News tagged with geologic history

Italy's geologic history becomes a personal tale in Walter Alvarez's new book

Space & Earth / Earth Sciences

Dec 22, 2008 | 3 / 5 (1) | 0

Italy's mountains, from the Apennines to the Alps, have fascinated University of California, Berkeley, geologist Walter Alvarez for more than 35 years, resulting in a new book, "The Mountains of Saint Francis," that traces ...

Researchers use remote sensing technology to go back in time on the Ethiopian Plateau

Space & Earth / Earth Sciences

Sep 28, 2007 | 4.5 / 5 (10) | 0

The cliffs that rise above the Blue Nile contain 750 million years of exposed geologic history. But it’s what’s happened in the past 6 million years that intrigues Dr. Mohamed Abdelsalam, an associate professor of geology ...

Plate tectonics may take a break

Space & Earth / Earth Sciences

Jan 03, 2008 | 4.7 / 5 (14) | 2

Plate tectonics, the geologic process responsible for creating the Earth’s continents, mountain ranges, and ocean basins, may be an on-again, off-again affair. Scientists have assumed that the shifting of crustal plates has ...

Microfossils disclose geologic history of eastern California

Space & Earth / Earth Sciences

Oct 04, 2007 | 4.8 / 5 (4) | 0

The Bird Spring Shelf in southeastern California and basins to the west reveal a complex history of late Paleozoic sedimentation, sea-level changes, and deformation along the western North American continental margin. A new ...

Isthmus of Panama formed as result of plate tectonics

Space & Earth / Earth Sciences

Jul 30, 2008 | 4.5 / 5 (22) | 2

Contrary to previous evidence, a new University of Florida study shows the Isthmus of Panama was most likely formed by a Central American Peninsula colliding slowly with the South American continent through tectonic plate ...

Geologic Findings Undermine Theories of Permian Mass Extinction Timing

Space & Earth / Earth Sciences

Mar 02, 2009 | 4 / 5 (19) | 3

(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...

Jade sheds light on Guatemala's geologic history

Space & Earth / Earth Sciences

Jul 27, 2009 | 4.8 / 5 (6) | 1

The shifting of tectonic plates in Central America has been poorly understood -- until now. New research on jade found along fault lines in Guatemala is helping geologists piece the puzzle of the past 130 million years.

Extensional tectonics in Tempe Terra

Space & Earth / Space Exploration

May 08, 2006 | 4.1 / 5 (7) | 0

These images, taken by the High Resolution Stereo Camera (HRSC) on board ESA's Mars Express spacecraft, show the tectonic 'grabens' in Tempe Terra, a geologically complex region that is part of the old Martian ...

War from the ground up

Space & Earth / Earth Sciences

Oct 01, 2008 | 3.6 / 5 (8) | 1

The connection between geology and the history of the Civil War has fascinated Robert Whisonant since his undergraduate days, and now Whisonant has teamed up with geomorphologist Judy Ehlen, both of Radford University, to ...

Scientists Link Natural Gas Formation by Bacteria to Climate Change and Renewable Energy

Space & Earth / Earth Sciences

Jan 28, 2008 | 4.5 / 5 (11) | 0

Natural gas reservoirs in Michigan’s Antrim Shale are providing new information about global warming and the Earth’s climate history, according to a recent study by Steven Petsch, a geoscientist at the University of Massachusetts ...

UNH-NOAA ocean mapping expedition yields new insights into arctic depths

Space & Earth / Earth Sciences

Feb 11, 2008 | 4.2 / 5 (6) | 0

New Arctic sea floor data released today by the University of New Hampshire and the National Oceanic and Atmospheric Administration suggests that the foot of the continental slope off Alaska is more than 100 ...

List of search results for geologic history