Upthrusts can be volcanic.Logical formLearned from2 sentences. Volcanic activity can be on a us-state.Logical formLearned from2 sentences. A volcanic mountain can be on a border.Logical formLearned from2 sentences. Volcanic islands may be formed on a tectonic plate.Logical formLearned from2 sentences. A volcanic eruption can be energetic.Logical formLearned from2 sentences. A volcanic plug can be hard.Logical formLearned from2 sentences. Volcanic activity may be monitored.Logical formLearned from2 sentences. A volcanic lake can be circular.Logical formLearned from2 sentences. Volcanic rocks may contain rare-earth metals.Logical formLearned from2 sentences. A volcanic rock can be weathered.Logical formLearned from2 sentences. Sites may be affected by volcanic eruptions.Logical formLearned from2 sentences. Some volcanic mountains may comprise an island.Logical formLearned from2 sentences. Central valley can be between some volcanic mountains.Logical formLearned from2 sentences. A latter may be caused by a succession of volcanic eruptions.Logical formLearned from2 sentences. A volcanic island can be extinct.Logical formLearned from2 sentences.