The Geological Magazine, or Monthly Journal of Geology, Vol. 4: With Which Is Incorporated the Geologist, Nos. 151-162; January-December, 1877 (Classic Reprint)
The Geological Magazine, or Monthly Journal of Geology, Vol. 4: With Which Is Incorporated the Geologist, Nos. 151-162; January-December, 1877 (Classic Reprint)
Excerpt from The Geological Magazine, or Monthly Journal of Geology, Vol. 4: With Which Is Incorporated "the Geologist;" January-December, 1877 Elevation and Depression of Strata - The movements of the earth's crust are generally allowed to be due to the loss of heat from within it, whether by the wrinkling or the crushing of the crust on a con-3 tracting nucleus, or by any other means. But at the beginning of geologic time the temperature was much more elevated above that of its surrounding medium than at present, and ...
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Excerpt from The Geological Magazine, or Monthly Journal of Geology, Vol. 4: With Which Is Incorporated "the Geologist;" January-December, 1877 Elevation and Depression of Strata - The movements of the earth's crust are generally allowed to be due to the loss of heat from within it, whether by the wrinkling or the crushing of the crust on a con-3 tracting nucleus, or by any other means. But at the beginning of geologic time the temperature was much more elevated above that of its surrounding medium than at present, and consequently cooling or the loss of heat must have gone on more rapidly than at present, and from this follows a more rapid progress of those movements of upheaval and subsidence depending on this cooling. Thus elevation and depression of strata must have occurred with greater rapidity m the earlier than ln the later stages of our planet's history. Summary. -we have now shown that the decreasing energy of the sun and of the earth must have led to diminishing rapidity in the action Of three of the main factors of geologic change, viz. On the denudation, reproduction, and the elevation and depression of strata. In spite of all fluctuation resulting from more than usually rapid conversions of potential into kinetic energy, the loss of energy continually proceeds, and as continually is accompanied by a decrease in the rate of geologic change, just as certainly as the greater periodical activity in the solar radiation once every 112 years ives rise to exactly Opposite results. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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All Editions of The Geological Magazine, or Monthly Journal of Geology, Vol. 4: With Which Is Incorporated the Geologist, Nos. 151-162; January-December, 1877 (Classic Reprint)