Giant Mammoth Skull Discovered in Oklahoma

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Discussion Overview

The discussion centers around the recent discovery of a giant mammoth skull in Oklahoma, specifically belonging to a Columbian mammoth. Participants explore aspects of the mammoth's characteristics, historical context, and the potential for DNA recovery from such fossils.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes that the skull belonged to a Columbian mammoth, which was prevalent in Oklahoma during the Pleistocene epoch.
  • Another participant expresses surprise at the size difference, stating that Columbian mammoths can be three times the size of woolly mammoths.
  • A question is raised about the survival of DNA over such long periods, with a participant mentioning that some preserved mammoths have intact DNA.
  • One participant suggests that the preservation of DNA depends on the conditions following death and during burial, referencing advancements in DNA recovery techniques that could potentially allow for cloning a mammoth.

Areas of Agreement / Disagreement

Participants express curiosity and share information, but there is no consensus on the specifics of DNA preservation or the feasibility of cloning mammoths.

Contextual Notes

The discussion includes assumptions about the conditions necessary for DNA survival and the implications of current scientific advancements, which remain unresolved.

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Giant Mammoth Skull Discovered by Bulldozer Operator
https://www.yahoo.com/news/giant-mammoth-skull-discovered-bulldozer-operator-134212502.html

The skull belonged to a Columbian mammoth.

These giants were plentiful across the plains of Oklahoma during the Pleistocene epoch, which lasted from about 1.8 million to 11,700 years ago, said Leland Bement of the Oklahoma Archaeological Survey.
Apparently there are a few findings of mammoth fossils every year.

Like other Columbian mammoths (Mammuthus columbi), this one was not the cold-adapted type and preferred more temperate stomping grounds in southern and central North America. The woolly mammoth (Mammuthus primigenius), the kind portrayed in the "Ice Age" movies, would have called the chilly tundra home.

The Columbian variety was also much larger than the woollies, with Columbian males reaching up to twice the size of woolly males, according to Hendrik Poinar, an evolutionary geneticist at McMaster University in Hamilton, Canada. Columbian mammoths also arrived in North America about 1.5 million years ago, whereas woolly mammoths stepped onto the continent some 400,000 years ago, said Poinar, who spoke with Live Science in 2011.

https://en.wikipedia.org/wiki/Columbian_mammoth

http://www.ucmp.berkeley.edu/mammal/mammoth/about_mammoths.html

http://library.sandiegozoo.org/factsheets/_extinct/mammoth/mammoth.htm

http://earthwatch.org/expeditions/mammoth-graveyard-in-south-dakota
 
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Does DNA survive that long? I've read that some other preserved mammoths still have intact DNA.
 

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