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2008-10-29 – Utah, USA: Ritrovati resti di piante fossili durante scavi (Plant fossils)

 Durante la costruzione di un parco industriale è stato trovato un sito con resti di Conifere risalente a 198 milioni di anni fa. L’area è tra l’altro vicina al Dinosaur Discovery Site dove otto anni fa sono stati scoperte migliaia di impronte di dinosauri. I riceracatori si stanno preparando a raccogliere i reperti che saranno donati a vari musei statali.

vedi pure: 2008-10-26 – Utah, USA: uno dei posti migliori per i dinosauri (world’s best spots for dinosaurs)

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Plant fossils found near construction site in S. Utah

They are the only flora fossils ever found from the early Jurassic Period in the Western U.S.

ST. GEORGE – Stone fossils of plants that once fueled dinosaurs as they roamed around southern Utah some 198 million years ago were unveiled Tuesday at a ceremony.
    They were discovered Friday during construction work on a new industrial park.
    The fossils of the prehistoric flora, mainly conifers, are the only ones ever found from the early Jurassic Period in the Western United States.
    The site sits next to the Dinosaur Discovery Site at Johnson Farm, where eight years ago thousands of dinosaur tracks were discovered; they are now protected as a city-owned museum.
    Now developers will work with scientists to preserve the site.
    “This plant site is extremely important to help us examine further the vegetation recovery of plant life during the mass extinction at the end of the Triassic Period,” said Utah State Paleontologist Jim Kirkland.
    Kirkland said the area where the plant fossils and tracks are found was once on a vast lake’s northern shore that attracted dinosaurs.
    Andrew Milner, paleontologist for St. George, said one of the plant species, Saintgeorgeia jensenii is named after the city and another has been named after him, Milnerites planus.
    Trapped in the sedimentary stone, brown juniperlike leaves can be recognized sprouting from stems. Fossilized pine cones also were found.
“They [developers] have been very cooperative,” Kirkland said. “Because it is on private property, they could have told us to get lost and sold everything on eBay.”
    Don DeBlieux, a paleontologist with Utah Geological Survey, said several scientists descended on the site Sunday and have been splitting open stones since.
    “It’s neat,” DeBlieux said. “We’re finding a lot of things we haven’t seen before.
    Scientific museums around the country are interested in the find and have requested some of the fossils.
    Kirkland said samples will be shipped to the Smithsonian Institution, the Museum of Natural History in New York City, the University of California Berkeley, the University of Utah and Brigham Young University, among others.
    mhavnes@sltrib.com

source: http://www.sltrib.com/news/ci_10842050

see also: 2008-10-26 – Utah, USA: uno dei posti migliori per i dinosauri (world’s best spots for dinosaurs)

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Other links:


Washington Post

Paleontologists sift Utah soil for plant fossils
The Associated Press – 1 ora fa
The spot is in a bare lot near the Virgin River, not far from the city’s Dinosaur Discovery Site at Johnson Farm, where dinosaur tracks were found eight years ago. Andrew Milner, the city’s paleontologist, said the property’s developers have agreed to
Plant fossils found near construction site in S. Utah Salt Lake Tribune
Crews sift St. George soil for plant fossils LocalNews8.com
e altri 52 articoli simili »

ottobre 29, 2008 - Posted by | 2 Jurassic / Giurassico, America Northern, Curiosità, Italiano (riassunto), P - Paleobotanica, P - Ritrovamenti fossili, Paleontology / Paleontologia | , , , , , , , , ,

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