The American Journal of Science, 204. sējumsJ.D. & E.S. Dana, 1922 |
No grāmatas satura
1.–5. rezultāts no 19.
53. lappuse
... graptolites in Bohemia is quite different , and quoted associations of graptolites in E1 ( on the same slab ) which in other countries appear sep- arately in altogether different horizons , and declared that the fauna in the Silurian ...
... graptolites in Bohemia is quite different , and quoted associations of graptolites in E1 ( on the same slab ) which in other countries appear sep- arately in altogether different horizons , and declared that the fauna in the Silurian ...
54. lappuse
... graptolites to publish . as their final part a paper dealing with the zonal division of the graptolitic rocks of Bohemia . But my official duties connected with the Bohemian Museum and with working out the Gastropoda of Barrande ...
... graptolites to publish . as their final part a paper dealing with the zonal division of the graptolitic rocks of Bohemia . But my official duties connected with the Bohemian Museum and with working out the Gastropoda of Barrande ...
55. lappuse
... graptolitic shales in which the calcareous concretions are absent , and the upper part of E , ( shales with ... graptolite fauna demonstrates in many sections , there are shales containing Monograptus priodon , M. vomerinus ...
... graptolitic shales in which the calcareous concretions are absent , and the upper part of E , ( shales with ... graptolite fauna demonstrates in many sections , there are shales containing Monograptus priodon , M. vomerinus ...
56. lappuse
... graptolites . At Korno and elsewhere black shales lying on D are metamorphosed by diabase intru- sions into hard hornstone - like shales without a trace of graptolites . At several localities this zone is certainly absent ( for instance ...
... graptolites . At Korno and elsewhere black shales lying on D are metamorphosed by diabase intru- sions into hard hornstone - like shales without a trace of graptolites . At several localities this zone is certainly absent ( for instance ...
57. lappuse
... graptolites in them have a bright silver - like luster ; the best locality is at Zelkovice , where occur : Diplograptus palmeus Barr . , D. ovatus Barr . , Monograp- tus becki Barr . , M. clingani Carr . var . hopkinsoni Per . , M ...
... graptolites in them have a bright silver - like luster ; the best locality is at Zelkovice , where occur : Diplograptus palmeus Barr . , D. ovatus Barr . , Monograp- tus becki Barr . , M. clingani Carr . var . hopkinsoni Per . , M ...
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ammonium chloride appears aragonite atoms bands barium basalt Bayer's beds biotite bowlders brachiopods calcite canine cent chemical chloride clays colloidal color composition compound cone cone-in-cone Cope crystalline crystals deposits described determined Devonian diameter Dinictis Eocene evidence fanglomerates fault plane fauna feet feldspar formation fossils gabbro genus Geological Glass gneiss granite graptolites Holotype Hyrachyus igneous indices John Day JOUR lake Laue photographs layer length leucite limestone liquid lower Marsh mass material measurements melting method miles minerals Miocene mixture molar Nimravus Nimravus debilis occur orthoclase oxide Payette platycopis Pogonodon Pogonodon davisi posterior premolars present probably quartz lode quartzite Reagan refraction region ridge rocks salt sandstone SCI.-FIFTH SERIES sediments serrulidens shales silicates skull solution space groups sparagmite species specimen stibnite strontium structure surface symmetry temperature thickness tion Triassic trilobites U. S. Geol upper zone