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0070 Explorations in Turkestan : Expedition of 1904 : vol.2
Explorations in Turkestan : Expedition of 1904 : vol.2 / Page 70 (Grayscale High Resolution Image)

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[Photo] 465 Uptilted Piedmonts of Marghelan.

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doi: 10.20676/00000178
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In the Fergana basin we have, as already hinted, a remarkably good example
of the differential earth-movements characteristic of a sinking deposition area
with uplifting of eroding border ranges. And there, as in the Tarim basin, this
movement has involved an encroachment of mountains on plains through uptilting
of their margins. We have seen how, with the Alai Mountains, uplift was periodic
with intervening times of quiescence, which with the Taldic gave rise to four
erosion cycles, the first one closing in Central Asia's peneplain stage, and how