The Geological Society of America (or GSA) is a nonprofit organization dedicated to the advancement of the geosciences. The society was founded in New York in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitchcock, John R. Proctor and Edward Orton[1] and has been headquartered at 3300 Penrose Place, Boulder, Colorado, USA, since 1968. As of 2007, the society has over 21,000 members in more than 85 countries. The stated mission of GSA is "to advance the geosciences, to enhance the professional growth of its members, and to promote the geosciences in the service of humankind". Its main activities are sponsoring scientific meetings and publishing scientific literature, particularly the journals Geological Society of America Bulletin (commonly called "GSA Bulletin") and Geology. A more recent publication endeavor is the online-only science journal Geosphere. In February 2009, GSA began publishing Lithosphere. GSA's monthly news and science magazine, GSA Today, is open access online.
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When—and how—the Earth's surface evolved from a hot, primordial mush into a rocky planet continually resurfaced by plate tectonics remain some of the biggest unanswered questions in earth science research. Now a new study, ...
Earth Sciences
Nov 26, 2019
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On Mt. Etna volcano, inhabited areas have been inundated repeatedly by lava flows in historical times. The increasing exposure of a larger population, which has almost tripled in the area around Mt. Etna during the last 150 ...
Earth Sciences
Nov 25, 2019
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195
Typical geologic investigations of active earthquake fault zones require that the fault can be observed at or near the Earth's surface. However, in urban areas, where faults present a direct hazard to dense populations, the ...
Earth Sciences
Oct 24, 2019
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The geode of Pulpí is an 11-meter hollow ovoid with crystal-paneled walls. It is like those familiar couplets of stone interiors covered with bright crystallites, but so large that several people can fit inside. The crystals, ...
Earth Sciences
Oct 15, 2019
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205
Figuring out what lies ahead for our species and our planet is one of the most pressing and challenging tasks for climate scientists. While models are very useful, there is nothing quite like Earth's history to reveal details ...
Earth Sciences
Sep 24, 2019
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From the Great Pacific garbage patch to inland rivers, plastics are among the most widespread contaminants on Earth. Microplastics—particles of plastic smaller than five millimeters—are especially pervasive. As they build ...
Environment
Sep 24, 2019
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Mosasaurs were true sea monsters of late Cretaceous seas. These marine lizards—related to modern snakes and monitor lizards—grew as long as fifty feet, flashed two rows of sharp teeth, and shredded their victims with ...
Archaeology & Fossils
Sep 23, 2019
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135
The ancient Incan sanctuary of Machu Picchu is considered one of humanity's greatest architectural achievements. Built in a remote Andean setting atop a narrow ridge high above a precipitous river canyon, the site is renowned ...
Earth Sciences
Sep 23, 2019
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182
For iconic landscapes such as Grand Canyon or the Appalachian Mountains, geological features are an integral part of their appeal. Yet despite the seeming permanence of cliffs, caves, fossils, and other geological highlights, ...
Earth Sciences
Sep 23, 2019
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15
The Sahara Desert is vast, generously dusty, and surprisingly shy about its age. New research looking into what appears to be dust that the Sahara blew over to the Canary Islands is providing the first direct evidence from ...
Earth Sciences
Sep 23, 2019
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