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 |
| 187-1156A- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 3R |
124.6-129.6 |
Chilled
margin |
1 |
1 |
1
Mn |
X |
|
X |
X |
|
X |
|
Yes |
Yes |
| 187-1156B- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2R |
181.6-187.4 |
Chilled
margin |
9 |
3 |
1
Mn + 1 Fe/S |
X |
|
X |
X |
|
X |
|
Yes |
Yes |
| 5R |
205.9-210.2 |
Fine-grained
basalt |
9 |
3 |
|
X |
|
X |
X |
|
X |
|
|
|
| 6R |
210.2-215.2 |
Chilled
margin |
5 |
3 |
1
Fe/S |
X |
|
X |
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.