Lava tube

Valentine Cave in Lava Beds National Monument, California. This shows the classic tube shape and the curbs on the wall mark former flow levels.

A rare characteristic of lava tubes are lava pillars. This is the Manjanggul lava pillar located in the Manjanggul lava tubes on the island of Jeju-do, Korea.

Lavacicles on the ceiling of Mushpot Cave in Lava Beds National Monument

A lava tube is a natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. Tubes can be actively draining lava from a volcano during an eruption, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like channel.

单词	Lava tunnel
释义	Lava tunnel 英语百科 Lava tube A lava tube is a natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. Tubes can be actively draining lava from a volcano during an eruption, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like channel.
随便看	NAMCS的意思 Nam Cuong的意思 NAMD的意思 Nam Dabaa的意思 Namdaecheon的意思 Namdaesan的意思 Namdagūn的意思 Namdalen的意思 Namdalseid的意思 Namdar的意思 namdas的意思 Namdeogyusan的意思 Namdev的意思 Namdhari的意思 Nam Dinh的意思 Namdinh的意思 Namdrolone Cypionate的意思 Namdrolone Dodecanoate的意思 Nam Duong的意思 name的意思 N.A.M.E.的意思 .name的意思 name abbreviation的意思 nameability的意思 nameable的意思

Lava tunnel

Lava tube