The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, Band 13A. and C. Black, 1861 |
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Seite 18
... Palagonite - tuff , which is intersected here and there by trap - dikes of newer formation , mostly of basalt or obsidian . Though not quite peculiar to Iceland , for it occurs likewise in Sicily , yet pala- gonite - tuff is so largely ...
... Palagonite - tuff , which is intersected here and there by trap - dikes of newer formation , mostly of basalt or obsidian . Though not quite peculiar to Iceland , for it occurs likewise in Sicily , yet pala- gonite - tuff is so largely ...
Seite 19
... palagonite - tuff from the same locality , appears to be essentially * In the " Göttinger Studien , " 1845. Part I. P. 402 . ↑ Manual of Elementary Geology . By Sir Charles Lyell , M.A. , F.R.S. 5th edition . Lond . 1855 , P. 474 ...
... palagonite - tuff from the same locality , appears to be essentially * In the " Göttinger Studien , " 1845. Part I. P. 402 . ↑ Manual of Elementary Geology . By Sir Charles Lyell , M.A. , F.R.S. 5th edition . Lond . 1855 , P. 474 ...
Seite 20
... palagonite - tuff collected by myself on the coast midway between Reykjavik and Havnafiord , or sent me by Dr Hjaltalin from the Fossvogur near Reykjavik . In the former place it is stratified and fissile , the rock forming low cliffs ...
... palagonite - tuff collected by myself on the coast midway between Reykjavik and Havnafiord , or sent me by Dr Hjaltalin from the Fossvogur near Reykjavik . In the former place it is stratified and fissile , the rock forming low cliffs ...
Seite 22
... palagonite - tuff , ac- cording to the analyses of Dr Thomson , nearly corresponds with that of the isolated mineral palagonite , according to the analyses of Professor Bunsen , as quoted by Lyell . Dr Thom- son , however , found no ...
... palagonite - tuff , ac- cording to the analyses of Dr Thomson , nearly corresponds with that of the isolated mineral palagonite , according to the analyses of Professor Bunsen , as quoted by Lyell . Dr Thom- son , however , found no ...
Seite 23
... palagonite - tuff is similarly charac- terised by the presence of marine shells ; in the basalt - tuff of Militello , there are about ninety species of the shells of mollusca , or of the hard parts of echinoderms and crustacea . If the ...
... palagonite - tuff is similarly charac- terised by the presence of marine shells ; in the basalt - tuff of Militello , there are about ninety species of the shells of mollusca , or of the hard parts of echinoderms and crustacea . If the ...
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ambulacra ambulacral animals apparatus appears Araucaria ashes axis basalt beds Botanic Garden bracts Carboniferous cold colour cone containing Cornwall crater deposits district drift earth earthquake elevated eruptions of Kötlugjá existence experiments Eyafjalla fact Fahr fault feet fissures Flora flowers frost geological geologist gneiss ground heat Hekla Henderson hills hoar-frost inches island jökuls Kertch Kötlugjá Laurustinus Ledbury less limestone Llandovery Ludlow Malvern mass miles Monocotyledons mountains nature night observations Old Red Old Red Sandstone organs ovule palagonite palagonite-tuff Patrick Wilson phenomena plants plates pole present probably Professor Pteraspis quantity quartzite Red Sandstone reference regard remarkable Reykjavik river rocks sand says scale seen SERIES.-VOL Severn shales Silurian silver skull snow Society soil species specimens strata surface syenite temperature theory thermometer tion trees Triassic tunnel upper valley vegetable volcanic volume on Iceland