An epoch still more remote presented itself, when even the most ancient of these rocks, instead of standing upright in vertical beds, lay in horizontal planes at the bottom of the sea, and was not yet disturbed by that immeasurable force which has burst... A Manual of Elementary Geology: Or, The Ancient Changes of the Earth and Its ... - Seite 34 von Sir Charles Lyell - 1851 - 512 Seiten Vollansicht -
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