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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| 0322 |
Southern Tibet : vol.7 |
| 南チベット : vol.7 |
引用情報
OCR読み取り結果
Sir Joseph Hooker had no opportunity to visit the Kara-korum himself, but
in his remarkable narrative he sometimes compares his own observations with those
of Dr. Thomson. About the limestone hills east of Cholamoo Lake in Sikkim he
says:¹ »This, from its mineral characters, appears to be the same limestone formation
which occurs throughout the Himalaya and Western Tibet.» And regarding the snow-
line² he fixes, from 95° E. to 75° E., Assam and Kashmir, the lowest limit of perpetual
snow at 15,500 or 16,000 feet. The climate becomes drier to the north, the snow-
line rises, the vegetation diminishes. »To mention extreme cases; the snow-level of
Sikkim 27° 30′ is at 16,000 feet, whereas in latitude 35° 30′ Dr. Thomson found
the snow-line 20,000 feet on the mountains near the Kara-korum Pass, and vegetation
up to 18,500 feet — features I found to be common also to Sikkim in latitude 28°.»
We remember from another part of this work³ Hooker's general orography
and how the third of his four chains, originating in the mountains near Manasarovar,
was »the Kouenlun or Kara-korum chain, dividing the Indus from the Yarkand river».⁴
When Hooker says that all the waters which flow to the north from his Kara-korum
and its eastern continuation, go to lake Lop, he is obviously influenced by Dr.
Thomson. But Hooker also, like Thomson, regards the Pamir or »Bolor» as the
centre from which the three greatest mountain systems of Asia originate, and of the
third of them he says: »The Muzthagh or Karakorum, which probably extends due
east into China, south of the Hoang-ho, but which is broken up north of Manasarovar
into the chains which have been already enumerated.» Hooker sometimes has Kara-
korum or Kouenlun, sometimes Karakorum or Muztagh, but in both cases he means
the system in which the Karakorum and Muztagh passes are situated.
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457
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467
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478
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488
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520
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530
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541
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552
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563
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573
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583
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593
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605
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615
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625
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635
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646
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666
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681
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693
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704
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714
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726
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737
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747
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758
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773
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788
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801
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813
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833
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848
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864
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876
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888
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