TABLE 1.
Primary chemical composition of subsamples from a black smoker chimney obtained from the PACMANUS sitea
| Subsample used | Chemical composition (atom%)
|
||||||
|---|---|---|---|---|---|---|---|
| O | S | Ca | Ba | Fe | Zn | Other | |
| I | 1.2 | 41.0 | ND | ND | 1.8 | 58.0 | ND |
| II (white) | 5.0 | 37.5 | 0.6 | 3.8 | 0.6 | 53.1 | ND |
| II (gray) | 6.5 | 30.9 | 0.5 | 1.8 | 1.1 | 54.0 | 5.3 |
| III (gray) | 0.5 | 37.2 | 0.2 | 0.4 | ND | 55.9 | ND |
| III (white and orange) | 19.3 | 35.8 | ND | 19.6 | ND | 25.1 | 0.5 |
| IV | 0.8 | 39.4 | ND | ND | 1.4 | 61.1 | ND |
| V | 0.2 | 39.8 | 0.2 | 0.2 | 1.5 | 60.2 | 0.2 |
| VI | 2.4 | 40.0 | 0.5 | ND | 1.9 | 56.1 | ND |
| Subsurface orange layer | 18.0 | 40.1 | 1.8 | 23.6 | 0.2 | 19.1 | ND |
a
Numbering of subsamples was indicated in Fig. 1. ND, not detected.