The American Journal of Science and Arts, Volumes 93-94S. Converse, 1867 - Science |
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Page 16
... beds of No. 3 , Niobrara Di- vision , forming along the river nearly vertical bluffs , extending sometimes several miles . The rock varies in texture from a nearly white , soft chalk , much like our chalk of commerce , to a somewhat ...
... beds of No. 3 , Niobrara Di- vision , forming along the river nearly vertical bluffs , extending sometimes several miles . The rock varies in texture from a nearly white , soft chalk , much like our chalk of commerce , to a somewhat ...
Page 18
... beds of pudding stone , and the most beautiful illustrations of wave and ripple markings that I have ever observed in my geological explora- tions . I was unable to discover any well defined fossils , but wher- ever the surfaces of the ...
... beds of pudding stone , and the most beautiful illustrations of wave and ripple markings that I have ever observed in my geological explora- tions . I was unable to discover any well defined fossils , but wher- ever the surfaces of the ...
Page 19
... beds , dip ping at an angle of about 5 ° , 30 ° S. of E. * On reaching the source of the Pipestone creek , in the valley of which the Pipestone bed is located , I was surprised to see how inconspicuous a place it is . Indeed , had I not ...
... beds , dip ping at an angle of about 5 ° , 30 ° S. of E. * On reaching the source of the Pipestone creek , in the valley of which the Pipestone bed is located , I was surprised to see how inconspicuous a place it is . Indeed , had I not ...
Page 30
... bed , associated with Zeuglodon bones , Luganum Rogersi and Scutella Lyelli . More- over , the oyster occurring on top of the Jackson beds , as stated in a previous paper is not O. Georgiana , but a Gryphaea every- where accompanying ...
... bed , associated with Zeuglodon bones , Luganum Rogersi and Scutella Lyelli . More- over , the oyster occurring on top of the Jackson beds , as stated in a previous paper is not O. Georgiana , but a Gryphaea every- where accompanying ...
Page 32
... beds in which O. Georgiana and O. sellaformis respectively occur at that place , if ( as seems probable from its non ... bed at Vicksburg is preeminently the habitat of a shell common to the Jackson and Vicksburg stages , but most ...
... beds in which O. Georgiana and O. sellaformis respectively occur at that place , if ( as seems probable from its non ... bed at Vicksburg is preeminently the habitat of a shell common to the Jackson and Vicksburg stages , but most ...
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alcohol ammonia analysis angles appear atoms axis beds boiling point carbon Carboniferous cavern cent characters chemical chlorid Coal-measures color comet compound containing copper Cretaceous crystals decomposed density deposits described determined diameter distillation earth Eocene ether ethyl examined fact feet formation formula fossils fractionated distillations Geinitz genera genus Geological give heat hydrochloric acid inches infusoria iron JOUR kaolin kaolinite latitude latter less light limestone liquid longitude mass mean meteoroids meteors method mica miles mineral Miocene nacrite nearly observed obtained orbit oxyd oxygen Paleontology Permian photosphere plane plates portion present probably Prof quantity ratio referred regard remarkable river rocks salt sandstone SCI.-SECOND SERIES seen shell silicic acid silicic ether silicium Silurian solar solution species specimens spot strata Substance sulphate sulphuric acid surface temperature thickness tion tube upper vapor weight XLIII