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This was part of a unit study about the ice age. The girls are making a fossil sandwich by laying items on bread, putting another layer of bread on top, and then using a rolling pin to flatten it.
This was a follow-up activity after reading Sunset of the Sabertooth (one of the books in the Magic Treehouse series).
Estava fotografando o centro de São Paulo quando resolvi obter uma visão mais ampla subindo no terraço de um ponto de ônibus que fica em frente a Igreja do Rosásio. Me deparei com esse "Fóssil urbano" estatelado em fase final de decomposição e achei interessantíssimo pois ele estava intacto como nas grandes descobertas paleontológicas.
Fossil Accessories store at the Universal CityWalk, founded in 1984 Fossil Accessories is an international brand of leather goods and apparel with locations around the World and also sold throughout major retailers such as Macy's and Belk.
Teleoceras major Hatcher, 1894 - baby barrel-bodied rhinoceros skull from the Miocene of Nebraska, USA.
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From on-site info.:
BABY BARREL-BODIED RHINO FROM THE ASH BED
This calf, only a few months old when it died, is one of 48 immature rhinos collected (along with their mothers) from the 1978-1979 excavations at Ashfall.
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The most abundant large animal discovered in the volcanic ash bed is an extinct rhinoceros with a body shape similar to today's hippopotamus. Like hippos, barrel-bodied rhinos may have wallowed in the waterholes that dotted the ancient savannas of the Great Plains. Unlike modern-day rhinos, which are primarily solitary creatures, the Nebraska rhino probably was a social species that formed herds. By studying the age and sex of more than 100 skeletons from Ashfall, paleontologists concluded that Teleoceras males (with large tusks) may have defended "harems" of females (with small tusks) and their calves. Young adult male skeletons are remarkably rare in the ash bed, suggesting that "bachelor males" may have been excluded from the breeding herds and forced to live elsewhere.
Adult males were only about 3.5 feet tall at the shoulder but were over 10 feet long and 10 feet in circumference around the belly. Females measured 20% smaller.
[Teleoceras - ] the name means "perfect horn" and refers to the fact that both mle and female skulls have rough bumps near the end of their nasal bones, proving that they had a true horn in life.
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Classification: Animalia, Chordata, Vertebrata, Mammalia, Perissodactyla, Rhinocerotidae
Stratigraphy: Cap Rock Member, Ash Hollow Formation, Ogallala Group, Miocene, 11.83 Ma
Locality: Hubbard Rhino Barn, Ashfall Fossil Beds State Historical Park, northeastern Nebraska, USA
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Info. at:
en.wikipedia.org/wiki/Teleoceras
and
Fossil, ammonite, Schloenbachia sharpei Spath, found in Binsted, Hampshire, from Upper Cretaceous
G1983.5
DPABSS17
Fossils found during Bobby Boessenecker's field research. A) A nearly complete skull and lower jaw (from different individuals) of a bizarre new genus of phocoenid porpoise (also known from the San Diego Formation). B) A medium sized tympanic bulla of a minke whale-like mysticete (Balaenopteridae). C) A vertebra of a large bony fish, similar to a flounder. D) A fragment of calcified cartilage, with a magnified view showing the prismatic cartilage structure. E) Teeth of the great white shark, Carcharodon carcharias. F) The humerus (upper arm bone) of the extinct flightless penguin-like auk, Mancalla diegensis.
Fossil's found myself, not bought from any shops or museums just found on beaches and given care. On the top right a what looks like a small dinosaur claw though not certain.
Fossil Worker Ant (Formacidae fam., prob. Archiponera wheeleri) preserved in the Upper Eocene Florissant Formation about 34 million years ago. Specimen is about 12 mm. Florissant, Teller Co., Colo.
This is "petrified wood", a terrible term for what is technically called permineralization. Biogenic materials such as wood or bone have a fair amount of small-scale porosity. After burial, the porosity of wood or bone can get partially or completely filled up with minerals as groundwater or diagenetic fluids percolate through. The end result is a harder, denser material that retains the original three-dimensionality (or close to it). The most common permineralization mineral is quartz (SiO2). Sometimes, fossil wood and bone have been permineralized with radioactive minerals such as black uraninite (UO2) or yellowish carnotite (K2(UO2)2(VO4)2·3H2O). Some fossil bones permineralized with cinnabar have been reported (García-Alix et al., 2013, Lethaia 46: 1-6).
