File:Shore processes and shoreline development (1919) (14761611594).jpg

Identifier: shoreprocessessh00john (find matches)
Title: Shore processes and shoreline development
Year: 1919 (1910s)
Authors: Johnson, Douglas Wilson, 1878-1944
Subjects: Shorelines Coasts
Publisher: New York : John Wiley & Sons, Inc. (etc., etc.)
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN

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ends to obliterate the larger irregularities of acoast and not to make them, one still finds the tidal and waveorigin of such drowned valleys as those of the Maine coastmaintained in recent editions of a standard textbook on geology^^. (6) Fjord Shorelines. — Perhaps no type of shoreline has givenrise to so much discussion as has the fjord shoreline. We maynote in the first place that geologists and geographers may bedivided into two main groups whose ideas regarding the originof fjords are mutually opposed. The first group may be desig-nated as the glacialists, because in their opinion all thephenomena peculiar to fjords may be explained as the result-ofextensive glacial over-deepening of pre-glacial river valleys nearthe sea. The second group, or non-glacialists, reject thetheory of ice erosion, and attempt to account for the phenomenaof fjords in other ways. According to the glacial theory, fjords are partially submergedglacial troughs. The troughs of glaciated mountains far from
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Fig. 25. — A typical section of the fjord coast of Norway, showing angular pattern attributed to fault-control. (177) 178 TERMINOLOGY AND CLASSIFICATION OF SHORES Plate XVII.

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