Earth Sculpture: Or, The Origin of Land-forms |
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Page 6
The enormous tract that extends from the Great Lakes of North America to the
shores of the Arctic Ocean is almost entirely occupied by them. Another immense
area of crystalline schistose rocks is met with in Brazil. The Highlands of Scotland
, ...
The enormous tract that extends from the Great Lakes of North America to the
shores of the Arctic Ocean is almost entirely occupied by them. Another immense
area of crystalline schistose rocks is met with in Brazil. The Highlands of Scotland
, ...
Page 13
... extent with the main flexures and displacements of the underlying rocks. In
many elevated tracts, however, composed of highly disturbed and contorted
strata, no such coincidence of surface-feature and underground structure can be
traced.
... extent with the main flexures and displacements of the underlying rocks. In
many elevated tracts, however, composed of highly disturbed and contorted
strata, no such coincidence of surface-feature and underground structure can be
traced.
Page 15
Such dislocations often interrupt the continuity of the strata in our coalfields. In
such regions we may traverse level or gently undulating tracts, and be quite
unconscious of the fact that geologically we have several times leaped up or
jumped ...
Such dislocations often interrupt the continuity of the strata in our coalfields. In
such regions we may traverse level or gently undulating tracts, and be quite
unconscious of the fact that geologically we have several times leaped up or
jumped ...
Page 28
The disintegrating action of rain in temperate and high latitudes is greatly aided
by frost, and the same is the case in the elevated tracts of more southern latitudes
. Rain renders the superficial portions of rock more porous, and thus enables ...
The disintegrating action of rain in temperate and high latitudes is greatly aided
by frost, and the same is the case in the elevated tracts of more southern latitudes
. Rain renders the superficial portions of rock more porous, and thus enables ...
Page 33
Even in our own country, however, one may observe how in gently undulating
tracts rain washes the finer particles down the slopes and spreads them over the
hollows. After exceptionally heavy or long- continued rain this process becomes ...
Even in our own country, however, one may observe how in gently undulating
tracts rain washes the finer particles down the slopes and spreads them over the
hollows. After exceptionally heavy or long- continued rain this process becomes ...
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Common terms and phrases
accumulation Alps angles anticlines basalt base-level basins become beds broad Carboniferous character cliffs coast-lines cones configuration Cretaceous crust crustal movements crystalline ddbris denudation deposits depressions detritus direction dislocations drainage elevation epigene action epigene agents eroded eruption escarpments eventually feet fiords flexures flow fluvio-glacial deposits folds fracture gently geological structure glacial action glaciers gradually granite ground-moraines Highlands hills hollows horizontal strata ice-sheet igneous rocks inclined indented infrequently irregular islands joints laccoliths lakes land land-forms land-surface lava less limestone low grounds masses materials Mesozoic modified moraines mountain-chain mountain-valleys mountains normal faults North Old Red Sandstone outcrops owe their origin Palaeozoic plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand Sandstone schistose schists Section sediment shales slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic
Popular passages
Page 403 - Dr. A. KEITH, FRCS Heredity. By J. ARTHUR THOMPSON, School of Medicine, Edinburgh. Life Areas of North America: A Study in the Distribution of Animals and Plants. By Dr. C. HART MERRIAM, Chief of the Biological Survey, US Department of Agriculture. Age, Growth, Sex, and Death. By Professor CHARLES S. MINOT, Harvard Medical School.
Page 402 - The Basis of Social Relations. A Study in Ethnic Psychology. By DANIEL G. BRINTON, AM, MD, LL.D., Sc.D., Late Professor of American Archaeology and Linguistics in the University of Pennsylvania ; Author of "History of Primitive Religions," "Races and Peoples," "The American Race,
Page 401 - New Haven Leader. 3. — Rivers of North America. A Reading Lesson for Students of Geography and Geology. By ISRAEL C. RUSSELL, Professor of Geology, University of Michigan, author of " Lakes of North America," "Glaciers of North America," " Volcanoes of North America,
Page 403 - The following volumes are in preparation : Meteors and Comets. By Professor CA YOUNG, Princeton University. The Measurement of the Earth. By Professor CT MENDENHALL.
Page 402 - Professor Brinton his shown in this volume an intimate and appreciative knowledge of all the important anthropological theories. No one seems to have been better acquainted with the very great body of facts represented by these sciences.
Page 401 - Earth Sculpture ; or, The Origin of Land-Forms. By JAMES GEIKIE, LL.D., DCL, FRS, etc., Murchison Professor of Geology and Mineralogy in the University of Edinburgh ; author of " The Great Ice Age,
Page 401 - The book is cleverly written and is one of the best works of its kind ever put before the public. It will be interesting to all readers, and especially to those interested in the study of science.'* — New Haven Lender.
Page 401 - Republican. 6. — Bacteria : Especially as they are related to the economy of nature, to industrial processes, and to the public health. By GEORGE NEWMAN, MD, FRS (Edin.), DPH (Camb.), etc., Demonstrator of Bacteriology in King's College, London. With 24 micro-photographs of actual organisms and over 70 other illustrations. 8°, $2.00.
Page 402 - Mr. Beddard has done well to devote a whole volume to whales. They are worthy of the biographer who has now well grouped and described these creatures. The general reader will not find the volume too technical, nor has the author failed in his attempt to produce a book that shall be acceptable to the zoologist and the naturalist.
Page 401 - Age," etc. Fully illustrated. 8°, $2.00. " This volume is the best popular and yet scientific treatment we know of of the origin and development of land-forms, and we immediately adopted it as the best available text-book for a college course in physiography. . . . The book is full of life and vigor, and shows the sympathetic touch of a man deeply in love with nature.