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CHAPTER XXV. Geological Structure of the Carboniferous Volcanic

The Ancient Volcanoes of Great Britain, Volume 1 (of 2) · Archibald Geikie — chapter 12 of 45 · ~47 words · public domain

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Geological Structure of the Carboniferous Volcanic Plateaux of Scotland

1. Bedded Lavas and Tuffs; Upper Limits and Original Areas and Slopes of the Plateaux; 2. Vents; Necks of Agglomerate and Tuff; Necks of Massive Rock; Composite Necks; 3. Dykes and Sills; 4. Close of the Plateau-eruptions 383

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