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 | Fixed | Air dried |
Exterior | Interior | ||||||
| 187-1163A- | ||||||||||||||
| 2R | 161.0-165.4 | Chilled margin | 7 | 3 | 1 Fe/S | X | X | X | X | Yes | Yes | |||
| 4R | 171.4-175.9 | Chilled margin | 7 | 3 | X | X | X | |||||||
| 8R | 189.9-194.1 | Breccia | 7 | 3 | X | X | X | |||||||
| 10R | 199.1-203.1 | Fine-grained basalt | 8 | 3 | X | X | X | |||||||
Notes: * = microcosm for iron and sulfur (Fe/S) or manganese 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.