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0313 Southern Tibet : vol.7
南チベット : vol.7
Southern Tibet : vol.7 / 313 ページ(カラー画像)

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doi: 10.20676/00000263
引用形式選択: Chicago | APA | Harvard | IEEE

OCR読み取り結果

The most important points in Cunningham's Kara-korum are, that he regards
the system in connection with the Bolor Mountains, as running from east to west;
that it is only one chain, the eastern continuation of which, beyond the Shayok, is
unknown; the Kara-korum Pass is situated in the Kara-korum Range and not in the
Kwen-lun; and that the northern regions of the chain also are nearly unknown.

The beautiful map of JOHN WALKER, a part of which is shown on Pl. XLIII,¹
shows the Kara-korum as a nearly semi-circular range with its convexity towards
the north, and the Kara-korum Pass in its vertex. To the S. E. this range is inter-
rupted, and only N. E. of Panggong-tso there is a range that has the same direction.
The Nubra River is running between two considerable ramifications from the Kara-
korum Range, both directed to the S. E. The range between the Indus and lower
Shayok is called Kailas or Gangri Range. The Singi-kamba or uppermost Indus
has one range on each side, both stretching N. W.—S. E., and the Sacred Kailas
is represented without connection with any other mountain. The source of the Indus
is not on the Kailas, but on the N. E. slopes of the range between the two Indus
branches. The source of the Satlej is Tso Mapham or Manasarovar and Tso Langak
or Rakas Tal. Cunningham has illustrated his orographical views with a »Section
through the Mountain Ranges of the Panjab, from Kangra to Karakoram», on which
he shows the Trans-Tibetan or Karakoram System as a separate range between
Rudok and Pamir (Pl. XLIV).

CUNNINGHAM'S journeys in Ladak were accomplished in the years 1846 and
1847. Dr. THOMAS THOMSON travelled in 1847 and 1848. The journeys of the
latter mark an epoch in the exploration of these regions so difficult of access and
inaugurate a new era in our knowledge of the Kara-korum Mountains. Thomson
was a scientifically trained man and a geologist of high rank. He had already
made some excursions to Skardo, the Sabu valley, Digar and Nubra, when, July 19th.,
1848, he left Leh for a new visit to Nubra via the Kardong Pass, and then to the
Kara-korum Pass. If we don't count CHERNICHEFF, he may be said to be the first
European who ever reached this important point on the great continental water-parting.²

I will now quote a few of the most important passages in THOMSON'S book.
Judging from the horizontally stratified white clay, »the lacustrine formation
of Karsar», which is at least a thousand feet thick, — and from the similar clay he