Geology News
May 25, 2017
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updated 12:12pm EDT
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May 25, 2017

New Theory on How Earth's Crust Was Created

May 5, 2017 — Conventional theory holds that all of the early Earth's crustal ingredients were formed by volcanic activity. Now, however, earth scientists have published a theory with a novel twist: some of ... read more

Battered Earth Revived by Mineral Weathering After Mass Extinction

May 5, 2017 — Bedrock of Earth got severely beaten up by hothouse climate conditions during one of planet’s mass extinctions some 200 million years ago. But the process also allowed life to bounce ... read more

Hawaii: How the World's Biggest Volcanoes Formed

May 3, 2017 — A new study has solved the 168-year-old mystery of how the world's biggest and most active volcanoes formed in ... read more

Ancient Meteorite Impact Sparked Long-Lived Volcanic Eruptions on Earth

May 3, 2017 — Large impacts were common on the early Earth and were likely much more important than previously thought in shaping our planet. The findings raise interest in the possibility of volcanism also ... read more

Wastewater Injection Rates May Have Been Key to Oklahoma's Largest Earthquake

May 2, 2017 — Changes to the rate of wastewater injection in disposal wells may have contributed to conditions that led to last year's Pawnee earthquake in Oklahoma, according to a new ... read more

Geologists Use Radioactive Clock to Document Longest Earthquake Record

May 2, 2017 — Using radioactive elements trapped in crystallized, cream-colored 'veins' in New Mexican rock, geologists have peered back in time more than 400,000 years to illuminate a record of ... read more

Mineral Resources: Exhaustion Is Just a Myth, Say Scientists

May 2, 2017 — Recent articles have declared that deposits of mineral raw materials (copper, zinc, etc.) will be exhausted within a few decades. An international team of scientists, however, has shown that this is ... read more

Climate Instability Over the Past 720,000 Years

May 2, 2017 — A new analysis of an ice core from Dome Fuji in Antarctica, along with climate simulation results, shows a high degree of climate instability (that is, rapid climate fluctuations) within glacial ... read more

Antarctic Ice Rift Spreads

May 2, 2017 — The rift in the Larsen C ice shelf in Antarctica now has a second branch, which is moving in the direction of the ice front, researchers revealed after studying the latest satellite data. The main ... read more

Earth Science: Rock Samples Indicate Water Is Key Ingredient for Crust Formation

May 1, 2017 — By examining the cooling rate of rocks that formed more than 10 miles beneath the Earth's surface, scientists have found that water probably penetrates deep into the crust and upper mantle at ... read more

Earthquakes Can Make Thrust Faults Open Violently and Snap Shut

May 1, 2017 — Engineers and scientists experimentally observe surface twisting in thrust faults that can momentarily rip open the earth's ... read more

Mining: Bacteria With Midas Touch for Efficient Gold Processing

Apr. 28, 2017 — Special 'nugget-producing' bacteria may hold the key to more efficient processing of gold ore, mine tailings and recycled electronics, as well as aid in exploration for new deposits, ... read more

Early Organic Carbon Got Deep Burial in Mantle

Apr. 25, 2017 — Petrologists who recreated hot, high-pressure conditions from 60 miles below Earth's surface have found a new clue about a crucial event in the planet's deep ... read more

New Atlas Provides Highest-Resolution Imagery of the Polar Regions Seafloor

Apr. 25, 2017 — Scientists have created the most comprehensive and high-resolution atlas of the seafloor of both Polar ... read more

The Formation of Gold Deposits in South Africa

Apr. 20, 2017 — The Witwatersrand basin in South Africa hosts the largest known gold repository on Earth -- but how was it formed? Scientists were able to figure out how parts of the Earth's largest gold ... read more

In New Paper, Scientists Explain Climate Change Using Before/after Photographic Evidence

Apr. 19, 2017 — A group of scientists offers photographic proof of climate change using images of retreating ... read more

Grand Challenges to Better Prepare for Volcanic Eruptions

Apr. 19, 2017 — Despite broad understanding of volcanoes, our ability to predict the timing, duration, type, size, and consequences of volcanic eruptions is limited, says a new report. To improve eruption ... read more

Lessons from Parkfield Help Predict Continued Fault Movements After Earthquakes

Apr. 17, 2017 — A new study shows that the San Andreas Fault continued to slip gradually for six to 12 years after the 2004 magnitude 6.0 Parkfield, Calif., earthquake, raising the issue of continued damage to ... read more

Retreating Yukon Glacier Caused a River to Disappear

Apr. 17, 2017 — A postmortem of the first known case of 'river piracy' in modern times outlines how a retreating glacier in the Yukon diverted water from one river to another, leading to many downstream ... read more

Forecasting Large Earthquakes Along the Wasatch Front, Utah

Apr. 13, 2017 — There is a 43 percent probability that the Wasatch Front region in Utah will experience at least one magnitude 6.75 or greater earthquake, and a 57 percent probability of at least one magnitude 6.0 ... read more
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