IIIFカラー高解像度
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
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| IIIFカラー高解像度 |
| Scientific Results of a Journey in Central Asia, 1899-1902 : vol.3 | |
| 1899-1902年の中央アジア旅行における科学的成果 : vol.3 |
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引用情報
574 MY JOURNEY ALONG TIIE ARKA-TAGH IN 1896.
4N4%4'
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t ypi 1 191'Ir~(~
~~~1l.lpd~llfjFl
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f
.//,. )t
- Li
li,t
( i ii _ ,
Ili
--v--~- -
Fig. 46o. THE SAME LOOKING TOWARDS THE PLAINS.
mentioned, the border-range that is pierced by the Naidschin-gol and constitutes one of the parallel chains of the Arka-tagh system. The drainage stream of this glen has cut its bed i o m. deep through the thick gravel-and-shingle beds. And even at the sides the ground is thickly strewn with sharp-edged disintegration products, gravel, and smaller pieces of stone; but eventually the gravel comes to an end and its place is taken by fine powdery dust. The rock was dark green schist, dipping 15° towards the N. Here too for a short distance sand-dunes of a fairly big size have formed on the right or west side of the glen. They climb too a good distance up the mountain-sides, their light yellow colour contrasting sharply against the dark background of the mountain. Our camp beside the Ike-tsohan-namen, close beside a freshwater pool, had an altitude of 4479 m.
October 4th. Above the camp the
r~ glen expands and is joined by several
`~y side-glens from different directions. We
- ~, - t,
~~ followed the main glen up to the pass in
-,_—_: _-- the imposing range that now barred our
path. The glen again contracts and its
,,_ ,~' < ,~ ~'~;.ï~ bottom is filled with gravel. It contained --:z-,-;----,..-:-.--- a tiny frozen brook squeezed in between
,i, perpendicular escarpments of gravel-and-
, ,.._ , iiil I shingle, which higher up grow lower and
Fig. 461.
MONGOLIAN
-, lower, and finally disappear altogether.
The rock here was an arcose or feltspathic sandstone. On both sides of the glen the cliffs tower up in rugged, stupendous
masses; the snow lay, but not heavily, on the northern slopes only. During the last stage of our climb our faces were set to the east. Of the passes of Ike-tsohandavan the eastern one is the higher, namely 4942 m. It is broad and plateau-like, and makes a considerable gap, with lofty masses of rock towering above it on north and south. Here the snow formed a continuous sheet as much as I foot deep.
We descended by a glen running east, far steeper than the glen by which we ascended. The contours in this locality showed the powerful modelling of the peripheral regions; but then we were indeed on our way down from the Tibetan plateau to the lowlands of Tsajdam. The snow lay heaped up amongst the gravel,
JURT, TSAJDAM.
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