Anh
lava plug
volcanic butte
volcanic neck
volcanic plug
Đức
Halskuppe
Schlottpropfen
Pháp
diatrème
neck
lava plug,volcanic butte,volcanic neck,volcanic plug /SCIENCE/
[DE] Halskuppe; Schlottpropfen
[EN] lava plug; volcanic butte; volcanic neck; volcanic plug
[FR] diatrème; neck