Widespread freshwater carbonate in the Olduvai Basin, a precursor to a major eruption in the East African Rift System

Earth & Environmental Sciences

• Olduvai event 100%
• volcanic eruption 59%
• carbonate 47%
• basin 35%
• tuff 15%
• volcanism 14%
• groundwater 14%
• catena 10%
• phonolite 10%
• trachyte 10%
• playa 9%
• carbonatite 9%
• microfossil 8%
• rare earth 8%
• petrography 8%
• terrane 7%
• land surface 6%
• pond 6%
• geochemistry 6%
• wetland 6%
• limestone 6%
• trace element 5%
• isotope 5%
• aquifer 5%
• porosity 5%
• permeability 5%
• lake 4%
• soil 3%
• water 2%