Theoretical Considerations on the Conditions Under which the Drift Deposits Containing the Remains of Extinct Mammalia and Flint-implements Were Accumulated; and on Their Geological Age1862 |
Common terms and phrases
50 feet Abbeville Acheul admit Amiens author conceives ballast-pit chalk Charonne climatal conditions cold common considerable considered deposit difference of level drift England and France evidence excavation existing extreme glacial fact Fauna flint flint-implements fluviatile gravels former paper forty-three species freshwater shells geological period glacial period glaciers gravel of St ground-ice height high-level gravel period higher gravels Hippopotamus ice-action ice-chisels implements inundations JOSEPH PRESTWICH land and freshwater level gravels line of 53 loam and brick-earth loess low-level gravels mammalian remains mean annual temperature Mollusca Montiers Moulin Quignon Murchison's Russia newer observations Oise old rivers oolitic débris organic remains paper the author Paris physical phenomena pleistocene Post-pliocene present river-valleys present rivers rate of elevation reference Reindeer river-level Roch ROYAL SOCIETY sand and gravel Seine valley shingle shown Siberia Somme spread strata terrace of gravel tion Trans transport valley gravels volume of water Waveney whilst Yakutsk