Search results for geosphere

Earth Sciences Aug 1, 2017

Big data points humanity to new minerals, new deposits (Update)

Applying big data analysis to mineralogy offers a way to predict minerals missing from those known to science, where to find them, and where to find new deposits of valuable minerals such as gold and copper, according to ...

Earth Sciences Apr 10, 2017

What happens to the boats? The 1755 Lisbon earthquake and Portuguese tsunami literacy

In their paper published this week in Geosphere, authors Clara Vasconcelos, Joanna Torres, and Joana Costa point out the need for continued geoscience education on the topic of tsunamis and other earthquake-related hazards.

Earth Sciences Feb 23, 2017

Diamond's 2-billion-year growth charts tectonic shift in early Earth's carbon cycle

A study of tiny mineral 'inclusions' within diamonds from Botswana has shown that diamond crystals can take billions of years to grow. One diamond was found to contain silicate material that formed 2.3 billion years ago in ...

Environment Sep 6, 2016

Nitrogen emissions in Latin America should be monitored, experts insist

BRICS (Brazil, Russia, India, China and South Africa) nations and Latin American countries are generally the main sources of reactive nitrogen emissions in the form of ammonia and nitrous oxide, among others, due to fossil ...

Earth Sciences Apr 12, 2016

The fourth dimension

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 Mar 17, 2016

How rocks shaped the Civil War

The most studied battleground from the American Civil War, from a geological perspective, is the rolling terrain surrounding Gettysburg, Pennsylvania. Here, the mixture of harder igneous and softer sedimentary rocks produced ...

Earth Sciences Feb 29, 2016

New Geosphere article examines massive 2014 Colorado avalanche

On 25 May 2014, a rain-on-snow-induced rock avalanche occurred in the West Salt Creek valley on the northern flank of Grand Mesa in western Colorado (United States). The avalanche mobilized from a preexisting rock slide in ...

Earth Sciences Feb 9, 2016

Terrestrial laser scanning in California

Terrestrial Laser Scanner (TLS) is a powerful mapping tool that helps us to image natural surfaces at centimeter scale, which is established in this research study by evaluating the performance of long-range TLS, Riegl Z620i ...

Earth Sciences Dec 29, 2015

Geomorphic impact of the flooding caused by tropical storm Lee in September 2011

In their article for Geosphere, R. Craig Kochel and colleagues discuss the geomorphic impact of the flooding caused Tropical Storm Lee in September 2011 on several large watersheds of the Susquehanna River in the Appalachian ...

Space Exploration Oct 1, 2015

Asteroids found to be the moon's main 'water supply'

Water reserves found on the moon are the result of asteroids acting as "delivery vehicles" and not of falling comets as was previously thought. Using computer simulation, scientists from MIPT and the RAS Geosphere Dynamics ...

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