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: TN273-41D
Device: dredge, rock
Latitude: 12.79997 to 12.79696
Longitude: 143.78567 to 143.79099
Water Depth(m): 2741 to 2508
Date: 20120117 to 20120117
PI: Katherine Kelly
IGSN: URI900323
Storage: room temperature, dry

20kg of lava. Rocks with very fresh glass. Collected from a submarine arc, Mariana arc extension, caldera 4 wall.
1 :    IGSN URI900324  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-01. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 21cm in size
2 :    IGSN URI900325  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-02. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 19cm in size
3 :    IGSN URI900326  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-03. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 16cm in size
4 :    IGSN URI900327  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-04. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), combination of rocks
5 :    IGSN URI900328  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-05. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), combination of rocks
6 :    IGSN URI900329  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-06. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), fragments
7 :    IGSN URI900330  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-07. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), combination of rocks
8 :    IGSN URI900331  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-08. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 19cm in size
9 :    IGSN URI900332  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-09. Submarine arc. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 16cm in size
10 :    IGSN URI900333  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-01-10. Rift bottom. glassy basalt, ropey flow pattern, fresh glass, vesicular (1-2mm), 2 bags of fragments
11 :    IGSN URI900334  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Weathering/Metamorphism: weathering - light
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-01. Rift bottom. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, fragments
12 :    IGSN URI900335  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-02. Submarine arc. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, 23cm in size
13 :    IGSN URI900336  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-03. Submarine arc. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, 16cm in size
14 :    IGSN URI900337  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-04. Submarine arc. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, 16cm in size
15 :    IGSN URI900338  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-05. Submarine arc. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, 14cm in size
16 :    IGSN URI900339  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-41D-02-06. Rift bottom. altered, glassy basalt, vesicles 20% by volume <5mm in diameter, manganese coating, red staining on exterior, 23cm in size
17 :    IGSN URI900340  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt
Glass/remarks:some samples exhibit fresh glass
Comments: Sample TN273-41D-03-01. Submarine arc. glassy basalt fragments cemented with calcite, fragments
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