Search results for Geology Lithosphere

Earth Sciences Nov 1, 2023

New insights into the India–Asia collision in the Western Himalayas dating back to circa 55 million years

Hundreds of millions of years ago, the surface of the Earth looked very different from how we see it today. There were just two continents: Laurasia and Gondwanaland. The present Indian subcontinent was part of Gondwanaland, ...

Earth Sciences Jul 29, 2023

We've discovered how diamonds make their way to the surface and it may tell us where to find them

"A diamond is forever." That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity.

Earth Sciences Jul 27, 2023

New geology study cracks the code of what causes diamonds to erupt

New research into the forces that bring diamonds to the surface from deep in the Earth's mantle could help locate undiscovered diamond deposits, say Macqurie University geologists.

Earth Sciences Jul 7, 2023

Why earthquakes happen all the time in Britain but not in Ireland

The village of Tean in Staffordshire, England, was hit by a 3.3-magnitude earthquake on June 28 2023. The tremors caused windows and doors to rattle in the surrounding area.

Earth Sciences Jun 20, 2023

Scientists unearth 20 million years of 'hot spot' magmatism under the Cocos Plate

Ten years ago, Samer Naif made an unexpected discovery in Earth's mantle: a narrow pocket, proposed to be filled with magma, hidden some 60 kilometers beneath the seafloor of the Cocos Plate.

Earth Sciences Jun 12, 2023

Geologists challenge conventional view of Earth's continental history, stability with new study

The seemingly stable regions of the Earth's continental plates—the so-called stable cratons—have suffered repetitive deformation below their crust since their formation in the remote past, according to new research from ...

Earth Sciences Jun 9, 2023

Seismic waves convey lithospheric delamination mechanism in South China

A research team led by Prof. Zhang Haijiang from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences, and Prof. Hou Zengqian from Chinese Academy of Geological Sciences, revealed the ...

Earth Sciences Jun 6, 2023

Roadblocks and speed limits: Geoscientists study Alaska's Denali fault

The 1,200-mile-long Denali Fault stretches in an upward arc from southwestern Alaska and the Bering Sea eastward to western Canada's Yukon Territory and British Columbia. The long-lived and active strike-slip fault system, ...

Earth Sciences Apr 19, 2023

Plate tectonics in the Pacific and Atlantic during the Cretaceous period shaped the Caribbean region

Earthquakes and volcanism occur as a result of plate tectonics. The movement of tectonic plates themselves is largely driven by the process known as subduction. The question of how new active subduction zones come into being, ...

Earth Sciences Mar 23, 2023

Study: Lithosphere architecture controls the formation of orogenic gold deposits

Professor Zhang Haijiang from the School of Earth and Space Sciences, University of Science and Technology of China (USTC), in collaboration with academician Hou Zengqian from the Institute of Geology, Chinese Academy of ...

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