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 | ||||||
187-1157A- | ||||||||||||||
2R | 200.0-206.0 | Yes | Yes | |||||||||||
3R | 206.0-215.4 | Breccia | 9 | 3 | 1 Mn | X | X | X | X | |||||
187-1157B- | ||||||||||||||
2R | 130.6-138.5 | Fine-grained basalt | 8 | 3 | 1 Fe/S | X | X | X | X | Yes | Yes | |||
4R | 143.0-147.8 | Chilled margin | 8 | 3 | 1 Fe/S | X | X | X | ||||||
8R | 161.4-166.4 | Chilled margin | 9 | 3 | X | X | X | X | Yes | Yes |
Notes: * = microcosm for iron and sulfur (Fe/S) or manganese (Mn) redox cycles; SEM = scanning electron microscope; TEM = transmission electron microscopy; † = contamination test; X = samples prepared on board. This table is also available in ASCII format.