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Repository:	URI	Latitude:	12.33917 to 12.34305
Ship:	Thomas G. Thompson	Longitude:	143.71839 to 143.72346
Cruise:	TN273	Water Depth(m):	3451 to 3374
Sample:	TN273-32D	Date:	20120115 to 20120115
Device:	dredge, rock	PI:	Katherine Kelly
Storage:	room temperature, dry	IGSN:	URI900209
25kg of lava/sediment. 1/4 bag full of Mn coated pillows and sediment in pipe dredge. Collected from a forearc rift, SE Mariana forearc rift, concial structure on W side of SEMFR.

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TN273 data at R2R

1 :    IGSN URI900210
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-01. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 27cm in size
2 :    IGSN URI900211
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-02. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 17cm in size
3 :    IGSN URI900212
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-03. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 21cm in size
4 :    IGSN URI900213
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-04. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 14cm in size
5 :    IGSN URI900214
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-05. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 19cm in size
6 :    IGSN URI900215
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-06. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 21cm in size
7 :    IGSN URI900216
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	notable Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-07. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 15cm in size
8 :    IGSN URI900217
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	notable Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-08. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 22cm in size
9 :    IGSN URI900218
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-09. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 13cm in size
10 :    IGSN URI900219
Lithology and Mineralogy:	igneous (extrusive/volcanic), basalt, pillow
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-32D-01-10. Rift bottom. porphyritic, 10% plagioclase (1-3mm in diameter)- 1% olivine (1-3mm in diameter) pillow basalt, 5% by volume vesicles, 1mm thick manganese crust, 3mm thick glassy rind, 20cm in size
11 :    IGSN URI900220
Lithology and Mineralogy:	sediments (unconsolidated), ooze, calcareous (>30% biogenous matter)
Comments:	Sample TN273-32D-02-01. Rift bottom. sediment, silty mud (calcareous ooze) with 30% by volume sand size foraminifera grains and 70% by volume calcareious mud (coccoliths?)
12 :    IGSN URI900221
Lithology and Mineralogy:	sediments (unconsolidated), ooze, calcareous (>30% biogenous matter)
Comments:	Sample TN273-32D-02-02. Rift bottom. calcareous ooze sediment nodules
13 :    IGSN URI900222
Lithology and Mineralogy:	sediments (unconsolidated), ooze, calcareous (>30% biogenous matter)
Comments:	Sample TN273-32D-02-03. Rift bottom. calcareous ooze hard, shale-like sediment nodules