Geology News
July 29, 2016

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July 29, 2016

July 28, 2016 — Over the past decade, the number of virtual field trips created to simulate in-person field excursions has grown, but one aspect of physical fieldwork is not commonly replicated: Virtual explorers do ... read more

Transformations to Granular Zircon Revealed: Meteor Crater, Arizona

July 27, 2016 — Having been reported in lunar samples returned by Apollo astronauts, meteorites, impact glass, and at a number of meteorite craters on Earth, granular zircon is the most unusual and enigmatic type of ... read more

Gas Causing Ground to Rise Near Bay of Naples Volcano

July 12, 2016 — New work by Italian geochemists seems to indicate that the current ground movement around one of the world's most dangerous volcano systems may be due to gas pressure, and not because of a surge ... read more

July 11, 2016 — For only the second time in a year, a NASA camera aboard the DSCOVR satellite captured a view of the moon as it moved in front of the sunlit side of Earth. From its position between the sun and ... read more

July 11, 2016 — A huge earthquake may be building beneath Bangladesh, the most densely populated nation on earth. Scientists say they have new evidence of increasing strain there, where two tectonic plates underlie ... read more

Understanding Tsunamis With EM Fields

July 7, 2016 — New research shows that important focal parameters of tsunamigenic earthquakes -- particularly fault dip direction -- can be extracted from tsunami-borne electromagnetic fields. Such details may ... read more

New Study Upends a Theory of How Earth's Mantle Flows

July 6, 2016 — A new study carried out on the floor of Pacific Ocean provides the most detailed view yet of how the earth's mantle flows beneath the ocean's tectonic plates. The findings appear to upend a ... read more

July 6, 2016 — The rate of a certain chemical change in DNA -- a key driver of spontaneous mutation and thus of evolution's pace -- increases rapidly with temperature, researchers have discovered. The ... read more

July 5, 2016 — It may not have taken much in the early solar system to set Earth and Venus on very different paths, according to researchers. A new paper points the way toward what scientists should consider as ... read more

Understanding Ice Loss in Earth’s Coldest Regions

June 30, 2016 — Scientists found that melt on the surface of glaciers in the McMurdo Dry Valley is rare, but internal melting is ... read more

June 30, 2016 — A research cruise this summer will address the massive technical challenges in exploring for sea-floor mineral deposits. This expedition will take place on board the RRS <em>James ... read more

June 29, 2016 — A study of how crystals moved in magma under the Mount St Helens volcano before the 1980 eruption may have signaled that an eruption was probable. Scientists say that similar measurements may ... read more

Plate Tectonics Without Jerking: Detailed Recordings of Earthquakes on Ultraslow Mid-Ocean Ridges

June 29, 2016 — The earthquake distribution on ultra-slow mid-ocean ridges differs fundamentally from other spreading zones. Water circulating at a depth of up to 15 kilometers leads to the formation of rock that ... read more

Asteroid Day Will Draw Eyes to the Stars, but the More Urgent Threat May Be Under Our Feet

June 29, 2016 — Knowing when an asteroid could impact Earth would be nice, but learning more about the impact a super volcano eruption at Yellowstone would have on civilization -- and how to be ready for it -- might ... read more

1815 UK Geologic Map Remains the Benchmark

June 28, 2016 — Although most people do not regularly appreciate it, geologic maps have been and remain a critical foundation of industrial society. They are used for myriad purposes, from locating and developing ... read more

June 24, 2016 — Two massive blob-like structures lie deep within the Earth, roughly on opposite sides of the planet. The two structures, each the size of a continent and 100 times taller than Mount Everest, sit on ... read more

June 24, 2016 — Earth's ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two, new research suggests. Then, shortly after our ... read more

June 23, 2016 — Until now, there has not been a way to forecast eruptions of restless volcanoes because of the constant seismic activity and gas and steam emissions. Volcanologists have shown that periods of seismic ... read more

94 Million-Year-Old Climate Change Event Holds Clues for Future

June 22, 2016 — A major climate event millions of years ago that caused substantial change to the ocean’s ecological systems may hold clues as to how the Earth will respond to future climate change, a researcher ... read more

Research Aims to Make Water-Cycle Modeling Data More Accessible

June 20, 2016 — Improved publication strategy for authors who use hydrological modeling software will make model data easier for readers to understand and reuse, according to an international team of ... read more

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