TECTONICS

News About Tectonic Forces

504 articles

The Earth sank twice, flooding the Eastern Amazon
May 04, 2017 (SPX)
"Pollen records from oil wells in eastern Colombia and outcrops in northwestern Brazil clearly show two short-lived events in which ocean water from the Caribbe...
Rock samples indicate water is key ingredient for crust formation
May 03, 2017 (SPX)
Nick Dygert, a postdoctoral fellow in the Jackson School's Department of Geological Sciences, led the research which was published in May in the print edition o...
A new interpretation of petrogenesis of the early continental crust rock
May 01, 2017 (SPX)
Study on the petrogenesis of TTG rocks can provide great contributions to elucidate the tectonic regimes of the early earth. A latest research, using quantitati...
Study: Early organic carbon got deep burial in mantle
Apr 26, 2017 (SPX)
"It's an interesting concept, but in order for complex life to evolve, the earliest form of life needed to be deeply buried in the planet's mantle," said Rajdee...
'Nesting doll' minerals offer clues to Earth's mantle dynamics
Apr 10, 2017 (SPX)
Recovered minerals that originated in the deep mantle can give scientists a rare glimpse into the dynamic processes occurring deep inside of the Earth and into ...
When did India collide with Asia to form the Himalayan mountains
Apr 04, 2017 (SPX)
The collision between the Indian subcontinent and the Asian landmass resulted in the formation of the Himalayan Mountains and the rise of the Tibetan Plateau, w...
Using a method from Wall Street to track slow slipping of Earth's crust
Mar 30, 2017 (SPX)
Stock traders have long used specialized trackers to decide when to buy or sell a stock, or when the market is beginning to make a sudden swing. A new Universit...
A seismic mapping milestone
Mar 30, 2017 (SPX)
Because of Earth's layered composition, scientists have often compared the basic arrangement of its interior to that of an onion. There's the familiar thin crus...
Earth's first example of recycling - its own crust!
Mar 17, 2017 (SPX)
Rock samples from northeastern Canada retain chemical signals that help explain what Earth's crust was like more than 4 billion years ago, reveals new work from...
Overcoming challenges studying the geodynamo
Feb 17, 2017 (SPX)
Gleaning data from old rocks may result in bias. Now, geophysicists have a way to improve their methods to overcome challenges in studying the history of the Ea...
Older than the moon
Feb 07, 2017 (SPX)
The Earth's mantle - the layer between the crust and the outer core - is home to a primordial soup even older than the moon. Among the main ingredients is heliu...
Researchers confirm the existence of a 'lost continent' under Mauritius
Feb 01, 2017 (SPX)
Scientists have confirmed the existence of a "lost continent" under the Indian Ocean island of Mauritius that was left-over by the break-up of the supercontinen...
Earthquake hazard due to active plate boundary
Jan 25, 2017 (SPX)
Since the early civilizations, the lives of people in Europe, in the Middle East, and in North Africa have been closely linked to the Mediterranean. Natural cat...
Deep mantle chemistry surprise: Carbon content not uniform
Jan 17, 2017 (SPX)
Even though carbon is one of the most-abundant elements on Earth, it is actually very difficult to determine how much of it exists below the surface in Earth's ...
Release of water shakes Pacific Plate at depth
Jan 13, 2017 (SPX)
Tonga is a seismologists' paradise, and not just because of the white-sand beaches. The subduction zone off the east coast of the archipelago racks up more inte...
Geologists publish new details about evolution of East African Rift Valley
Jan 04, 2017 (SPX)
Researchers in the College of Arts and Sciences have published new details about the evolution of the East African Rift (EAR) Valley, one of the world's largest...
Above and beyond megathrusts: Draining pore-fluids dampens tremors
Dec 22, 2016 (SPX)
In the Nankai subduction zone, Japan, non-volcanic deep tremors occur down-dip of the megathrust seismogenic zone, and are observed to coincide temporally with ...
180-million-year-old rocks lend insight into Earth's most powerful earthquakes
Dec 22, 2016 (SPX)
The raggedness of the ocean floors could be the key to triggering some of the Earth's most powerful earthquakes, scientists from Cardiff University have discove...
Tectonic shift?
Dec 21, 2016 (SPX)
Plate tectonics, the idea that the surface of the Earth is made up of plates that move apart and come back together, has been used to explain the locations of v...
Breakup of supercontinent Pangea cooled mantle and thinned crust
Dec 14, 2016 (SPX)
The oceanic crust produced by the Earth is significantly thinner than crust made 170 million years ago during the time of the supercontinent Pangea, according t...
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