Geochemistry

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August 21, 2024
Geochemistry, Geology, Geophysics

New study reveals devastating power and colossal extent of a giant underwater avalanche off the Moroccan coast

New research has revealed how an underwater avalanche grew more than 100 times in size causing a massive trail of destruction as it traveled 2000km across the Atlantic Ocean...

August 20, 2024
Geochemistry, Geology, Geophysics

Fossil hotspots in Africa obscure a more complete picture of human evolution

A new study shows how the mismatch between where fossils are preserved and where humans likely lived may influence our understanding of early human evolution.

August 19, 2024
Geochemistry, Geology, Geophysics

Preservation of organic carbon in the ocean floor

The preservation of organic carbon in marine sediments has long been a key question remaining unclear in understanding the long-term carbon cycling on Earth. Recently, scientists have gained new...

August 16, 2024
Geochemistry, Geology, Geophysics

Decoding mysterious seismic signals

Geophysicists find link between seismic waves called PKP precursors and anomalies in Earth’s mantle that are associated with hotspots associated with volcanism on the surface.

August 16, 2024
Geochemistry, Geology, Geophysics

Scottish and Irish rocks confirmed as rare record of ‘snowball Earth’

The study found that the Port Askaig Formation, composed of layers of rock up to 1.1 km thick, was likely laid down between 662 to 720 million years ago...

August 14, 2024
Geochemistry, Geology, Geophysics

Researchers unveil mysteries of ancient Earth

A team of researchers has made strides in understanding the formation of massif-type anorthosites, enigmatic rocks that only formed during the middle part of Earth’s history. These plagioclase-rich igneous...

August 9, 2024
Geochemistry, Geology, Geophysics

Millions of years for plants to recover from global warming

Catastrophic volcanic eruptions that warmed the planet millions of years ago shed new light on how plants evolve and regulate climate. Researchers reveal the long-term effects of disturbed natural...

August 9, 2024
Geochemistry, Geology, Geophysics

Record-breaking recovery of rocks that originated in Earth’s mantle could reveal secrets of planet’s history

Scientists have recovered the first long section of rocks that originated in the Earth’s mantle, the layer below the crust and the planet’s largest component. The rocks will help...

August 5, 2024
Geochemistry, Geology, Geophysics

Greenland fossil discovery reveals increased risk of sea-level catastrophe

Seeds, twigs, and insect parts found under two miles of ice confirm Greenland’s ice sheet melted in the recent past, the first direct evidence that the center — not...

August 5, 2024
Geochemistry, Geology, Geophysics

New model refutes leading theory on how Earth’s continents formed

Computational modeling shows that plate tectonics weren’t necessary for early continents.

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