Central alberta dating sites

Legend: Mesoamerica = Mexico and Central America Pre-Columbian = Before Christopher Columbus Amerindian = Indigenous Indians of North and South America Paleoindian/Paleoamerican = The original Black settlers of the Americas The discovery of a bird-like dinosaur in South America has paleontologists rethinking when, where and how one group of raptors evolved.

The rooster-sized dinosaur is called Buitreraptor (bwee-tree-rap-tor) gonzalezorum.

Advanced radiometric dating technology allowed scientists to determine the mastodon bones belong to the Late Pleistocene period, or 130,000 years old, with a margin of error of plus or minus 9,400 years."The bones and several teeth show clear signs of having been deliberately broken by humans with manual dexterity and experiential knowledge," Holen said in a press release.

Experts agreed that the earliest records of human ancestors in North America is about 15,000 years old, but the discovery of the Cerutti site "shows that human ancestors were in the New World ten times that length of time," said paleontologist Lawrence Vescera.

The 11 scientists involved in the study told CNN it's too early to tell the impact of the new findings.

For now they want the general audience to see it and understand it, and for their peers to study it -- and even challenge it. is long before the ancient African is known to have occupied EAST ASIA.

Here's why that's important: About 200 million years ago, Earth had just one giant land mass called Pangea.

These men hunted such large grazing mammals as mammoth, mastodon, horse, and camel.

Buitreraptor is related to Velociraptor, the presumed cunning killer made famous by Hollywood.

Both belong to a class of birdlike dinosaurs that ran swiftly on two legs and are called dromaeosaurs.

The discovery changes the understanding of when humans reached North America.

The study, to be published this week in the science journal Nature, said the numerous limb bones fragments of a young male mastodon found at the site show spiral fractures, indicating they were broken while fresh.

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