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Geology 亚博棋牌平台
December 10, 2020

Top Headlines
 

New Study Helps Pinpoint When Earth's Plate Subduction Began

Plate subduction could have started 3.75 billion years ago, reshaping Earth's surface and setting the stage for a planet hospitable to ...

Newly Discovered Greenland Plume Drives Thermal Activities in the Arctic

A team of researchers understands more about the melting of the Greenland ice sheet. They discovered a flow of hot rocks, known as a mantle plume, rising from the core-mantle boundary beneath central ...
Researchers have used magnetism to determine, for the first time, when asteroids that are rich in water and amino acids first arrived in the inner ...
Researchers used millimeter-sized crystals from the 1959 eruption of Hawaii's Kilauea Volcano to test models that offer insights about flow conditions prior to and during ...
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Earlier Headlines
 

Offshore Submarine Freshwater Discovery Raises Hopes for Islands Worldwide

Twice as much freshwater is stored offshore of Hawai'i Island than previously thought, revealed a new study with important implications for volcanic islands around the world. An extensive ...

Ice Sheets on the Move: How North and South Poles Connect

Over the past 40,000 years, ice sheets thousands of kilometers apart have influenced one another through sea level changes, according to new research. New modelling of ice sheet changes during the ...

Cascading Events Led to 2018 Kilauea Volcanic Eruption, Providing Clues for Forecasting

The 2018 eruption of Kilauea Volcano was one of the largest volcanic events in Hawaii in 200 years. This eruption was triggered by a relatively small and rapid change at the volcano after a ...

True Origin of Oldest Evidence of Animals

Scientists have resolved a longstanding controversy surrounding the origins of complex life on Earth. The studies found molecular fossils extracted from 635-million-year-old rocks aren't the ...

Polar Climate Affects Trade Wind Strength in Tropics

The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events ...

Piecing Together the Alaska Coastline's Fractured Volcanic Activity

Among seismologists, the geology of Alaska's earthquake- and volcano-rich coast from the Aleutian Islands to the southeast is fascinating, but not well understood. Now, with more sophisticated ...

Former Piece of Pacific Ocean Floor Imaged Deep Beneath China

In a study that gives new meaning to the term 'rock bottom,' seismic researchers have discovered the underside of a rocky slab of Earth's lithosphere that has been pulled more than 400 ...

East African Rift System Is Slowly Breaking Away, With Madagascar Splitting Into Pieces

The African continent is slowly separating into several large and small tectonic blocks along the diverging East African Rift System, continuing to Madagascar - the long island just off the coast of ...

Love Waves from the Ocean Floor

Supercomputer simulations of planetary-scale interactions show how ocean storms and the structure of Earth's upper layers together generate much of the world's seismic waves. Decoding the ...

The Connectivity of Multicomponent Fluids in Subduction Zones

A team of researchers has discovered more about the grain-scale fluid connectivity beneath the earth's surface, shedding new light on fluid circulation and seismic velocity anomalies in ...

Massive explosions of energy happening thousands of light-years from Earth may have left traces in our planet's biology and geology, according to new ...

A Jigsaw Puzzle Made of Ancient Dust

During the last Ice Age about 20,000 years ago, iron-containing dust acted as a fertilizer for marine phytoplankton in the South Pacific, promoting carbon dioxide sequestration and thus the glacial ...

Mystery of Glacial Lake Floods Solved

A long-standing mystery in the study of glaciers was recently and serendipitously solved. A trigger was identified for some of the largest floods on Earth -- those emerging suddenly and unpredictably ...

Past Is Key to Predicting Future Climate, Scientists Say

A group of climate experts make the case for including paleoclimate data in the development of climate models. Such models are used globally to assess the impacts of human-caused greenhouse gas ...

Monitoring Open-Cast Mines Better Than Before

Researchers have evaluated data from the Sentinel 1 satellite mission of the European Union's Copernicus program and thus demonstrated new possibilities for monitoring mining areas. The ...

Magma 'Conveyor Belt' Fuelled World's Longest Erupting Supervolcanoes

Geologists have found that a volcanic province in the Indian Ocean was the world's most continuously active -- erupting for 30 million years -- fueled by a constantly moving 'conveyor ...

The Craters on Earth

A two-volume atlas presents and explains the impact sites of meteorites and asteroids ...

New Drone Technology Improves Ability to Forecast Volcanic Eruptions

Specially-adapted drones have been gathering data from never-before-explored volcanoes that will enable local communities to better forecast future eruptions. The cutting-edge research at Manam ...

New Fault Zone Measurements Could Help Us to Understand Subduction Earthquakes

Researchers have conducted detailed structural analyses of a fault zone in central Japan to identify the specific conditions that lead to devastating earthquake. The seismic slip processes that were ...

Expect More Mega-Droughts

Mega-droughts - droughts that last two decades or longer - are tipped to increase thanks to climate change, according to new ...

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