Seismic investigations from the Qinling-Dabie-Sulu orogenic belt in eastern China suggest that this region was affected by extreme mantle perturbation and crust-mantle interaction during the Mesozoic era. The Qinling-Dabie-Sulu ...
Earth Sciences
Jan 30, 2015
0
12
Remote sensing techniques facilitate observations and monitoring of ground displacements. In particular, space-borne Differential Synthetic Aperture Radar Interferometry (DInSAR) allows accurate measurements of ground deformation ...
Earth Sciences
Apr 12, 2016
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26
With a population of 11 million and located about 100 km from Beijing (22 million people) and Tangshan (7 million people), Tianjin lies on top of the Tangshan-Hejian-Cixian fault that has been the site of 15 devastating earthquakes ...
Earth Sciences
Nov 18, 2014
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1
The "wheat belt" and "gold fields" of southern Western Australia are associated with a regional acid saline groundwater system. Groundwaters hosted in the Yilgarn Craton there have pH levels as low as 2.4 and salinities as ...
Environment
Jun 1, 2015
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14
The Paleozoic era culminated 251.9 million years ago in the most severe mass extinction recorded in the geologic record. Known as the "great dying," this event saw the loss of up to 96% of all marine species and around 70% ...
Earth Sciences
May 19, 2021
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12
In the U.S., we may often think of landslides as primarily a West Coast problem, mostly plaguing the mountainous terrain of California, Oregon, and Washington. A technical session at the upcoming GSA 2023 Joint Southeastern ...
Earth Sciences
Mar 15, 2023
0
9
Tens of tons of extraterrestrial solid material collide with Earth daily. Most of this material is small enough that it burns up in the atmosphere, but some fragments are large enough to cause quite a predicament. In 2013, ...
Planetary Sciences
Sep 1, 2022
0
256
In the July issue of GSA Today, Franz Neubauer of the University of Salzburg and Fariba Kargaranbafghi of the University of Yazd describe thinning of the lithosphere that they associate with the formation of a metamorphic ...
Earth Sciences
Jul 13, 2015
0
20
Since the 1970s, dams have been removed from the U.S. at an increasing rate, with the aim to improve the ecology of river ecosystems, fish migration pathways, water quality, and recreation spaces.
Environment
Oct 8, 2021
7
66
The hazard posed by large earthquakes is difficult to estimate because they often occur hundreds to thousands of years apart. Because written records for the Puget Lowland of northwestern Washington cover less than 170 years, ...
Earth Sciences
Jul 17, 2014
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1
