Table 1. Dataset 1 showing tephra layer thicknesses from Engwell et al. (2014) for Plinian and co-ignimbrite phases of the CI eruption with distance from the source.
| Sample | Lon (E) | Lat (N) | Depositional Environment | Water Depth (m) | Distance from source (km) | Thickness Plinian (cm) | Thickness Co-ignimbrite (cm) | % Co-ignimbrite Tephra |
|---|---|---|---|---|---|---|---|---|
| TR172-42 | 14.55 | 40.02 | Deep Sea | 728 | 118 | 11 | 4 | 27.7 |
| LGdM | 15.61 | 40.93 | Lake | NA | 130 | 16.5 | 13 | 44.1 |
| MONTEN | 18.48 | 42.78 | Cave | 2,750 | 430 | 5.1 | 2.9 | 36.2 |
| RC9-191 | 18.03 | 38.20 | Deep Sea | 2,345 | 445 | 1.56 | 2.44 | 61.0 |
| V10-69 | 17.28 | 37.23 | Deep Sea | 3,156 | 490 | 1.38 | 1.62 | 54.0 |
| RC9-190 | 19.23 | 38.65 | Deep Sea | 1,712 | 497 | 1.4 | 2.6 | 65.0 |
| RC9-189 | 19.68 | 36.98 | Deep Sea | 3,378 | 645 | 5.2 | 4.8 | 48.0 |
| V10-67 | 20.72 | 35.70 | Deep Sea | 2,904 | 810 | 1.6 | 2.9 | 64.4 |
| RC9-185 | 20.12 | 34.45 | Deep Sea | 2,858 | 890 | 0.75 | 2.25 | 75.0 |
| TR171-21 | 20.13 | 34.45 | Deep Sea | 2,785 | 900 | 0.32 | 2.18 | 87.2 |
MONTEN values calculated from data in Morely & Woodward (2011)62. Note how the percentage of the co-ignimbrite contribution tends to increase with distance from source.