A University of Wyoming professor has used computer modeling to propose that sand and mud subducted off the coast of California around 75 million years ago returned to the Earth's crust by rising up through the mantle as ...
Earth Sciences
Aug 4, 2021
3
553
The first emergence and persistence of continental crust on Earth during the Archaean (4 billion to 2.5 billion years ago) has important implications for plate tectonics, ocean chemistry and biological evolution. This happened ...
Earth Sciences
Apr 26, 2021
0
161
Fractured rocks of impact craters have been suggested as suitable environments for deep colonization of microbial communities. In a new study published in Communications Earth & Environment, a team of researchers shows that ...
Cell & Microbiology
Feb 18, 2021
4
4958
A new study from scientists at Scripps Institution of Oceanography at UC San Diego and the University of Chicago sheds light on a hotly contested debate in Earth sciences: when did plate subduction begin?
Earth Sciences
Dec 9, 2020
0
633
Analysis of an ancient meteorite from Mars suggests that the mineral zircon may be abundant on the surface of the red planet.
Astronomy
Nov 17, 2020
1
1014
Rocks from the Rio Grande continental rift have provided a rare snapshot of active geology deep inside Earth's crust, revealing new evidence for how continents remain stable over billions of years, according to a team of ...
Earth Sciences
Oct 19, 2020
2
220
An international study led by Monash University has revealed a new mechanism that may have changed the state of the Earth's crust some 2.5 billion years ago.
Earth Sciences
Apr 15, 2020
0
229
Sifting through diamond exploration samples from Baffin Island, Canadian scientists have identified a new remnant of the North Atlantic craton—an ancient part of Earth's continental crust.
Earth Sciences
Mar 20, 2020
13
4697
Fresh evidence of how the continent of Zealandia was created has been published by an international team of scientists co-led by Te Herenga Waka—Victoria University of Wellington's Professor Rupert Sutherland.
Earth Sciences
Feb 7, 2020
6
205
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought ...
Earth Sciences
Jul 1, 2019
3
12
