The American Geologist, Band 23Newton Horace Winchell Geological Publishing Company, 1899 Includes section "Review of recent geological literature." |
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Häufige Begriffe und Wortgruppen
Acad acid Albany Amer AMERICAN GEOLOGIST associated augite basin Batrachia beds Brachiopoda Bryozoa Bull Cambrian Carboniferous chlorastrolite clay Cretaceous crystals denudation deposits depth described Descriptions Devonian diabase diamonds dikes district drift Eocene erosion evidence Extinct Fauna feet formation Fossils Genera Genus Geological Geological Survey geologists glacial glacier gneiss granite gravel Group Helderberg Hist Ibid ice-sheet Iowa James Hall Jour Kansas lake land limestone locality loess magma Mammalia mass Memb miles mineral Miocene Missouri Missourian moraines mountains Museum Note Observations occur origin oxides Palæontology Paleozoic pegmatyte peneplain Permian Philos plain plates Plattsmouth present Proc Prof Professor quartz region relations Report Rept Reptilia river rocks sandstone schists Science shales Silurian Species of Fossils specimens strata structure surface Tertiary thickness tion topographic Triassic U. S. Geol uplands uplift upper valley Vertebrata volume York
Beliebte Passagen
Seite 144 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Seite 206 - Anyone sending a sketch and description may quickly ascertain our opinion free whether an invention is probably patentable.
Seite 38 - COPE (1894). On the Fishes Obtained by the Naturalist Expedition in Rio Grande do Sul. Proc. Amer. Phil. Soc., XXXIII, 1894, 84-108.
Seite 29 - The Lemuroidea and the Insectivora of the Eocene Period of North America.
Seite 13 - Found in and Near the Same, and on Some Extinct Mammals of the Caves of Anguilla, WI, and of Other Localities.
Seite 151 - Report on the geology of the Lake Superior land district : by JW Foster and JD Whitney, United States Geologists. Part II.
Seite 220 - Alpine structure [form ?] or scenery. There are no prominent peaks or cones. The ridges are even-topped for long distances, and the average elevation is uniform over wide areas. Looking at the crests alone and imagining the valleys and depressions filled, the surface would approximate to a plane gently inclined toward the southeast and toward the southwest (27).
Seite 213 - These plateaus present, when viewed from an elevated point on their surface, the appearance of a general level, with a rolling or undulating outline, over which the view often extends to a very great distance, interrupted only by isolated summits or ridges, usually of small extent.
Seite 210 - The degradation of the last few inches of a broad area of land above the level of the sea would require a longer time than all the thousands of feet which might have been above it, so far as this degradation depends on mechanical...
Seite 335 - C.) and Forsyth (A.). Notes on the geology and mineral deposits of a portion of the southern Black Hills, S.