Identifier: scottishgeograph10scotuoft (find matches)
Title: Scottish geographical magazine
Year: 1885 (1880s)
Authors: Scottish Geographical Society Royal Scottish Geographical Society
Subjects: Geography
Publisher: Edinburgh, Royal Scottish Geographical Society
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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StvruiMmu■B.-tol taba.ft ^^^M^^^^^^riU ** IStuht^ Chan.\ V ■•fraiojs •• Jituan, J. G.Saj^tlialoiiiew. THE MOUNTAjN SYSTEMS OF CENTRAL ASIA
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culll.-h Googiapliicd Mrtj-h^Ui-- 1894 THE MOUNTAIN SYSTEMS OF CENTKAL ASIA. 351 opinion that there is no connection between the recession of the sea andthe volcanic phenomena, and that volcanic rocks are by no meansso widely distributed in Inner Asia as some have supposed, on thebasis of Humboldts theory of the existence of active volcanoes in theTian Shan. It is impossible in this paper to deal with the intricate question ofthe origin and age of the mountain ranges of Central Asia. Moreover,there are not sufhcient data to enable us to do more than speculate onthe ancient relief or contour of the land. Actual observations have beenlimited to lines of route, leaving wide intermediate spaces unsurveyed.The filling-iu of these, and the making of a detailed geological map onthe same scale as that of India, would allow of a theoretical reconstruc-tion of the primeval continent. For the present we must be content toleave the orography a little indefinite, and turn our attention rather toth

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