Packet 4: Tossup 8

Well-preserved fossils from this period’s Jehol group are found in the Yixian formation in northeastern (-5[1])China. During this period, coccolith-packed (-5[1])sediment formed the White Cliffs of Dover from a mineral that gives this (-5[1])period its name. (15[1])During this period’s (-5[1])Maastrichtian (15[1]-5[1])age, the Deccan Traps erupted. This (15[1])period (15[1])is the “K” (-5[2])in the name of a thin band of (15[2])(*) iridium-rich rock called the (-5[1])K-Pg (10[1])boundary, thought to be left by an impactor at Chicxulub (“CHICK-su-loob”). Fauna from this (10[1])chalk-abundant period include Quetzalcoatlus and Tyrannosaurus. (10[1]-5[1])For 10 points, (-5[1])what period which ended with the extinction (-5[1])of the non-avian (10[1])dinosaurs (-5[2])followed (10[1])the (10[1])Jurassic and (-5[1])Triassic? (10[1])■END■ (10[12]0[2])

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