Ice-works, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1896 - 295 pagini |
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... RIVERS , ICE AND GLA- CIERS . By J. TYNDALL , LL . D. , F. R. S. With 35 Illustrations . $ 1.50 . 2. PHYSICS AND POLITICS ; or , Thoughts on the Application of the Prin- ciples of " Natural Selection " and " Inheritance " to Political ...
... RIVERS , ICE AND GLA- CIERS . By J. TYNDALL , LL . D. , F. R. S. With 35 Illustrations . $ 1.50 . 2. PHYSICS AND POLITICS ; or , Thoughts on the Application of the Prin- ciples of " Natural Selection " and " Inheritance " to Political ...
Pagina ix
... river valleys , though many of them almost undoubtedly were formed when the climate was distinctly colder than it is at the present time , and some probably fall within the Glacial Epoch . But as their connection with ice is less ...
... river valleys , though many of them almost undoubtedly were formed when the climate was distinctly colder than it is at the present time , and some probably fall within the Glacial Epoch . But as their connection with ice is less ...
Pagina 3
... rivers issue from shallower re- cesses in the flanks of the peaks themselves : and through a single opening towards the south , as through a portal , the united ice - streams glide slowly forth , forming the Great Aletsch Glacier , the ...
... rivers issue from shallower re- cesses in the flanks of the peaks themselves : and through a single opening towards the south , as through a portal , the united ice - streams glide slowly forth , forming the Great Aletsch Glacier , the ...
Pagina 6
... river . In this case the medial moraines are also continuous , and produce great mounds , almost comparable with rail- way embankments . It must not , however , be supposed that these consist entirely of débris . The ice beneath them ...
... river . In this case the medial moraines are also continuous , and produce great mounds , almost comparable with rail- way embankments . It must not , however , be supposed that these consist entirely of débris . The ice beneath them ...
Pagina 9
... river . FIG . 1. Perched Block on ice - worn rock islet , Nerlungshavn , near Langesund , Norway . They lie sometimes on the bare rock , almost un- accompanied by moraine débris , and are poised occa- sionally in not very stable ...
... river . FIG . 1. Perched Block on ice - worn rock islet , Nerlungshavn , near Langesund , Norway . They lie sometimes on the bare rock , almost un- accompanied by moraine débris , and are poised occa- sionally in not very stable ...
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Termeni și expresii frecvente
Alpine Alps amount angular basin beneath boulder clay breccias Carboniferous chalk chap cliffs climate coast comparatively considerable crags débris descend direction distance district Drift elevation England Eocene erratics feet above sea-level fragments Geol geologists Geology Geology of England glacial deposits Glacial Epoch glaciers Glen Roy granite Greenland ground height higher hills hypothesis Ice Age ice-sheet ice-streams Illustrations inches indicate inland ice Irish Sea islands Jour lakes land land-ice latitude latter less lower lowlands Malaspina Glacier marine mass material melting miles Moel Tryfaen molluscs moraine mountain nearly neighbourhood névé northern Norway numerous Nunataks occasionally occur peaks pebbles places precipitation present probably Professor Quart range region ridges rise river roches moutonnées sands and gravels Scotland shells side slope snow snow-line sometimes southern stones stratified streams striated subangular submergence surface temperature terminal moraine thickness tion traced upper valley Wales western yards