Man and the Glacial PeriodD. Appleton, 1892 - 385 pagini |
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... lava - beds of the Pacific coast , whose relations to the Gla- cial period and to man's antiquity are of such great in- terest ; and , secondly , a summer in Europe , to enable me to compare the facts bearing upon the subject on both ...
... lava - beds of the Pacific coast , whose relations to the Gla- cial period and to man's antiquity are of such great in- terest ; and , secondly , a summer in Europe , to enable me to compare the facts bearing upon the subject on both ...
Pagina 2
... lava . The limit of a glacier's motion is determined by the forces which fix the point at which its final melting takes place . This will therefore depend upon both the warmth of the weather and upon the amount of ice . If the ice is ...
... lava . The limit of a glacier's motion is determined by the forces which fix the point at which its final melting takes place . This will therefore depend upon both the warmth of the weather and upon the amount of ice . If the ice is ...
Pagina 35
... lava - stream over the lower ground in front of it , the irregularities are chiefly met with up to a height of 2,000 feet , but the distance from the margin in which the height is reached varies much . While under 681 ° north latitude ...
... lava - stream over the lower ground in front of it , the irregularities are chiefly met with up to a height of 2,000 feet , but the distance from the margin in which the height is reached varies much . While under 681 ° north latitude ...
Pagina 48
... lava , and upon that theory Professor Forbes endeavours to explain all glacial move- ment . The theory , however , seems to be contradicted by fa- miliar facts ; for the iceman , after sawing a shallow groove across a piece of ice , can ...
... lava , and upon that theory Professor Forbes endeavours to explain all glacial move- ment . The theory , however , seems to be contradicted by fa- miliar facts ; for the iceman , after sawing a shallow groove across a piece of ice , can ...
Pagina 123
... lava plains . To the east the movement from the Teton Mountains joined that from various other lofty mountains , where altogether they have left a most intri- cate system of glacial deposits , in whose reticulations Jack- son's Lake is ...
... lava plains . To the east the movement from the Teton Mountains joined that from various other lofty mountains , where altogether they have left a most intri- cate system of glacial deposits , in whose reticulations Jack- son's Lake is ...
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 Alps animals basin boulder-clay boulders cave channel clay cliffs coast continuous County Creek depth distance drainage drift east elevation England erosion Europe evidence extending facts farther fiords flints flow formed Fort Snelling Geological glacial boundary glacial deposits Glacial epoch glacial ice glacial motion Glacial period glaciated area glaciated region glaciers gorge granite gravel Greenland height hills hundred feet Ice age ice-front ice-movement ice-sheet implements Irish Sea island kettle-holes Lake Lake Agassiz Lake Michigan Lake Ontario land latitude lava loess lower marine marked mass melting miles Mississippi motion movement névé northern northward numerous occur Ohio outlet palæolithic pebbles phenomena Pliocene portion preglacial present Professor Rhône Rhône Glacier ridges River rocks sand shells shore side Somme southern southward species square miles strata streams subsidence surface terminal moraine terraces Tertiary Thenay theory thick thousand feet tion transported tributary upper valley vicinity western