Tag: Geology
This map betrays the magnetic signatures of the telluric forces that shaped the Earth
The map of the Earth’s magnetic field has been enriched with a new model making it possible to better understand the thermal state of the Earth’s crust, to perceive the…
Hercynian chain: what is it?
The Hercynian range, also called the Variscan range, is a large mountain range that has now disappeared. His training began in Devonian, over 400 million years ago, when the continents…
The Digne ammonite slab: why such a large concentration of fossils?
Emblematic site of the Haute-Provence geological nature reserve, the Dalle aux ammonites de Digne has an impressive concentration of fossils. In what environment did these Jurassic marine animals settle? Is…
Listen to the sound of the Earth to build an accurate image
How to image the interior of the earth’s crust? Seismic imagery provides solutions but its depth of investigation remains limited. However, researchers have just developed a new method based on…