If alien geologists were to visit our planet 10 million years from now, would they discern a distinct human fingerprint in Earth's accumulating layers of rock and sediment?
Environment
May 15, 2011
13
0
A paleoseismic trench dug across the Gales Creek fault, located about 35 kilometers (roughly 22 miles) west of Portland, Oregon, documents evidence for three surface-rupturing earthquakes that took place about 8,800, 4,200 ...
Earth Sciences
Oct 20, 2020
0
28
(PhysOrg.com) -- The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the Andes’ rise, ...
Earth Sciences
May 15, 2009
1
0
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history.
Earth Sciences
Mar 2, 2009
3
1
(Phys.org) -- Researchers at the University of Manchester have demonstrated that graphene can be used as a building block to create new 3D crystal structures which are not confined by what nature can produce.
Nanomaterials
Jul 29, 2012
7
0
(Phys.org)—For some Americans, it is our energy dreams come true. To others, it is an environmental nightmare. Ever since a new drilling technology, called hydraulic fracturing or fracking, made it possible to extract natural ...
Environment
Dec 12, 2012
15
0
"Eternal flames" fueled by hydrocarbon gas could shine a light on the presence of natural gas in underground rock layers and conditions that let it seep to the surface, according to research by geologists at the Department ...
Earth Sciences
May 9, 2013
2
0
The Mastcam-Z instrument aboard NASA's Perseverance Mars rover recently collected 152 images while looking deep into Belva Crater, a large impact crater within the far larger Jezero Crater. Stitched into a dramatic mosaic, ...
Planetary Sciences
May 18, 2023
2
18
Starting in 536 A.D., the sky went dark for more than a year. In some parts of Europe and Asia, the sun only shone for about four hours a day, and "accounts say the sun gave no more light than the moon," says Dallas Abbott, ...
Earth Sciences
Dec 18, 2019
1
22
(Phys.org)—Delaware Geological Survey (DGS) scientists have uncovered hard proof of faults in northern Delaware, indicating the occurrence of earthquakes millions of years ago.
Earth Sciences
Aug 31, 2012
0
0
