EAS105 Lecture Notes - Lecture 10: Ungulate, Beringia, Axial Tilt
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Chapter 23, p. 612-653 the changing earth 7e: cenozoic geology and paleogeography. Originally, tertiary and quaternary as the periods/systems comprising the: nomenclature (very complex; a confusing history) (fig 17. 1) Lyell"s eocene subsequently split into three, with the oligocene above and the paleocene below the eocene] the standard [e. g. international commission of stratigraphy"s a geologic. Time scale 2004, gradstein et al. ] eventually became paleogene. Period/system (paleocene, eocene, and oligocene epochs/series) followed by neogene period/system (miocene, pliocene, pleistocene, and holocene. Australia; these converge on and collide with eurasia via a subduction zone to produce a major e/w cenozoic orogenic belt: alps. Produced by subduction of african plate under eurasian plate, involving several microplates. Orogenesis primarily eocene-oligocene, collisions producing the alps and. Mesozoic rifting had opened the tethys sea (proto-mediterranean), cenozoic saw: change to subduction, with mediterranean now shrinking: himalayas same sense of plate motion as for alps, but involving the following: indian-