USGS research reveals a concerning increase in groundwater salinity across the U.S., linked to road salt and irrigation. This poses threats to aquatic life, infrastructure,…
Posts published in “Geological Society of America”
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The Sahara Desert, typically seen as an inhospitable environment, once harbored the ancient Garamantian Empire, which thrived by tapping into hidden groundwater. However, their unsustainable…
Field team members Matt Lamanna (top) and Kara Fikse of CMP excavate a large hadrosaur limb bone at the CTQ, March 2023. Credit: Photo by…
The team of scientists descends into Bexanka Cave. One of the most beautiful caves in the Arbailles basin, it is suspected that sulfuric acid played…
Hand sample of Dresser Formation stromatolite, showing a complex layered structure formed of hematite, barite, and quartz, and a domed upper surface (dome arrow). Credit:…
New evidence suggests that the Chicxulub asteroid impact triggered an earthquake so monstrous that it shook the planet for weeks to months after the collision.…
Fluid inclusions in halite. Credit: Courtesy Sara Schreder-Gomes Ancient microorganisms found in halite may have implications for search for both terrestrial and extraterrestrial life. Primary…
Several dozen small impact craters, 10–70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient craters…
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…
Backscattered-electron (BSE) image of a botryoidal Pt-Pd nugget. Credit: Rogerio Kwitko-Ribeiro International drilling efforts over the last decades into the seafloor have provided increasing evidence…
Pollutants, including plastic, reach deep-sea fans through linked sediment routing systems, as well as from outside the associated catchment(s), via near-shore and shelfal currents (i.e.,…
Map shows the Levant region (shaded in orange), which is the western part of the overall Fertile Crescent region (shaded in yellow); the study areas…
Fountain Paint Pot. Credit: National Park Service. Throughout Earth’s long history, volcanic super-eruptions have been some of the most extreme events ever to affect our…
The geode of Pulpí. Photo by Hector Garrido. The geode of Pulpí is an 11-meter hollow ovoid with crystal-paneled walls. It is like those familiar…
Microplastic pellets from the Great Lakes study. The pellet study involved sampling of 66 beaches on each Great Lake over a two-week period in October…