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Penetration, drilling, and core recovery at ICDP Sites 5011-1 and 5011-3 in the El'gygytgyn crater (all data given in field depth; from Melles et al. 2011)
| Site | Hole | Type of material | Penetrated (mblb) | Drilled (m) | Recovered (m) | Recovery (%) |
|---|---|---|---|---|---|---|
| 5011-1 | 1A | Lake sediment | 146.6 | 143.7 | 132.0 | 92 |
| 1B | Lake sediment | 111.9 | 108.4 | 106.6 | 98 | |
| 1C | Total | 517.3 | 431.5 | 273.8 | 63 | |
| Lake sediment | 225.3 | 116.1 | 52 | |||
| Impact rocks | 207.5 | 157.4 | 76 | |||
| 5011-3 | Permafrost deposits | 141.5 | 141.5 | 129.9 | 91 |
