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Petrified Forest

British  

noun

  1. a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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"Since starting fieldwork at Petrified Forest in 2014, we have collected over 3,000 fossils from the Sonselasuchus bonebed, and it doesn't seem to show any signs of petering out," Professor Sidor states.

From Science Daily • Apr. 23, 2026

The site of this discovery is a fossil bed in a desert landscape of ancient rock in the Petrified Forest National Park.

From BBC • Jul. 7, 2025

Our three-hour drive through New Mexico was simultaneously brief and exhausting, so by the time we got to Petrified Forest National Park we were feeling a bit restless.

From Los Angeles Times • Sep. 28, 2023

Driving and living in a recreational vehicle, they visited White Sands and Petrified Forest National Parks in New Mexico and Arizona before heading to California, Oregon and Washington.

From Seattle Times • Aug. 21, 2023

Another striking feature of our National Park is its Petrified Forest, where, scattered over a large area, are solitary columns, which once were trunks of trees, but now are solid shafts of agate.

From John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Canon of the Colorado River; Yellowstone National Park by Stoddard, John L. (John Lawson)