Man and the Glacial PeriodD. Appleton, 1892 - 385 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 22
Pagina 63
... , we can reason , also , that any northerly subsidence permitting a body of water to occupy the space between Kentucky and Lake Superior , and deep enough to facilitate the movement across it of floating ice. SIGNS OF PAST GLACIATION . 63.
... , we can reason , also , that any northerly subsidence permitting a body of water to occupy the space between Kentucky and Lake Superior , and deep enough to facilitate the movement across it of floating ice. SIGNS OF PAST GLACIATION . 63.
Pagina 97
... subsidence of the land sufficient to admit the waters of the ocean . Leav- ing this question for the present undetermined , we will now rapidly summarise the glacial phenomena west of the third meridian from Washington ( which ...
... subsidence of the land sufficient to admit the waters of the ocean . Leav- ing this question for the present undetermined , we will now rapidly summarise the glacial phenomena west of the third meridian from Washington ( which ...
Pagina 113
... subsidence in the cen- tral portion . Of such a subsidence in the Isthmus of Panama indications are thought to be afforded by the occurrence of late Tertiary or , more probably , post - Terti- ary sea - shells at a considerable ...
... subsidence in the cen- tral portion . Of such a subsidence in the Isthmus of Panama indications are thought to be afforded by the occurrence of late Tertiary or , more probably , post - Terti- ary sea - shells at a considerable ...
Pagina 120
... subsidence . But , in the area under consideration , the loess , or loam , is so extensive that it is perhaps necessary to sup- pose that the central portions of the Mississippi Valley were subjected to a subsidence amounting to about ...
... subsidence . But , in the area under consideration , the loess , or loam , is so extensive that it is perhaps necessary to sup- pose that the central portions of the Mississippi Valley were subjected to a subsidence amounting to about ...
Pagina 125
... subsidence to the east , and vice versa . In short , he supposes that the east and west for a long time played a game of seesaw , with the Rocky Mountains as the fulcrum . We give his scheme in tabu- lated form . Scheme of Correlation ...
... subsidence to the east , and vice versa . In short , he supposes that the east and west for a long time played a game of seesaw , with the Rocky Mountains as the fulcrum . We give his scheme in tabu- lated form . Scheme of Correlation ...
Alte ediții - Afișează-le pe toate
Man and the Glacial Period George Frederick Wright,Henry Williamson Haynes Vizualizare completă - 1892 |
Man and the Glacial Period George Frederick Wright,Henry Williamson Haynes Vizualizare completă - 1892 |
Termeni și expresii frecvente
accumulation Alleghany Alps America animals basin boulder-clay boulders cave channel clay cliffs coast continuous County Creek depth discovery distance drainage drift east elevation England erosion Europe evidence extending facts farther fiords flint flow formed Fort Snelling Geological Society geologists glacial deposits Glacial epoch glacial ice glacial motion Glacial period glaciated area glaciated region gorge granite gravel Greenland height hills hundred feet Ice age ice-front ice-sheet implements Irish Sea island kettle-holes Lake Agassiz Lake Michigan Lake Ontario land latitude lava loess lower marine mass melting miles Mississippi motion névé northern northward numerous occur Ohio Ohio River outlet palæolithic pebbles Pliocene portion preglacial present Professor Rhône Glacier ridges River rock sand shells shore side southern southward species square miles strata streams subsidence surface terminal moraine terraces Tertiary Thenay theory thick thousand feet tion transported Trenton tributary upper valley vicinity western