Permineralized wood can have microscopic anatomic details preserved, but some fossil wood has no internal structure remaining (in such cases, the fossil preservation style is "replacement" - if quartzose, it's been silicified).
Stratigraphy & locality: unrecorded
Fossil Beetle (Buprestidae fam.) in the Green River Formation. This beetle, now extinct, is similar to modern jewel beetles. This specimen lived during Eocene time, about 50 million years ago. These fossils are unusually well preserved in laminated limestone precipitated from calcium-rich waters. The limestone is interbedded with many thin layers of volcanic ash and mudstone. Fossil Butte National Monument. Near Kemmerer, Lincoln Co., Wyo.
Fossil sandstone of church wall at Frisby on the Wreake in Leicestershire. Middle Lias sandstone with lamp-shells - possibly Terebratulids
When Fossil, a part-bone part-stone member of the Earth Tribe is converted to Final Evolution's Diamond Tribe, he becomes a massive, toothy creature with a prehensile tongue. There are really no other Gormiti shaped like this guy, which just adds to the awesomeness!
Tetrapods — This tetrapod fossil (some of the first four-legged vertebrates to walk the land) bed was found by Alan Grosse on March 2, 2014. The site is over 3,000 horizontal feet over 240 vertical feet from the only known entrance. There are three wet pits that have to be rappelled.
This is Alan's description of the find: "While exploring the cave, a fellow caver Jenny exclaimed she had never seen a sharks tooth in a cave before, so we both started looking. Lots of the typical marine fossils were found until we rounded the corner and I spotted the jaw sticking out of the wall. I captured a few quick photos and later that night posted them to “The Fossil Forum” in the identification forum. I was rather quickly referred to the Curator of Vertebrate Paleontology at Cambridge, UK, who very excitedly identified it as an early tetrapod fossil. In an effort to acquire some of the material for further study and identification she referred me to her stateside counterpart who is Curator of Vertebrate Paleontology at Harvard. After acquiring the landowners permission a sample was sent and they are currently analyzing the material."
Thanks to Alan Cressler (acressler on Flickr) for sharing this photo with the USGS Science in Action Flickr Group! Share your earth science photo for a chance to be featured in upcoming USGS products and social media: www.flickr.com/groups/usgsscience
My parents purchased this for me when I was a kid, living in Germany.
It came from a coal mine near Aachen (possibly the Anna Mine).
Most fronds are nearly obliterated, but there is leaf that is quite a bit larger than the rest.
Fossil Seeds (unknown species) preserved in the Green River Formation. Detailed identification of seeds is often impossible because the fragile parts of the rest of the plant necessary to make an ID do not survive burial and fossilization. The Green River Formation is a laminated limestone precipitated from calcium-rich waters. The limestone is interbedded with many thin layers of volcanic ash and mudstone. Fossil Butte National Monument. Near Kemmerer, Lincoln Co., Wyo.
The new fossil dragonfly species Ypshna brownleei, from the forty-nine-million-year-old fossil beds at Republic, Washington, named for the amateur collector who found it, Don Brownlee. (Copyright © Entomological Society of Canada 2019)
These are a few of the fossils in the rock we put in our front flowerbed, until now, just a rock that was cleared from the field. Best viewed large.
Guadalupe Mountains National Park, Texas, fossil on the Permian Reef Trail. (Photo courtesy of Heather Walborn)
I added my wedding ring for giving you an idea of the scale.
After a little research, and according to the mineral we found them in (black marl), these are 200 millions years old.
My goodness.
Oct 25th 2009
I found this fossil on the shores of Kielder reservoir many years ago. It's called Stigmaria, which is a form genus for tree roots of Carboniferous coal forest Lycopod trees such as Sigillaria and Lepidodendron. Generally they are quite common in the Carboniferous sandstones, coals and mudstones of Northumberland. However, this one shows in quite beautiful detail, the vascular system. I've never seen one like it since and it was a chance find.