| Unit/Subunit | Description | Unit
top (core, section, interval [cm]) |
Curated depth (mbsf) |
Unit thickness* (m) |
Recovery** (m) |
|---|---|---|---|---|---|
| 183-1139A- | |||||
| 1A | Massive and flow-banded felsic volcanic cobbles | 49R-1, 109 | 461.69 | 29.06 | 1.59 |
| 1B | Bioclastic sandstone | 52R-1, 56 | 489.66 | 0.47 | 0.47 |
| 1C | Pumice/flow-banded felsic breccia | 52R-1, 103 | 490.13 | 8.36 | 0.43 |
| 1D | Altered, perlitic felsic glass | 53R-1, 25 | 499.05 | 8.95 | 2.25 |
| 1E | Sheared and altered volcaniclastic sediments (fault zone) | 54R-1, 0 | 508.00 | 9.60 | 0.92 |
| 2 | Dark red welded vesicular rhyolite | 55R-1, 0 | 517.60 | 10.48 | 1.35 |
| 3 | Altered crystal vitric tuff-breccia | 56R-1, 78 | 528.08 | 9.74 | 4.63 |
| 4 | Dark red welded vesicular rhyolite | 57R-1, 92 | 537.82 | 38.69 | 6.54 |
| 5 | Lava flow? | 61R-1, 0 | 575.20 | 9.70 | 3.52 |
| 6 | Lava flow(s?), type unknown | 62R-1, 0 | 584.90 | 19.30 | 6.93 |
| 7 | Breccia-topped lava flow | 64R-1, 0 | 604.20 | 2.94 | 2.94 |
| 8 | Spatter-topped? lava flow | 64R-3, 0 | 607.14 | 6.76 | 3.46 |
| 9 | Lava flow, type unknown | 65R-1, 0 | 613.90 | 1.76 | 1.76 |
| 10 | Compound pahoehoe and unknown lava flows | 65R-2, 46 | 615.66 | 2.54 | 2.54 |
| 11 | Aa lava flow | 65R-4, 0 | 618.20 | 6.78 | 3.27 |
| 12 | Transitional lava flow, type unknown | 66R-2, 0 | 624.98 | 3.03 | 4.03 |
| 13 | Breccia-topped lava flow | 66R -4, 9 | 628.01 | 5.09 | 2.03 |
| 14 | Breccia-topped transitional lava flow | 67R-1, 0 | 633.10 | 9.50 | 7.44 |
| 15 | Breccia-topped? lava flow | 68R-1, 101 | 643.61 | 5.16 | 4.15 |
| 16 | Breccia-topped transitional lava flow | 68R-4, 100 | 647.76 | 2.85 | 2.85 |
| 17 | Breccia-topped? lava flow | 68R-7, 38 | 650.61 | 10.89 | 5.36 |
| 18 | Breccia-topped lava flow | 70R-1, 0 | 661.50 | 12.90 | 9.28 |
| 19 | Breccia-topped lava flow | 71R-4, 20 | 674.40 | 19.80 | 13.67 |
Note: * = unit thicknesses are based on curated depths of contacts, ** = recovery is based on curated lengths of recovered core from each unit.