The Earth’s crust is disappearing right beneath our feet – and most people don’t even realise it. Now, if you’re a geologist, ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

The crust of Earth, the planet's outer shell, is divided into two rough categories: The older, ... A cross section of Earth showing the various layers that make up the planet.

This new volume from the Geological Society of America provides a synthesis of crustal cross sections with a special emphasis on the western North American Cordillera. From the North American ...

Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research finds. This early rocky shell featured chemical signatures previously ...

AMES, Iowa – The Earth of 3.2 billion years ago was a “water world” of submerged continents, geologists say after analyzing oxygen isotope data from ancient ocean crust that’s now exposed on land in ...

Cross-section of the crust south of Perth showing dykes picking up 3.4 billion-year-old zircon from depth and bringing it to the surface. The inset zoom-in shows the armouring of this ancient ...

Known as lithospheric dripping—named for the fragmenting of rocky material that makes up Earth's crust and ... Next, the upper-most solid section of ... The researchers then cross ...

Researchers have discovered a hidden part of Earth's crust in a Finnish outcrop in Northern Europe. (Image credit: Andreas Petersson) Previous research uncovered evidence for early Archean crust ...

The oldest rocks in Australia, which are some of the oldest on Earth, are found in the Murchison district of Western Australia, 700 kilometres north of Perth. ... Cross-section of the crust south of ...

Geologists determine early Earth was a 'water world' by studying exposed ocean crust Date: March 2, 2020 Source: Iowa State University Summary: Geologists have studied exposed, 3.2-billion-year ...