Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1889 |
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Сторінка 202
... beds of limestone . The ash beds are found interbedded with fossiliferous strata at several horizons , and one bed , just below a shale tentatively referred to the Hamilton , is 500 feet in thickness . The volcanic activity appears to ...
... beds of limestone . The ash beds are found interbedded with fossiliferous strata at several horizons , and one bed , just below a shale tentatively referred to the Hamilton , is 500 feet in thickness . The volcanic activity appears to ...
Сторінка 216
... beds of limestone and lava flows , and present scanty fossil evidence that they are of Middle Cambrian age in the upper part , but otherwise similar to the quartzites and schists of the Wasatch Mountains of Utah , and the Chuar and ...
... beds of limestone and lava flows , and present scanty fossil evidence that they are of Middle Cambrian age in the upper part , but otherwise similar to the quartzites and schists of the Wasatch Mountains of Utah , and the Chuar and ...
Сторінка 217
... beds of Maryland . Second , the Mill Creek beds , corresponding closely with the Dakota group , and separated from the Kootanie by a considerable thickness of strata . Above this is a third sub - flora , that of the Belly River series ...
... beds of Maryland . Second , the Mill Creek beds , corresponding closely with the Dakota group , and separated from the Kootanie by a considerable thickness of strata . Above this is a third sub - flora , that of the Belly River series ...
Зміст
Scientific Writings of Joseph Henry | 9 |
APPENDIX TO THE SECRETARYS REPORT | 29 |
Shipments received from abroad | 38 |
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Abstract Acad acid æther Agassiz Amer American appears Archæology Astron astronomical bands beds Berlin black tamanous body bones Bull Cambrian canoes Carboniferous catalogue Chem Chemakum chemical chemistry comet Compt County Cretaceous crystals described Devonian diameter earth earthquakes Eocene equatorial exploration fauna feet figs fish fossils genera genus Geol gives glacier Guyot heat inches Indians instruments investigation Jour July June Klallams Leipzig limestone London measured memoir meridian circle method miles motion mound Mountains Museum Nachr Nature Neuchâtel North observations Observatory obtained origin paper Paris phenomena photographic Phys physical plates potlatch present Proc Prof Professor published recent region relations right ascension River rocks schists Silurian Smithsonian Institution Society species specimens stars stone structure surface tamanous temperature tion tribes tube Twanas Ueber velocity volume XXXII XXXIV York