<1kg of lava. One fist-sized rock fragment and small glass fragments. Collected from a spreading center ridge axis, Mariana trough, line upslope just off ridge axis to west; hummocky terrain from backscatter image.
| 1 :
|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 TN273-01D-01-01. Vesicular glassy lava; minor weathering (red-orange platy)|