Top Tweets for #AMMP11
#AshfallFossilBeds is only a few hours "out of the way" of larger cities in eastern #Nebraska. Do yourself a favor and make the two or three hour drive to the big Rhino Barn on a hill near Royal. You'll never forget it. (End Thread) #AMMP11 @AMMPaleo
Although there is little skeletal evidence of carnivores at #AshfallFossilBeds, they left evidence of their presence in other ways. Next to these horse skeletons (a mare and foal) is a baby #Teleoceras with its spine torn out by scavengers. (13/ )
#AMMP11
The #Teleoceras calves were nursing-age when the ash fell. They kept close to their mothers. Next to the head of skeleton #3 is a calf skeleton: a baby and mother entombed in the ash together for almost 12 million years.
#AshfallFossilBeds #AMMP11
Babies and adults collapsed into the slurry of mud and ash in the water hole that had been vibrant with life mere days before. Some pregnant females died without giving birth. This fetal #Teleoceras is still in its mothers birth canal. (11/ )
#AshfallFossilBeds #ammp11
Breathing volcanic ash destroyed #Teleoceras lungs, and those failing organs caused diseased bone to bloom like mold across their skeletons (note the lumps on this jaw). #MariesDisease (hypertrophic pulmonary osteoarthropathy) sealed their fate. (10/ )
#AshfallFossilBeds #AMMP11
The sandy base of the deposit is full of rhino footprints, showing that the #Teleoceras gathered in the watering hole as they began to starve and succumb to the ash. Their fate was the worst of all the ash's victims...
(9/ ) #AshfallFossilBeds #AMMP11
Smaller grazers like 3-toed horses and sabre-toothed deer succumbed next. Surviving #Teleoceras occasionally stepped on ash-covered carcasses, crushing parts. Scavenging predators began tearing apart the dead, scattering bones across the site.
#AshfallFossilBeds #AMMP11
And for my #5000thTweet: the herd of #Teleoceras struggled to find food in the ash-covered landscape for several days. Adults pushed their faces through ash looking for grass to eat. Babies struggled to keep their faces
above the deadly powder. (7/ )
#AshfallFossilBeds #AMMP11
Small animals died first. Lizards, turtles, snakes, and birds litter the bottom of the ash deposit. They died of asphyxiation from ash inhalation, but worse was in store for the horses, camels, and the #Teleoceras herd. (5/ )
#AshfallFossilBeds #AMMP11
The #BruneauJarbidgeCaldera eruption in #Idaho that released this destruction was 200x larger in volume than the 1980 #MountStHelens eruption. #AshfallFossilBeds was 1,000 miles east of the eruption and still received almost half a meter of ash.
#AMMP11 @AMMPaleo
The paleontologists in attendance at #AMMP11 were treated to a private tour of one of the finest fossil localities on Earth. #AshfallFossilBeds is located a few miles from Royal, #Nebraska. 11.9 Ma, a #supervolcano exploded in Idaho (1/ )
#Neohipparion
The legend! Dr. Mike #Voorhies is the person who discovered #AshfallFossilBeds. Here he points across the valley to the ash exposure that first brought him and his wife to the area looking for #Cenozoic stratigraphy. The site's original name: #PoisonIvyQuarry.
#AMMP11
We made it to #AshfallFossilBeds! This is the skeleton of an 11.9 MILLION year old crane. It died within days of the initial ashfall. The second picture shows tracheal rings preserved in the neck, nestled with the cervical vertebrae! #AMMP11
Almost all of #AMMP11 is on the bus and headed for #AshfallFossilBeds today!!! Ashfall is a #Nebraska site famous for 3D preservation of #Teleoceras rhinos and other animals that died in ash fallout from an Idaho #supervolcano eruption 11.9 million yrs ago!
@AMMPaleo
Last talk of #AMMP11!!! High School students from Des Moines, IA, get to curate fossils from Natural Trap Cave with Cory Redman and @SaberCatWoman for credit! This is a great program offered through @DesMoinesUniv. Well done all!
#FossilFriday @AMMPaleo
A whale of a task awaits volunteers of @ucmpberkeley's Cristina Robins! Over 20 whale skulls were collected from the Calaveras Dam project, and thousands of other Miocene marine specimens. And do I spy @AshPoust?
#AMMP11 #fossilfriday @AMMPaleo
Volunteers do a LOT of work @NMNH. Matthew Miller gives an account of the history of the volunteer program at one of America's premier museums. Did you know the Smithsonian has over 40 MILLION specimens?!
#AMMP11 #FossilFriday @AMMPaleo
My turn! @goCMNH preparator @paleeoguy presents an overview of fossil preparation techniques used on fossil fish from the #Cleveland Shale! Fossil sharks like #Cladoselache preserve 'soft' tissues and we're starting to find it in #Dunkleosteus!
#AMMP11 #FossilFriday @AMMPaleo
Chief Preparator Aaron Giterman of @naturalsciences is a tool care master! Your prep job is only as good as your tools. Keep your needles pointy, your blades sharp, and your stones whet! ;)
#AMMP11 #fossilfriday @AMMPaleo
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