112-pp11 - UNIVERSITY OF SOUTH ALABAMA GY 112: Earth...

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1 Quiz 3 10:10-10:15AM GY 112: Earth History Fossils 3: Paleogeography UNIVERSITY OF SOUTH ALABAMA Last time we covered… 1) The oceans today (Morphological, Hydrodynamic, Trophic) 2) Estimating water depths (Foraminifera) 3) Adaptations to environment (echinoderms, corals) Fossils & Environment The Oceans today Morphological (Bathymetrical) Zonation Fossils & Environment The Oceans today Trophic (Beastie Habitat) Zonation Fossils & Environment Interpreting paleowater depth Sediment samples would only contain epipelagic and sublittoral beasties Sediment samples would contain epipelagic, mesopelagic and bathyal benthic beasties
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2 Fossils & Environment Introducing… the foraminifera Pelagic Benthic 0.25 mm Fossils Adaptations to Environment Sand dollar Sea urchin Today’s Agenda 1) What is paleogeography? 2) How it works (Late Cambrian fantasy example) 3) Paleoclimate resolution Lecture 11: Fossils & Paleogeography (Web Lecture 11) Fossils & Paleogeography Wegener’s reconstruction of Pangaea was partially based on the distribution of fossils.
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112-pp11 - UNIVERSITY OF SOUTH ALABAMA GY 112: Earth...

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