TABLE 1. Results of Energy-dispersive X-ray spectroscopy on fossil turrid, Maoricolpus murrayanus (SAMA P60041) from the mid-Miocene Murbko Marl, Murray Basin (South Australia), indicating apparent concentration, k ratio, atomic percent (At%), weight percent (Wt%) and weight percent sigma (Wt %σ).
| Element | Apparent Concentration |
K Ratio | At% | Wt% | Wt% σ |
| C | 13.71 | 0.13711 | 34.1 | 23.53 | 0.23 |
| O | 40.64 | 0.13676 | 53.0 | 48.76 | 0.19 |
| Na | 0.66 | 0.00276 | 0.3 | 0.44 | 0.02 |
| Mg | 0.63 | 0.00417 | 0.3 | 0.44 | 0.02 |
| Al | 1.70 | 0.01223 | 0.6 | 1.00 | 0.03 |
| Si | 4.80 | 0.03804 | 1.6 | 2.54 | 0.01 |
| S | 0.07 | 0.00061 | 0.0 | 0.04 | 0.01 |
| Cl | 0.38 | 0.00329 | 0.1 | 0.18 | 0.01 |
| K | 0.35 | 0.00297 | 0.1 | 0.15 | 0.01 |
| Ca | 48.63 | 0.43454 | 9.7 | 22.34 | 0.10 |
| Fe | 0.96 | 0.00963 | 0.2 | 0.55 | 0.03 |
| W | 0.03 | 0.00026 | 0.0 | 0.02 | 0.08 |
