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UNCG Paleontologist Harnesses the Power of Satellites


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Dr. Robert Anemone, head of the Department of Anthropology at The University of North Carolina at Greensboro, breaks new ground as he teams up with a geographer and employs satellites, computers and drones to pinpoint Eocene-era fossils in Wyoming's Great Divide Basin.

Greensboro, NC (PRWEB) June 25, 2014

Paleontologist Robert Anemones wrong turn turned out to be a happy accident that led him to a rich cache of 50 million-year-old fossil mammals. That was back in 2009 as he and his team explored a remote, 10,000-square-kilometer region of badlands in southwestern Wyoming known as the Great Divide Basin.

Every paleontologist has a story like that, he says. Theyre like urban folktales except theyre true. Were out there walking and searching for 8-10 hours a day, and sometimes when we find our best things serendipity plays a large role. And its always been that way, as far as I can tell, in the history of paleontology.

Rather than leave future discoveries to chance, Dr. Anemone, who now heads the Department of Anthropology at The University of North Carolina at Greensboro, is pioneering a high-tech method of fossil hunting. Teaming up with a geographer and remote-sensing specialist, Anemone is harnessing satellite imagery and artificial intelligence to train computers to help find fossils.

Finding a fossil in the Great Divide Basin is akin to finding a needle in a haystack. Paleontologists like Anemone typically spend a month in the field every summer, often with a crew of 8-10 undergraduate and graduate students and colleagues. But with the enormous size of the basin, deciding where to search for fossils has traditionally been a matter of following dusty two-track roads in search of deposits that may or may not contain fossils.

In 2009, after taking a wrong turn down an unfamiliar road that disappeared in some tall sagebrush, Anemones team was lucky to find a fossil-laden sandstone deposit, which they dubbed Tims Confession after Tim Held, the graduate student who found the first fossils there. Within an hour or two of collecting fossils, Anemone knew his team had literally stumbled upon one of the richest fossil mammal sites of this antiquity in the American West.

Late one night in camp shortly after they found Tims Confession, Anemone and his crew found themselves gazing at the spectacular night sky high above the Wyoming wilderness. Among the millions of stars, dozens of constellations, and magnificent horizon-to-horizon display of the Milky Way, they noticed a satellite crossing the sky. And an idea crossed Anemones mind.

Might the satellite imagery of the basin, coupled with state-of-the-art approaches from the geographic sciences, improve their odds of finding other fossil deposits? He contacted Jay Emerson, a geographer at Western Michigan University, and together they developed a computer model to analyze Landsat imagery of the basin in order to predict other areas that most closely matched the spectral signature of their known fossil-bearing locations.

Anemone returned to the Great Divide Basin in 2012 and 2013 to test their model. His team found fossils at 25 of 31 areas identified by the computer model, a much higher success rate than they were used to based on their earlier work in the area. In July, theyll return with a new fossil-finding tool, an unmanned aircraft or drone, armed with an HD video camera that can wirelessly relay high-resolution images of fossil bearing deposits in real-time.

For paleontologists, the first question is where to search. "Traditionally paleontologists have just said, Well lets go down this road and take a look. But our work suggests there is a better way, Anemone says. It took us 15 years to find this incredible locality that is Tims Confession, and I cant afford to wait 15 more years to find another one. I want to improve my odds.

Anemone has been digging in the Great Divide Basin since 1994, turning up a wide variety of Eocene mammals. His lab and his office on the fourth floor of the Graham building, are a repository for the jaws and teeth of Eocene mammals (including some of the first rodents, horses, primates and carnivores), reptiles (like crocodiles, turtles, lizards and snakes) and fish. The fossils date to 50-55 million years ago, at the boundary of the Paleocene and Eocene eras.

The events of that time period hold important implications for todays world. The Paleocene-Eocene boundary was a time of major global warming, with global temperatures rising by five degrees Celsius or more over a few thousand years. Its such an interesting time period for the evolution of primates and many other animals that had to adapt to the changing environment, he says.

Anemone's work at the Basin this summer is supported by a $180,000, two-year National Science Foundation grant. In addition to their use of the drone, they want to create a 3D model of the Tims Confession sandstone deposit to better understand how this incredibly rich fossil site was formed. He hopes that modern technologies and tools from the geospatial sciences can help him find answers to his questions.

Were at the leading edge of applying this stuff to paleontology, he says. Were pushing the field in a new direction.

The University of North Carolina at Greensboro is a challenging, supportive and engaged community where learning is carried forward to Do something bigger altogether. Founded in 1891, UNCG is the largest and most diverse university in the Triad, serving nearly 18,000 students. Standing apart from other universities, the UNCG community is joined together by a shared value: We define excellence not only by the people we attract, but by the meaningful contributions they make.

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