Table T2. Rock samples incubated for enrichment cultures and prepared for DNA analysis and electron microscope studies and microspheres evaluated for contamination studies.
Core | Depth (mbsf) |
Sample type |
Enrichment cultures | DNA analysis | SEM/TEM samples | Microspheres† | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Anaerobic | Aerobic | Microcosm* | Wash | Centrifuged | Fixed | Fixed | Air dried |
Exterior | Interior | ||||||
187-1153A- | |||||||||||||||
3W | 142.3-151.9 | Sediment | No | No | |||||||||||
4W | 151.9-209.6 | Sediment | 9 | 3 | X | ||||||||||
6W | 233.4-243.0 | Sediment | No | No | |||||||||||
7W | 243.0-267.6 | Sediment | 10 | 3 | X | ||||||||||
8R | 267.6-274.9 | Rock | 10 | 3 | 1 Mn | X | X | X | X | Yes | No | ||||
Seawater | X | X |
Notes: * = microcosm for iron and sulfur or manganese (Mn) redox cycles; SEM = scanning electron microscope; TEM = transmission electron microscope; † = contamination test; X = sample prepared on board. This table is also available in ASCII format.