Tag: "geology" at biology news

Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures

...cean circulation drives climate change," said Duke geology professor Paul Baker, another author of the Science paper and a supervising geochemist. "The temperature of the deep water through time is very poorly understood because there hasn't been any unambiguous paleothermometer developed." The researchers c...

Ocean Sediments Contain Record of Past Vegetation Fires in Africa

... Connie Sancetta, program director in NSF's marine geology and geophysics program, which funded Verardo's research along with NSF's climate dynamics program. The burning of trees and grasses on land produces charred particles, or charcoal. Charcoal may then be transported long distances by winds and...

An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die

...t Stewart Ebersole and Arnold Miller, professor of geology at UC, willreport Wednesday,Oct. 30 during the annual meeting of the Geological Society ofAmerica that the Late Permian mass extinction was global in itsextent and hit all marine areas with roughly the same effect. Traditionally, geologists believed ...

UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style

...ightly packedcolonies. David Meyer, a professor of geology at the University ofCincinnati, will present evidence at the Geological Society ofAmerica annual meeting Monday, October 20 supporting the ideathat Uintacrinus could float. However, Meyer's model goes furtherby proposing a brand new model to explain ...

Geologist Finds Evidence Supporting Mysterious Ancient Sea

...fossilsimilarities, using evidence collected by UC geology graduatestudent Maria Prokopenko. The evidence indicates part of NorthAmerica broke away and eventually reassembled as part of SouthAmerica. The fossils weren't formed in South America. They werecarried there. "Maria is showing something rather inter...

Skull Of Refrigerator-Size Ancient Armadillo Finds A Home At UF

...ose relatives, he said. Richard Hulbert, a geology professor at Georgia Southern College who saw the skull at the museum several months ago, said, "It was evident that it was much more complete than any we've previously had of these species. It certainly will be important for studying how these anima...

New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi

...e mystery began with a detailed examination of the geology of UkhaaTolgod. The team discovered that there were three distinct types of sandstonesat the site, each revealing a different part of the puzzle. One type shows awell-defined bedding structure that is tilted at an angle of twenty-five degreesand is...

New Dinosaur Finds In Antarctica Paint Fuller Picture Of Past Ecosystem

...nted Scott Borg, NSF program manager for Antarctic geology and geophysics. "The climatewas obviously very different when these animals lived. There must have been a lot of vegetationto support these large plant-eaters. The find implies a complicated and robust ecosystem." The region around Vega Island is e...

New Sickle-Clawed Fossil From Madagascar Links Birds And Dinosaurs

...throughtime," says Chris Maples, director of NSF's geology and paleontology program,which funded the research. The fossil bird is 65 to 70 million years old and dates from the LateCretaceous period. It was discovered in 1995 by an international team ofpaleontologists led by researcher David Krause, ...

AAAS, State Of Arizona Co-Host Conference On Research And Development

...et ofopportunity for Arizona: A panel on planetary geology and space sciences will be hosted by ASU planetary geologistPhilip Christensen and Mike Drake from the UA Lunar and Planetary Lab. Panel participantswill include David Morrison, director of space programs for the NASA Ames ResearchCenter; Dan McClees...

New Species Of Winged Dinasaur Named For Yale Professor

...nosaurs werewarm-blooded, is professor emeritus of geology and geophysics, editor of theAmerican Journal of Science, and curator emeritus of vertebrate paleontology atthe Peabody Museum of Natural History, where he is also editor emeritus of thePeabody Museum Bulletin and Postilla....

Remarkable Skull Of Predatory Dinosaur Unearthed On Madagascar

...h team," said Christopher Maples, directorof NSF's geology and paleontology program, which funded the research. "The Cretaceous period in Madagascar has rapidly become among the most importantfossil localities of any age in the world." Theropod dinosaurs have been known from Madagascar for over a c...

First Reproducible Cloning Of Mammals From Adult Cells Reported In Nature

...nary biology, astronomy,oceanography, volcanology, geology and geophysics, tropical agriculture,electrical engineering and Asian and Pacific studies. The Jackson Laboratory, founded in 1929, is a world leader in mammaliangenetics research. With more than 850 employees, the nonprofit, independentfacility has...

New Evidence From Dinosaur Footsteps Show Massive Herds Once Roamed Northern Alaska

...useum along with team members from the UAF and UAA geology departments collected casts andimpressions of five different types of dinosaurs in the foothills of Alaska's Brooks Range during thesummer 1998 field season. A total of 13 new track sites were located along a 75-mile stretch of theColville River in N...

Computer Simulation To Predict Forest Fires

...amud, a Fulbright Scholar and visiting lecturer in geology at Cornell, and Gleb Morein, a Cornell graduate student, built their computer model of forest fires and analyzed data sets from a number of forests and wildfires from around the world, including Yellowstone National Park. Until 1972 Yellowstone ha...

Ancient Antarctic Environment Rocked By Volcanic Eruptions

...F) is a partner. Scott Borg, who heads the geology and geophysics program for NSF'sAntarctic Science Section, said the rock cores, drilled from the sea floor offthe Victoria Land coast near Cape Roberts, show surprising evidence of enormousvolcanic eruptions. These eruptions are believed to have sig...

Montana State University Scientist Contributes To Latest Dinosaur Discovery

... of dinosaur reproductive traits.She's also taught geology and paleontology at the Museum of the Rockies fieldschool near Choteau, Mont., for 10 years. "It's mostly my experience at Egg Mountain that got me involved in theexpedition to South America this spring," Jackson said. She first visi...

Professor Will Connect With Students Live From China Dinosaur Site

...rsity of Nevada-Las Vegas. She is an expert on the geology of southwest China. Prior to the expedition, Hengst and Buck came to LaPorte to meet with the students in their classrooms, and they will return for a follow-up after the expedition. This not the first time Hengst has partnered...

Gold Finds Life, Energy, Controversy In Earth

... my view, hydrocarbons are not biology reworked by geology (asthe traditional view would hold) but rather geology reworked by biology. Inother words, hydrocarbons are primordial, but as they upwell into Earth's ou...

Innovative Process To Benefit Ground Water Clean-Up

...essor Barbara Sherwood Lollar of the department of geology is one of thefirst researchers in the world to successfully apply the process -- known ascompound specific stable carbon isotope analysis -- to the investigation ofpollution controls in ground water. The method, which uses mass spectrometertechnology...

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