Testing Shows Sitka Tree Buried 13,180 Years Ago

The U.S. Forest Service now has an approximate date of when an ancient, charcoal tree found recently in a pile of ash near Sitka was buried in pumice ash.

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by Associated Press

SITKA- The U.S. Forest Service now has an approximate date of when an ancient, charcoal tree found recently in a pile of ash near Sitka was buried in pumice ash.

Testing shows the tree was buried under hot volcanic ash and debris that rained down 13,180 years ago.
Blake LaPierriere recently found the tree on Kruzof Island, west of Sitka.
U.S. Forest Service geologist Jim Baichtal sent samples to a lab for date testing. Testing also confirmed the tree was a Sitka spruce, which groups in groups. Baichtal says there was a forest growing there was that rapidly buried by ash.
The date generally matches other items that have been found nearby, and also provides a date for the explosion from Crater Ridge, a cone near Mount Edgecumbe.

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