Lithologic unit
|
Site 1118
|
Site 1109
|
Site 1115
|
|---|---|---|---|
| I | Silty claystone and clayey siltstone interbedded with sandstone and siltstone 205-377.8 mbsf | Calcareous sand, silt, and clay with volcaniclastic sand and volcanic ash 0-83.4 mbsf | Nannofossil ooze with volcanic ash 0-35.7 mbsf |
| II | Claystone, siltstone, and sandstone 377.8-492.4 mbsf | Greenish gray clay interbedded with abundant volcaniclastic sand 83.4-169.7 mbsf | Nannofossil-rich silty clay with volcanic ash layers 35.7-149.7 mbsf |
| III | Silty claystone and clayey siltstone interbedded with sandstone and siltstone 492.4-679.3 mbsf | Clayey silt and silty clay interbedded with clayey silt to coarse sand 169.7-246.7 mbsf | Calcareous silty clay/claystone with volcaniclastic sand/sandstone layers 149.7-388.5 mbsf |
| IV | Silty claystone and clayey siltstone interbedded with volcaniclastic sandstone 679.3-810.8 mbsf | Clayey silt and silty clay 246.7-352.8 mbsf | Calcareous sandy silty claystone 388.5-417.3 mbsf |
| V | Mixed sandstone, siltstone, volcaniclastic sandstone 810.8-857.1 mbsf | Clayey siltstone and silty claystone interbedded with volcaniclastic sand 352.8-387.6 mbsf | Mixed silty sandstone 417.3-474.9 mbsf |
| VI | Limestone 857.1-859mbsf | Clayey siltstone and silty claystone interlayered with clayey siltstone to coarse-grained sandstone 387.6-570.4 mbsf | Sandy siltstone and silty sandstone 474.9-513.4 mbsf |
| VII | Paraconglomerate 859-873.1 mbsf | Sandstone, packstone, and grainstone 570.4-671.8 mbsf | Siltstone 513.4-551.8 mbsf |
| VIII | Dolerite conglomerate 873.1-929.6 mbsf | Silty claystone and clayey siltstone 671.8-705.3 mbsf | Organic-rich silty claystone and limestone 551.8-565.7 mbsf |
| IX | NA | Clayey siltstone and sandstone 705.3-737.1 mbsf | Conglomerate, sandstone, and siltstone 565.7-571.9 mbsf |
| X | NA | Dolerite pebbles and conglomerate 737.1-772.9 mbsf | Sandstone, siltstone, claystone, and conglomerate 571.9-603.9 mbsf |
| XI | NA | Dolerite 772.9-802.5 mbsf | Calcareous sandstone, packstone, siltstone, and silty claystone 603.9-657.8 mbsf |
| XII | NA | NA | Sandy siltstone and silty sandstone657.8-802.5 mbsf |
| First induration | Above Core 180-1118A-1R Above 205 mbsf | Core 180-1109C-4H 36 mbsf | Core 180-1115B-28X 256 mbsf |
| Reference | Fig. F1 (Shipboard Scientific Party, 1999e) | Fig. F1 (Shipboard Scientific Party, 1999c) | Fig. F1 (Shipboard Scientific Party, 1999d) |