Scientists discover elusive secret of how continents formed
An international research team, led by a Virginia Tech geoscientist, has revealed information about how continents were generated on Earth more than 2.5 billion years ago—and how those processes have continued ...
Researchers propose a novel mechanism to explain High Plains elevation
No one really knows how the High Plains got so high. About 70 million years ago, eastern Colorado, southeastern Wyoming, western Kansas and western Nebraska were near sea level. Since then, the region has ...
North american plate shattered speed records a billion years ago
North America traveled in fast company back in its youth.
Questions of continental crust
Geological processes shape the planet Earth and are in many ways essential to our planet's habitability for life. One important geological process is plate tectonics – the drifting, colliding and general ...
Taking the pulse of mountain formation in the Andes
Scientists have long been trying to understand how the Andes and other broad, high-elevation mountain ranges were formed. New research by Carmala Garzione, a professor of earth and environmental sciences ...
Computer model shows continents sometimes push others out of the way (w/ video)
Image: Christmas tree fjords
This Envisat image was acquired over the Westfjords peninsula in northwest Iceland.
Researchers propose foundering of lower island-arc crust explains continental Moho
In subglacial lake, surprising life goes on: Team identifies species in most inhospitable realm
Lake Vostok, buried under a glacier in Antarctica, is so dark, deep and cold that scientists had considered it a possible model for other planets, a place where nothing could live.
Study reveals ancient jigsaw puzzle of past supercontinent
A new study published today in the journal Gondwana Research, has revealed the past position of the Australian, Antarctic and Indian tectonic plates, demonstrating how they formed the supercontinent Gondwa ...
New 'embryonic' subduction zone found
(Phys.org) —A new subduction zone forming off the coast of Portugal heralds the beginning of a cycle that will see the Atlantic Ocean close as continental Europe moves closer to America.
New explanation for slow earthquakes on San Andreas
(Phys.org) —New Zealand's geologic hazards agency reported this week an ongoing, "silent" earthquake that began in January is still going strong. Though it is releasing the energy equivalent of a 7.0 earthquake, ...
Rare particles give clue to ancient Earth
(Phys.org) —Semi-precious minerals found in a bucket of sand from an island nation have cracked open a clue to the drifting movements and break-up of ancient Earth's massive continental plates.
Research aims to settle debate over origin of Yellowstone volcano
A debate among scientists about the geologic formation of the supervolcano encompassing the region around Yellowstone National Park has taken a major step forward, thanks to new evidence provided by a team of international ...