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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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The Painted Desert portion of Petrified Forest National Park includes broad vistas and richly varied mineral colors.

From Los Angeles Times • May 12, 2026

"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

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

The result is petrified wood, the finest examples of which can be found in our Petrified Forest National Park in Arizona.

From Let's Collect Rocks and Shells by Shell Union Oil Corporation

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