emitted by the Svartsengi are exclusively basalts—notably picrite and tholeite—and emerge through effusive eruptions with a volcanic explosivity index...
23 KB (2,158 words) - 18:52, 6 September 2024
daughter of Amos Farmer. Author of about 150 publications, among them: The Tholeite Dyke at Cowgate (1953) Coals, Bitumens and other Related Fossil Carbonaceous...
4 KB (264 words) - 14:49, 11 June 2023