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
|
||||||
187-1159A- | |||||||||||||||
2R | 145.6-148.6 | Chilled margin | 4 | 1 | X | X | Yes | No | |||||||
3R | 148.6-152.8 | Chilled margin | 9 | 3 | 1 Fe/S | X | X | X | X | ||||||
6R | 161.6-166.7 | Breccia | 1 | 1 Mn | X | X | X | ||||||||
7R | 166.7-173.3 | Chilled margin | X | ||||||||||||
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 = samples prepared on board. This table is also available in ASCII format.