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(Click to zoom) See legend below This is the legend for the North American geological map above. Geologic map of North America. The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a ...
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.
The aquatic toothed bird Hesperornis is the only known Cretaceous bird whose remains are found with any frequency in North America. [82] Near the end of the Cretaceous, the Western Interior Seaway began to withdraw. This regression would end up resulting in both halves of North America reuniting.
Map and aerial photos. North America map; Physical map; Map of the Great Lakes Archived July 27, 2021, at the Wayback Machine; North American map; North America Political map; Oldest Human Remains in North America Found; T. H. Clark and C. W. Stearn, The Geological Evolution of North America (1968) W. P. Cumming et al., The Discovery of North ...
Laurentia basement rocks. Laurentia or the North American Craton is a large continental craton that forms the ancient geological core of North America.Many times in its past, Laurentia has been a separate continent, as it is now in the form of North America, although originally it also included the cratonic areas of Greenland and the Hebridean terrane in northwest Scotland.
His map covers the entire world in a double hemisphere projection. This map follows shortly after the explorations of Captain Cook in the Arctic and Pacific Northwest, so the general outline of North America is known. However, when this map was made, few inland expeditions had extended westward beyond the Mississippi River. [55]
Waldseemüller's 1507 map of America re-drawn on an equirectangular projection and on the same uniform scale as that of Schöner of 1515, so as to be readily comparable. [6] Schöner's 1515 map of America re-drawn on an equirectangular projection and on the same uniform scale as that of Waldseemüller of 1507, so as to be readily comparable. [6]
The map encompasses the eastern coast of North America, the entire Central and South America and parts of the western coasts of Europe and Africa. Americae Sive Quartae Orbis Partis Nova Et Exactissima Descriptio is the earliest scale wall map of the New World and the first to use the name "California". [1]