Petrified wood log from arapahoe county Colorado agatized opalized 50 million years old 4 1/2 ft 2 ft by 12 inches 800 lbs guesstimate. The item “PETRIFIED WOOD LOG” is in sale since Thursday, October 4, 2018. This item is in the category “Collectibles\Rocks, Fossils & Minerals\Fossils\Vegetation\Petrified Wood”. The seller is “jaso641″ and is located in Denver, Colorado. This item can’t be shipped, the buyer must pick up the item.