The Ancient Volcanoes of Great Britain, Volume 2 (of 2)
CHAPTER XLI
The Eruptive Vents of the Basalt-Plateaux
Vents filled with Basalt or other Lava-form Rock--Vents filled with Agglomerate 270
The Ancient Volcanoes of Great Britain, Volume 2 (of 2)
The Eruptive Vents of the Basalt-Plateaux
Vents filled with Basalt or other Lava-form Rock--Vents filled with Agglomerate 270