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| explosion vent; volcano embryo; volcanic lake (или кальдера kee46) | |||
| crater lake; embryonic volcano; explosion lake; explosion pit; gas vent; maar; volcanic embryo | |||
| volcano embryo; explosion vent | |||
| volcanic embryo (эмбрион вулкана) | |||
| маары: 1 phrase in 1 subject |
| Geology | 1 |