Turonian
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The Turonian is, in the ICS' geologic timescale, the second age in the Late Cretaceous Epoch, or a stage in the Upper Cretaceous Series. It spans the time between 93.9 ± 0.2 Ma and 89.8 ± 0.3 Ma. The
Lithographic limestone from the Gerofit Formation (Turonian) north of Makhtesh Ramon, southern Israel; a variety of Jerusalem stone (meleke).
Greenhorn Limestone
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The Greenhorn Limestone or Greenhorn Formation is a geologic formation in the Great Plains Region of the United States, dating to the Cenomanian and Turonian ages of the Late Cretaceous period. The fo
The Jetmore Chalk Member of the Greenhorn Formation in Kansas.
The iconic stone posts of Kansas were cut from a layer in the Greenhorn.
Paleoart depicting two large marine predators of the late Cretaceous; Elasmosauridae and Xiphactinus.