The Story of the Earth in Past Ages

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McClure, Phillips, 1904 - 190 pagina's
 

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Pagina 58 - ... be a good general representation of most, if not all large tracts of mountainous countries, together with the parts adjacent, throughout the whole world. From this formation of the earth, it will follow that we ought to meet with the same kinds of earths, stones, and minerals, appearing at the surface, in long narrow slips, and lying parallel to the greatest rise of any long ridges of mountains; and so in fact we find them.
Pagina 59 - ... may be their different denominations. Not that the strata are alike in all the different regions of the earth, either with respect to thickness or quality, for experience shows the contrary ; but that the order of the strata in each particular part, how much soever they may differ as to quality, yet follow each other in a regular succession, both as to thickness and quality— insomuch that by knowing the incumbent stratum, together with the arrangement thereof in any particular part of the earth,...
Pagina 82 - Andesite lavas, of Honister Crag and Seathwaite, mark the beginning of volcanic action which continued through the accumulation of the Borrowdale series of rocks.
Pagina 71 - ... reptiles have lost the greater part of the arch of bones which in fishes intervenes between the brain case and the lower jaw, if their structures are inherited from one group to the other.
Pagina 12 - It has also been calculated that a heat sufficient to melt granite might occur at a depth of 20 or 30 miles.

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