Figure 3.3.2.3
 
Figure 3.3.2.3: Temporal correlations among geomagnetic polarity, crustal production rages, LIPs, sea water Strontium (Sr), sea level, climate, black shales, and mass extinctions. (After Coffin, M.F., and Eldholm, O., 1994. Large igneous provinces: crustal structure, dimensions, and external consequences, Reviews of Geophysics, 32, 1-36.)