1kg of lava. One clast and small pieces in pipe dredge. Collected from a forearc rift, SE Mariana forearc rift, deep basin on west side.
| 1 :
|Lithology/Mineralogy: ||igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles) |
|Comments: ||Sample TN273-20D-01-01. Rift bottom. vesicular basalt, vesicles 3-5 mm in diameter and 20% by volume, Mn coating and some brown sediment stuck to the exterior|
| 2 :
|Lithology/Mineralogy: ||sedimentary (chemical), Mn/Fe oxide crusts and nodules |
|Comments: ||Sample TN273-20D-02-01. Rift bottom. brown, fine grained sediment with black rock framents approximately 1 mm in diameter|