Using Fossils Wrksht 2011 - EAS 1700 Worksheet YOUR NAME...

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EAS 1700 Worksheet Y OUR N AME ……………………………………… U SING F OSSILS Exercise 1: Clams and Brachs (2 @ 5 points = 10 points) Examine the specimens in the containers labelled “mixed clams” and “mixed brachiopods” until you feel confident you can distinguish clams from brachiopods based on the symmetry of the shell. Then pick out and identify by letter and/or number two pieces of Paleozoic rock. 1. 2. Exercise 2: Ammonoids (2 @ 5 points = 10 points) Examine the representative specimens of goniatites, ceratites, and ammonites until you feel confident youn can distinguish them. Then age-date the indicated specimens. 1. 2. Exercise 3: Rudists (2 @ 5 points = 10 points) 1. Why would rudist shells make good reservoir rock? 2. Many of the world’s better petroleum reservoirs are capped of and sealed by shale laid down during the Turonian transgression. Why would Cenomanian rudist reefs be particularly good petroleum prospects? 1
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Using Fossils Wrksht 2011 - EAS 1700 Worksheet YOUR NAME...

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