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* Wash Centrifuged Fixed Fixed Air
dried
Exterior Interior
187-1153A-













3W 142.3-151.9 Sediment










No No
4W 151.9-209.6 Sediment 9 3



X





6W 233.4-243.0 Sediment










No No
7W 243.0-267.6 Sediment 10 3



X





8R 267.6-274.9 Rock 10 3 1 Mn
X
X
X X
Yes No


Seawater




X X





Notes: * = microcosm for iron and sulfur or manganese (Mn) redox cycles; SEM = scanning electron microscope; TEM = transmission electron microscope; † = contamination test; X = sample prepared on board. This table is also available in ASCII format.