112-pp10 - UNIVERSITY OF SOUTH ALABAMA Last time GY 112:...

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1 GY 112: Earth History Fossils 2: Paleoenvironment UNIVERSITY OF SOUTH ALABAMA Last time 1) Chronostratigraphy versus biostratigraphy 2) Paleontological correlations 3) Index fossils Biostratigraphy Lower Pliocene Upper Miocene Mid-Miocene Biostratigraphy Note pinch outs and facies changes How to use fossils to tell time This is called an assemblage zone and it is how most biostratigraphy is done Species A Species B Species C The age of the interval shown in red can be relatively well constrained. It is the only time all 3 beasties were alive at the same time – the Middle Ordovician Today’s Agenda 1) The oceans today 2) Estimating water depths 3) Adaptations to environment
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(Web Lecture 10) The Oceans today Morphological (Bathymetrical) Zonation The Oceans today Hydrodynamic Zonation The Oceans today Trophic (Beastie Habitat) Zonation Interpreting paleowater depth
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This note was uploaded on 02/04/2012 for the course GLY 112 taught by Professor Haywick during the Spring '12 term at S. Alabama.

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112-pp10 - UNIVERSITY OF SOUTH ALABAMA Last time GY 112:...

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