Both life and geological processes get their start in the Archaean era amidst a brew of atmospheric gases that probably includes methane and ammonia but little or no free oxygen. As Earth cools ...

Rocks that formed some 3.7 billion years ago in the early Archean have given us the earliest glimpse yet of Earth's magnetic ...

Protected from beneath by rising plutons of granite, and later buried by a thick layer of Transvaal sediments, this 340 million year sequence of Archaean lavas and sediments has escaped both ...

Today, life on Earth depends on the availability of free oxygen, whether in the atmosphere, oceans or aquatic systems. However, oxygen concentrations were low and variable for most of the first ...

Aldersons, F. Ben-Avraham, Z. Hofstetter, A. Kissling, E. and Al-Yazjeen, T. 2003. Lower-crustal strength under the Dead Sea basin from local earthquake data and ...

Striving to make mining an essential pillar of the Ivorian economy, the Professional Group of Miners of Côte d’Ivoire (GPMCI) ...

The four FIRE transects cross-cut several geologically and economically important features of Fennoscandian Shield such as the Archaean–Proterozoic boundary and Outokumpu ore district. The original ...