Note 1 — Chapter IV · VOLCANIC ROCKS OF PAST GEOLOGICAL PERIODS OF THE BRITISH ISLES.
Reading edition
The reader is referred to Sir A. Geikie's Presidential Address to the Geological Society (1891) for the latest view of this subject.
Reading edition
The reader is referred to Sir A. Geikie's Presidential Address to the Geological Society (1891) for the latest view of this subject.