Ocean deoxygenation during the Mesozoic Era was much more rapid than previous thought, with CO2 induced environmental warming creating ocean 'dead zones' over timescales of only tens of thousands of years.
Earth Sciences
Aug 23, 2021
7
889
A new study led by the University of Colorado Boulder reveals the complex history behind one of the Grand Canyon's most well-known geologic features: A mysterious and missing gap of time in the canyon's rock record that covers ...
Earth Sciences
Aug 19, 2021
13
2173
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
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor. There, circulating fluids in the sub-seafloor deliver ...
Earth Sciences
Jul 27, 2021
1
491
Unlike bones and shells, which can endure for millions of years, soft tissues are rarely preserved as fossils.
Paleontology & Fossils
Jul 27, 2021
0
389
A million years ago, dry seasons became more frequent and forests retreated before the encroaching savanna. Meanwhile, clustered around a nearby lake, our ancient ancestors fashioned stone tools.
Earth Sciences
Jul 8, 2021
0
18
Subsurface carbon sequestration—storing carbon inrocks deep underground—offers a partial solution for removing carbon fromthe atmosphere. Used alongside emissions reductions, geologic carbonsequestration could help mitigate ...
Earth Sciences
Jun 29, 2021
0
391
Curtin University research has found tiny amounts of gold can be trapped inside pyrite, commonly known as "fool's gold," which would make it much more valuable than its name suggests.
Earth Sciences
Jun 25, 2021
2
1202
The Paleocene-Eocene Thermal Maximum, or PETM, was a short interval of highly elevated global temperatures 56 million years ago that is frequently described as the best ancient analog for present-day climate warming.
Paleontology & Fossils
May 25, 2021
4
36
A new focus article in the May issue of Geology summarizes research on plastic waste in marine and sedimentary environments. Authors I.A. Kane of the Univ. of Manchester and A. Fildani of the Deep Time Institute write that ...
Earth Sciences
May 4, 2021
4
615
