Tag: volcanism
Walk in Ardèche | Case
We will walk in the volcanic mountain, very close to the sources of the Loire, Sainte-Eulalie and the route des sucs, these phonolite mountains so typical of the region. We…
Andesitis: what is it?
Andesites are part of the large family of volcanic rocks. Of color Light gray that can go to black, andesite has a microlitic structure, which means that the majority of…
A volcanic fertilization of the oceans would have led to one of the largest mass extinctions
Scientists at the University of Southampton studied the effects of volcanic materials on ocean chemistry at the end of the Ordovician, around 450 million years ago, in an attempt to…