As part of a team of collaborators from Northern Arizona University and Johns Hopkins University, Northern Arizona University (NAU) Ph.D. candidate Ari Koeppel recently discovered that water was once present in a region of ...
Planetary Sciences
Nov 30, 2021
0
654
On a recent 11-day raft trip through the Grand Canyon, geologists gathered evidence in hope that it would allow them to peer billions of years into the past. Using a relatively new technique, they were able to estimate the ...
Earth Sciences
Nov 29, 2021
0
245
Around 12,000 years ago, something scorched a vast swath of the Atacama Desert in Chile with heat so intense that it turned the sandy soil into widespread slabs of silicate glass. Now, a research team studying the distribution ...
Earth Sciences
Nov 2, 2021
8
1216
Dunes develop when wind-blown sand organizes into patterns, most often in deserts and arid or semi-arid parts of the world. Every continent on Earth has dune fields, but dunes and dune-like sand patterns are also found across ...
Planetary Sciences
Sep 30, 2021
0
429
Researchers on the hunt for why cold eclogites mysteriously disappeared from geological records during the early stages of the Earth's development may have found the answer, and with it clues that could help locate critical ...
Earth Sciences
Sep 24, 2021
0
183
Rift Valley lakes within eastern Africa range from freshwater to highly alkaline systems and are homes to diverse ecosystems. These Rift Valley lakes are also sedimentary repositories, yielding a high-resolution environmental ...
Earth Sciences
Sep 21, 2021
0
114
A study published in the journal Geology rules out that extreme volcanic episodes had any influence on the massive extinction of species in the late Cretaceous. The results confirm the hypothesis that it was a giant meteorite ...
Paleontology & Fossils
Sep 20, 2021
2
1214
Lava samples have revealed a new truth about the geological makeup of the Earth's crust and could have implications for volcanic eruption early warning systems, a University of Queensland-led study has found.
Earth Sciences
Sep 14, 2021
0
155
Spectacular ice age landscapes beneath the North Sea have been discovered using 3D seismic reflection technology. Similar to MRI (magnetic resonance imaging) the images reveal in unprecedented detail huge seafloor channels—each ...
Earth Sciences
Sep 9, 2021
3
3378
The Antarctic Ice Sheet, Earth's southern polar ice sheet, has grown and receded and grown again over millions of years. This changing mass influences the planet's climate and sea levels, with historic data recorded in sediment, ...
Earth Sciences
Aug 24, 2021
0
327
