Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted some of the largest volcanic eruptions in Earth's ...
Earth Sciences
May 25, 2023
1
330
Three hundred miles off the southeastern coast of Africa, Madagascar is a land of mystery. There is such a rich diversity of vertebrates found only on the island that is so unlike anything seen elsewhere in the world that ...
Microbes are just about everywhere, from the soil to the air to Arctic ice to oceans, lakes, and rivers—not to mention all over your body and the phone or computer you're using right now.
Astrobiology
Apr 25, 2023
0
27
A team of oceanographers at the Scripps Institution of Oceanography, working with a colleague from Chungnam National University and another from the University of Hawaii, has mapped 19,000 previously unknown undersea volcanoes ...
Earthquakes and volcanism occur as a result of plate tectonics. The movement of tectonic plates themselves is largely driven by the process known as subduction. The question of how new active subduction zones come into being, ...
Earth Sciences
Apr 19, 2023
0
236
How did the Andes—the world's longest mountain range—reach its enormous size? This is just one of the geological questions that a new method developed by researchers at the University of Copenhagen may be able to answer. ...
Earth Sciences
Apr 13, 2023
0
97
The field of plate tectonics is not that old, and scientists continue to learn the details of earthquake-producing geologic faults. The Cascadia Subduction Zone—the eerily quiet offshore fault that threatens to unleash ...
Earth Sciences
Apr 11, 2023
0
939
Earth is a dynamic and constantly changing planet. From the formation of mountains and oceans to the eruption of volcanoes, the surface of our planet is in a constant state of flux. At the heart of these changes lies the ...
Earth Sciences
Apr 4, 2023
0
227
To gain a deeper understanding of a wide range of geological processes, such as plate tectonics, earthquakes and volcanic diking, we need to have a knowledge of both past and present in situ stress field. In particular, information ...
Earth Sciences
Mar 21, 2023
0
5
Geologists have long contested the structure of the Red Sea. Many regard it as an extended rift basin where two continental plates are actively moving apart, while others see it as a fully developed ocean with a mid-ocean ...
Earth Sciences
Mar 21, 2023
0
135
