Turonian Stage

the second lowest stage of the upper division of the Cretaceous system. It was first identified in central France in 1842 by the French geologist A. d’ Orbigny. At its type location near the city of Tours, it is composed of sandstones, marls, and chalk, which contain abundant remnants of bivalve and cephalopod mollusks, sea urchins, foraminifers, and other organisms. The Turanian stage is widespread in the USSR; it is represented by various types of rock that formed under marine and continental conditions.

单词	turonian stage
释义	Turonian Stage Turonian Stage the second lowest stage of the upper division of the Cretaceous system. It was first identified in central France in 1842 by the French geologist A. d’ Orbigny. At its type location near the city of Tours, it is composed of sandstones, marls, and chalk, which contain abundant remnants of bivalve and cephalopod mollusks, sea urchins, foraminifers, and other organisms. The Turanian stage is widespread in the USSR; it is represented by various types of rock that formed under marine and continental conditions.
随便看	seerep seeress seeress of kell seerfish seerhand seer*hps seeri see right seer-m see round seerp seers seer-sem seership seer's sage seer stone seerstone seer sucker seersucker seersucker suit seeru seerwood sees seesa sees about