News tagged with plate tectonics

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New Method to Measure Snow, Soil Moisture With GPS May Benefit Meteorologists, Farmers

Nov 20, 2009 | not rated yet | 1

(PhysOrg.com) -- A research team led by the University of Colorado at Boulder has found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected ...

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.

New map hints at Venus's wet, volcanic past (w/ Video)

Space & Earth / Space Exploration

Jul 14, 2009 | 4.1 / 5 (8) | 0

(PhysOrg.com) -- Venus Express has charted the first map of Venus's southern hemisphere at infrared wavelengths. The new map hints that our neighbouring world may once have been more Earth-like, with both, ...

Asteroid attack 3.9 billion years ago may have enhanced early life on Earth, says CU-Boulder study

Asteroid Attack 4 Billion Years Ago May Have Accelerated Life on Earth

Space & Earth / Earth Sciences

May 20, 2009 | 4.7 / 5 (13) | 3

(PhysOrg.com) -- The bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early life on the planet and may even have given ...

Plate tectonics started over 4 billion years ago, geochemists report

Space & Earth / Earth Sciences

Nov 26, 2008 | 4.6 / 5 (23) | 0

(PhysOrg.com) -- A new picture of the early Earth is emerging, including the surprising finding that plate tectonics may have started more than 4 billion years ago — much earlier than scientists had believed, ...