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The Ojo Alamo Formation is a geologic formation in New Mexico spanning the Mesozoic/Cenozoic boundary. Non-avian dinosaur fossils have controversially been identified in beds of this formation dating from after the Cretaceous–Paleogene extinction event, but these have been explained as either misidentification of the beds in question or as reworked fossils, fossils eroded from older beds and ...
The location of the state of New Mexico. Paleontology in New Mexico refers to paleontological research occurring within or conducted by people from the U.S. state of New Mexico. The fossil record of New Mexico is exceptionally complete and spans almost the entire stratigraphic column. [1] More than 3,300 different kinds of fossil organisms have ...
Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909). Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913). Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus.
The fossils were given to the New Mexico Museum of Natural History and Science in 1980, and it was designated the state fossil in 1981 under former-Gov. Bill Richardson.
Areas of Cenozoic North America that were covered by seawater tended to be areas near the modern coasts. [135] The Cannonball Sea near Minot, North Dakota was the last of the North American interior. [136] Cenozoic marine invertebrates are best known from deposits near the coasts and tend to resemble modern forms.
The geologic history of the state began with its assembly during the Yavapai and Mazatzal orogenies 1750 to 1650 million years ago (Mya). This was followed by 200 million years of tectonic quiescence that ended in the Picuris orogeny. This event transformed the New Mexico crust into mature continental crust.
Hartley Mammoth Site. / 36.24583°N 106.53333°W / 36.24583; -106.53333. The Hartley Mammoth Site is a pre-Clovis archaeological and paleontological site in New Mexico. Preserving the butchered remains of two Columbian mammoths, small mammals and fish, the site is notable due to its age (~37,500 BP), which is significantly older than ...
San Pedro High School discovered a deposit of marine fossils on campus in 2022 and began collaborating with local paleontologists to uncover secrets from the Palos Verdes Peninsula's geological past.