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*
|
High
pressure
|
Wash
|
Centrifuged
|
Fixed
|
Air dried
|
Exterior
|
Interior
|
||||||
| 187-1158A- | |||||||||||||||
| 2R | 198.9-203.9 | Fine-grained basalt | 9 | 3 | 1 Mn | X | X | X | Yes | Yes | |||||
| 187-1158C- | |||||||||||||||
| 2R | 108.0-117.4 | Fine-grained basalt | 7 | 3 | 1 Fe/S | X | X | X | X | Yes | Yes | ||||
| Seawater | X | X | |||||||||||||
Notes: * = microcosm for iron and sulfur (Fe/S) or manganese (Mn) redox cycles; SEM = scanning electron microscope; TEM = transmission electron microscopy; † = contamination test; X = sample prepared on board. This table is also available in ASCII format.