Identifier: nature1101922lock (find matches)
Title: Nature
Year: 1869 (1860s)
Authors: Lockyer, Norman, Sir, 1836-1920. edt
Subjects: Science Science Sciences Biologie Physique Natuurwetenschappen CIENCIA NATURAL HISTORY BIOLOGY SCIENCE
Publisher: (London, etc., Macmillan Journals Ltd., etc.)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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made on what there is to do.Accurate comparison should be made between thevery typical glaciers of this far southern section of theHimalayan range and those in Kashmir territory andthe Alps, on both of which much has been written.The accompanying illustration (Fig. 1) shows the ruggedpinnacled surface, caused by difference in temperaturebetween 280 latitude and that of Kashmir some 6°farther north, where the accumulation of both snowand moraine is so similar to that in the Alps. Around Bhutan and on the Assam Range, with the elevationof which Everest is closely connected. Since latePliocene time enormous disturbance and crushing onthe Tibetan plateau has taken place, disturbance welldisplayed in the Naga Hills, on the Burrail range,where the whole thickness of the Tertiary rocks, fromthe base upwards, is seen elevated to 10,000 feet,resting unconformably on a much older formation.How much and how often has the course of the Arunaltered, and with it the Tsauspu. in that, geologically
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g. 1.—Mount Everest from the Rongbuk Glacier, nine miles north-west.Mount Everest (slightly reduced in width from the illustration facing p. 2t4). Mount Everest all is changed ; its height and isolationalter all the usual conditions, even those of denudation.It is desirable to know the thickness of the glaciers,the stratification, rate of motion, how far the morainesextend, and to what extent rocks in situ show the effectsof past glaciation. Among the members of this verylarge expedition some should take such observationsand fewer be engaged in finding what height a mancan reach with or without oxygen. The extent of the moraines at the base of Mount Everest tell something of its history. They would be the same age approximately as those I have observed farther east on the south face of the Himalaya in NO. 2752, VOL. I 10) speaking, short lapse of time ? Mr. Mallory describesthis basal area and the surface of the Rongbuk Glacier,comparing it with his knowledge of the Alps. I amled to

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