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bedrock, surface geology, geochronology, stratification, biostratigraphy, structural geology, tectoncs, fault, petrology, igneous rock, metamorphic rock, sedimentary rock, mineralogy, pedology, sedimentology, erosin, conservation, marine geology, rock mechanics, soil mechanics, hydrogeology
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Seismological Society of America
The Seismological Society of America (SSA) was born in the aftershocks of the 1906 San Francisco earthquake, as engineers, mathematicians and geologists united to learn more about the devastating event. From these earliest days, SSA has been committed to the science of seismology and sharing research with the public to help build an earthquake-aware world.
Geological Society of Nevada
The Geological Society of Nevada (GSN) is a non-profit scientific society whose principal mission is to promote the advancement of the geological sciences, especially as they relate to Nevada.
The Geological Society of America
The Geological Society of America (GSA) is a global professional society with a membership of more than 20,000 individuals in more than 100 countries. GSA provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.
American Geosciences Institute
The American Geosciences Institute (AGI; formerly known as the American Geological Institute) was founded in 1948, under a directive of the National Academy of Sciences, as a network of associations representing geoscientists with a diverse array of skills and knowledge of our planet.