On the Phenomena of the Glacial Drift of Scotland
a^M. i^\ % ON THE PHENOMENA OF THE GLACIAL DRIFT OF SCOTLAND BY AECHIBALD GEIKIE, F.RS.E. F.O.S. CiEOLOGIST OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN. HONORARY MEMBER OF THE GEOLOGICAL SOCIETIES OF EDINBURGH AND GLASGOW, ETC. EXTRACTED FROM THE TRANSACTIONS OF THE GEOLOGICAL SOCIETY OF GLASGOW. Vol. T. Part II. GLASGOW: JOHN GRAY, 99, HUTCHESON STKEET. 18G3. i ON THE PHENOMENA OF THE GLACIAL DRIFT OF SCOTLAND BY ARCHIBALD GEIKIE, F.R.S.E. F.G.S. GKOLOGIST OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN, HONORARY MEMBER OF THE GEOLOGICAL SOCIETIES OF EDINBURGH AND GLASGOW, ETC. EXTRACTED FROM THE TRANSACTIONS OF THE GEOLOGICAL SOCIETY OF GLASGOW, Vol. I. Part II. GLASGOW: JOHX GRAY, 99, HUTCHESOX STREET. 18G3. KDINBURfiH ; T. CONSTABLK, riilNTKH To THK (^UKEN, AND TO THE UNIVEFSITY. PREFATORY NOTE. A FEW words of explanation may be offered here regarding the origin and purport of the following fresh contribution to the already ample literature of the Glacial phenomena of Scot- land. In the autimin of 1859, during the course of a geological ramble in Fife, my old friend and colleague, the President of the Geological Society, first led me to inquire more narrowly into the received theories respecting the cause of the dressed rock -surfaces, and the accumulations of boulder-clay. In com- pany with nearly every geologist in this country, I was in the habit of regarding the striations on the hills of the opener parts of the country, as for instance in the valley of the Forth, as due to the abrading force of icebergs, by whose operations also the boulder-clay was held to have been transported over the surface of the submerged land.
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