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Repository:	URI	Latitude:	12.44014 to 12.44108
Ship:	Thomas G. Thompson	Longitude:	143.65646 to 143.65999
Cruise:	TN273	Water Depth(m):	3495 to 3437
Sample:	TN273-25D	Date:	20120112 to 20120112
Device:	dredge, rock	PI:	Katherine Kelly
Storage:	room temperature, dry	IGSN:	URI900153
5lbs of lava. Four Mn coated rocks. Collected from a forearc rift, SE Mariana forearc rift, small volcanic mound cross cutting faults S of volcanoes.

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TN273 data at R2R

1 :    IGSN URI900154
Lithology and Mineralogy:	sedimentary (chemical), Mn/Fe nodules
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-25D-01-01. Rift bottom. vesicular basalt, vesicles 1-3mm in diameter and 12% by volume, Mn coating, 100% plagioclase ( approximately 1mm), 4mm glassy layer
2 :    IGSN URI900155
Lithology and Mineralogy:	sedimentary (chemical), Mn/Fe nodules
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-25D-01-02. Rift bottom. vesicular basalt, vesicles 1-3mm in diameter and 12% by volume, Mn coating, 100% plagioclase ( approximately 1mm), 4mm glassy layer
3 :    IGSN URI900156
Lithology and Mineralogy:	sedimentary (chemical), Mn/Fe nodules
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-25D-01-03. Rift bottom. vesicular basalt, vesicles 1-3mm in diameter and 12% by volume, Mn coating, 100% plagioclase ( approximately 1mm), 4mm glassy layer
4 :    IGSN URI900157
Lithology and Mineralogy:	sedimentary (chemical), Mn/Fe nodules
Glass and remarks:	some samples with fresh glass & Mn/Fe oxide coatings
Comments:	Sample TN273-25D-01-04. Rift bottom. vesicular basalt, vesicles 1-3mm in diameter and 12% by volume, Mn coating, 100% plagioclase ( approximately 1mm), 4mm glassy layer