1 projets européens trouvés
Recherche sur 125080 projets européens
TERMINÉ
The Earth in Transition: from Earliest Crust to Earliest Preserved Rocks (HADEAN)
Date du début: 15 août 2011, Date de fin: 14 août 2014,
"Current knowledge of the nature and origin of the earliest crust on Earth comes largely from studies of the mineral zircon. The oldest zircon crystals from Jack Hills in Australia provide a wealth of information and represent a time capsule of what the Earth was like from 4.4 to 4.0 Ga during the Hadean. These zircons are detrital grains preserved in much younger rocks, and no known rocks of this ...
Voir le projet