  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-04. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 25cm in size
5 :    IGSN URI900350  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-05. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 11cm in size
6 :    IGSN URI900351  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-06. Rift bottom. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 12.2cm in size
7 :    IGSN URI900352  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-07. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 17cm in size
8 :    IGSN URI900353  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-08. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 17cm in size
9 :    IGSN URI900354  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-09. Submarine arc. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 15cm in size
10 :    IGSN URI900355  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-10. Rift bottom. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 10.5cm in size
11 :    IGSN URI900356  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-11. Rift bottom. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 7cm in size
12 :    IGSN URI900357  
Lithology/Mineralogy: sedimentary (pyroclastic), tuff, vitric (glass clasts)
Comments: Sample TN273-43D-01-12. Pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 8cm in size
13 :    IGSN URI900358  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-13. Rift bottom. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 11.5cm in size
14 :    IGSN URI900359  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-43D-01-14. Rift bottom. pillow and flow top basalt, 2mm thick manganese crust, bimodal vesicles: 5% by volume <1mm in diameter 2% by volume 5-12mm in diameter, 4mm thick weathered glassy rim, 12cm in size
15 :    IGSN URI900360  
Lithology/Mineralogy: sediments (unconsolidated), ooze, calcareous (>30% biogenous matter)
Comments: Sample TN273-43D-02-01. Rift bottom. sandy mud, 40% sand size (40% vesicular, fresh glass; 60% planktonic foraminifera), 60% silt + clay
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