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Cretaceous/Tertiary Boundary type impact cratering event, five seconds
after impact. Impact velocity is 20 km/sec, angle of impact is
45 degrees (impactor coming from the left).
Lower figure: Temperature varies from about 200K (blue) to around 10000K (Red). Upper figure: The 'materials' equivalent, depicting the different materials used in the model (Red=asteroid & mantle; Blue=sea water; Gold=Carbonates; Magenta=crystalline crust; White=atmosphere). From Pierazzo and Melosh (2000). |