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South-central North America had a humid, monsoonal climate along its coastal plain, but conditions were drier to the west and at higher altitudes. [81] Svalbard was temperate, having a mean temperature of 19.2 ± 2.49 °C during its warmest month and 1.7 ± 3.24 °ะก during its coldest. [82]
Paleocene epoch geology of North America, during the Paleogene Period of the Cenozoic Era ... Paleocene Series of North America (1 C, 15 P) T. Tiffanian (8 P)
The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
Paleogene life of North America (4 C) M. Paleogene Mexico (1 C, 33 P) N. Paleogene Nicaragua (1 P) O. Oligocene North America (8 C, 10 P) P. Paleocene North America ...
Map of the Hell Creek and Lance Formations in western North America The Hell Creek Formation in Montana overlies the Fox Hills Formation and underlies the Fort Union Formation , and the boundary with the latter occurs near the Cretaceous–Paleogene boundary (K–Pg), which defines the end of the Cretaceous period and has been dated to 66 ± 0. ...
Soon, Pangaea began to split up and North America began drifting north and westward. During the latter Jurassic, the floodplains of the western states were home to dinosaurs like Allosaurus, Apatosaurus, and Stegosaurus. During the Cretaceous, the Gulf of Mexico expanded until it split North America in half. Plesiosaurs and mosasaurs swam in ...
At the Paleogene-Neogene boundary, spreading ceased between the Pacific and Farallon plates and the Farallon plate split again forming the present date Nazca and Cocos plates. [37] [41] The Kula plate lay between Pacific plate and North America. To the north and northwest it was being subducted beneath the Aleutian trench.
Paleogene United States (31 C, 25 P) Pages in category "Paleogene stratigraphic units of North America" The following 19 pages are in this category, out of 19 total.