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Use the plot of δ18 oxygen isotope values (Figure 3, Panel B) to describe the shifts in sea level and global temperature that occurred during the extinction events.

Use the plot of δ18 oxygen isotope values (Figure 3, Panel B) to describe the shifts in sea level and global temperature that occurred during the extinction events.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Use the plot of δ18 oxygen isotope values (Figure 3, Panel B) to describe the shifts in sea level and global temperature that occurred during the extinction events. In general, the more positive the δ18O, the cooler the climate and the lower the sea level.
Silurian Rhudding nStage Ordovician Period Hirnantian Stage Rawtheya n Stage A. ascensus N. persculptus N. extraordinarius P. pacificus End-Ordovician Mass Extinction A Conodonts no data V Grapolites Trilobites Brenchley et al., 2001 Brachiopods B -2 -1 $180water 0 1 Last glacial max 2 Finnegan et al, 2011 C 2 0 $13C carb 2 4 Blackstone River Monitor range Copenhagen Canyon LaPorte et al, 2009 Kump et al, 1999 Figure 2. Time-calibrated plot of major species diversity (Panel A) in the Ordovician against values of Oxygen-18 isotopes (Panel B) and Carbon-13 isotopes (Panel C) (from Hammarlund et al. 2012). A rise in 0-18 and C-13 isotopes (indicated by a shift to the right of the panels, respectively) indicates a warming climate.
Transcribed Image Text:Silurian Rhudding nStage Ordovician Period Hirnantian Stage Rawtheya n Stage A. ascensus N. persculptus N. extraordinarius P. pacificus End-Ordovician Mass Extinction A Conodonts no data V Grapolites Trilobites Brenchley et al., 2001 Brachiopods B -2 -1 $180water 0 1 Last glacial max 2 Finnegan et al, 2011 C 2 0 $13C carb 2 4 Blackstone River Monitor range Copenhagen Canyon LaPorte et al, 2009 Kump et al, 1999 Figure 2. Time-calibrated plot of major species diversity (Panel A) in the Ordovician against values of Oxygen-18 isotopes (Panel B) and Carbon-13 isotopes (Panel C) (from Hammarlund et al. 2012). A rise in 0-18 and C-13 isotopes (indicated by a shift to the right of the panels, respectively) indicates a warming climate.
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