国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ
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| 0661 |
Southern Tibet : vol.7 |
| 南チベット : vol.7 |
引用情報
OCR読み取り結果
tongue water derived from the snow collected in all parts of this extensive region to give
birth to the Nubra river. This central trunk, with its multitude of affluents resembling a
river system, is more fittingly styled the Siachen glacier-system. The four other great
Karakoram glaciers, as well as many smaller but by no means insignificant ones, are
fashioned on the same plan. This type is peculiar to the Karakoram, being conditioned on
the configuration of its valleys and the arrangement of its peaks. For this reason, as
well as on account of certain structural features referable to existing conditions, all these
glaciers merit the designation of glacier-systems or glaciers of the Karakoram type.
Dr. Workman adds that the enclosing barriers of the Siachen consist of granite,
gneiss, crystalline schists, slates and shales, sandstones, amorphous and crystalline
limestones and conglomerates, with some igneous intrusions. He compares the N. E.
wall of the Siachen trunk in structure and extent with that, which, with an unbroken
length of 39 miles, forms the upper portions of the southern Hispar and west Biafo
barriers.
The following table of dimensions and falls of the greatest glaciers is of special
interest:
| | Length | Head | Tongue | Total fall | Average fall |
|-------------|---------------|-----------------------|-----------------------|-----------------------|--------------|
| | Kil. = miles | metres = feet | metres = feet | metres = feet | |
| Siachen . . . . | 72 45 | 6,500 20,992 | 3,704 12,150 | 2,696 8,842 | 1 to 26 |
| Chogo Lungma | 48 30 | 5,854 19,200 | 2,926 9,600 | 2,928 9,600 | 1 to 16 |
| Biafo . . . . . | 59 37 | 5,335 17,500 | 3,201 10,500 | 2,134 7,000 | 1 to 27 |
| Hispar. . . . | 58,5 36,6 | 5,335 17,500 | 3,353 11,000 | 1,982 6,500 | 1 to 29 |
| Baltoro . . . . | 57,6 36 | 5,072 16,637 | 3,353 11,000 | 1,719 5,636 | 1 to 33 |
It would take us too far to enter further into the details of the fascinating
book of Mrs. and Mr. Workman, which is one of the most important contributions
ever given to our knowledge of these mountains.
The Exploration of the Siachen or Rose Glacier, Eastern Karakoram is the
title of a lecture delivered on November 24th, 1913, to the Royal Geographical
Society, by Mrs. F. BULLOCK WORKMAN.¹ It tells the same story as the book quoted
above. After the paper Sir FRANCIS YOUNGHUSBAND stated that Dr. and Mrs. Work-
man had explored the Siachen Glacier »to its extremities, and mapped scientifically
and accurately, so that we now have a full and detailed description of this remarkable
glacier. I desire to congratulate Mrs. and Dr. Hunter Workman on the very fine
work they have accomplished, and on the highly valuable scientific results they have
attained, and which could not have been accomplished without great care of organisation
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864
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876
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888
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