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A piece of petrified wood in situ, Highlands Ranch, Colorado. The Denver Basin contains relatively few late Paleocene-age strata–with many dating to older periods–but laser ablation sampling in 2015 compared with a core sample from Castle Pines 2.5 kilometres (1.6 mi) away has been interpreted as indicating this more recent date.
Petrified wood was discovered in the region in the early 1930s, which led to creation of the state park as a national historic preserve. [2] Over 50 species are found petrified at the site, including ginkgo, sweetgum, redwood, Douglas-fir, walnut, spruce, elm, maple, horse chestnut, cottonwood, magnolia, madrone, sassafras, yew, and witch hazel.
At the time of its NRHP nomination, Lemmon Petrified Wood Park claimed to be the largest petrified wood park in the world. [2] It takes up one 3-acre (1.2 ha) block in the center of downtown Lemmon, South Dakota, and is bounded by Main Avenue (U.S. 12) to the west, 5th Street East to the north, 1st Avenue East to the east, and 6th Avenue East to the south.
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Table constructed from petrified wood. Petrified wood has limited use in jewelry, but is mostly used for decorative pieces such as book ends, table tops, clock faces, or other ornamental objects. [16] A number of Ancestral Puebloan structures near Petrified Forest National Park were constructed of petrified wood, including the Agate House ...
The Petrified Forest is a petrified forest located in Sonoma County, California, in the United States. It is the only petrified forest in California from the Pliocene. [3] [2] It also has the largest petrified trees in the world. [4] The forest is now open to the public to visit after restoration from damage caused by the Napa and Sonoma fires ...
Petrified Forest National Park is a national park of the United States in Navajo and Apache counties in northeastern Arizona. Named for its large deposits of petrified wood, the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands.