Cobalt may have played in important role in the early development of life on Earth, and been more available to ancient life than modern due to the higher mafic composition of early continents.
Archean
Posted inResearch Spotlights
Archean Rocks in the Acasta Gneiss Complex
Studying Archean-age gneissic and schistic rocks in northwestern Canada, researchers determined that the source of these rocks formed 4.3 billion years ago.