sediment. Fine grained brown sediment. Collected from a forearc rift, SE Mariana forearc rift, volcanic mound between calderas 1 and 2.
| 1 :
|Lithology/Mineralogy: ||sedimentary (chemical), Mn/Fe oxide crusts and nodules |
|Comments: ||Sample TN273-26D-01-01. Rift bottom. light brown, very porous, fine grained sediment with possible dark volcanic fragments|
| 2 :
|Lithology/Mineralogy: ||sedimentary (chemical), Mn/Fe nodules |
|Glass/remarks:||some samples with fresh glass & Mn/Fe oxide coatings|
|Comments: ||Sample TN273-26D-02-01. Rift bottom. very altered manganese coated lava, no visible phenocrysts, 5cm in size|