Earth Time: Exploring the Deep Past from Victorian England to the Grand Canyon
John Wiley & Sons, Aug 19, 2005 - History - 358 pages
The dramatic history of planet Earth and the rocky road to understanding the past
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ancient animals became biozones bones Britain British Buckland called Cambrian carbon Carboniferous caves century chalk Clay climate coal Colorado conodonts contain Cretaceous Cuvier deposits Devonian diamictites dinosaurs early Earth Ediacarans erosion evidence extinct ﬁeld ﬁnd ﬁrst ﬁsh ﬂood ﬂoor ﬂow formation fossils Geological Society Geological Survey geologists glacial global Grand Canyon graptolites human ice ages identiﬁed isotopes Jurassic known landscapes late Laurentia lava layers limestones living London Lyell mammals mammoth marine million years ago minerals Mountain Murchison Museum North America ocean Old Red Sandstone older oldest Ordovician organic originally outcrop palaeontologist Palaeozoic Permian plants Pleistocene Precambrian preserved professor Proterozoic radiometric dating realised recognised reﬂect region remains reptiles river rock record Rodinia sands scientiﬁc seabed Sedgwick sediment sedimentary shales shallow shells signiﬁcant Silurian Smith species stone strata stratigraphic structures succession surface System Tertiary Triassic trilobites Valley volcanic Wales William