Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1889 |
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Página 211
... schists . Emerson , in a paper before the American Association , dis- cusses in detail the relations of the ... schists and quartzites of the Upper Wisconsin Valley , the slate - belt of the St. Louis and Minnesota Rivers , the ...
... schists . Emerson , in a paper before the American Association , dis- cusses in detail the relations of the ... schists and quartzites of the Upper Wisconsin Valley , the slate - belt of the St. Louis and Minnesota Rivers , the ...
Página 226
... schists and iron ores of the Lake Superior district has long been a subject of controversy . In a recent paper on this subject , Irving discusses the several theories which have been held and gives a summary of the results of a detailed ...
... schists and iron ores of the Lake Superior district has long been a subject of controversy . In a recent paper on this subject , Irving discusses the several theories which have been held and gives a summary of the results of a detailed ...
Página 243
... schist necessarily exter- minates fossils . In conclusion , the author believes we may safely regard the Canaan fossils as proof that the limestones and schists of the Taconic system ( sic ) are not older than the Potsdam sandstone ...
... schist necessarily exter- minates fossils . In conclusion , the author believes we may safely regard the Canaan fossils as proof that the limestones and schists of the Taconic system ( sic ) are not older than the Potsdam sandstone ...
Contenido
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