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Showing results for tags 'neocomian'.
Although the Cretaceous period lasted from 145 to 66 million years ago, geologic units from the Berriasian to Albian stages and several terrestrial units of Albian to Maastricthian age are not chalky in terms of geologic composition. I remember that the Cretaceous at one time was divided into the Neocomian, Gallic, and Senonian epochs, so one day International Commission on Stratigraphy should divide the Cretaceous into the Neocomian, Gallic, and Senonian periods, since the Cretaceous lasted longer than either the Triassic or Jurassic. This is similar to the fact that American geologists divid
Friends, this time I seek the help of a connoisseur of fossil corals, they are from the Neocomiano (Lower Cretaceous), from a town near Tehuacán, in the State of Puebla (Mexico). The scale is in centimeters. I appreciate your help because although I have dedicated myself to reading the scientific literature of the area, I am an amateur, and many of them are very similar. Of those who have an idea, I put their name for them to say. regards