Leaching, Physicochemical or geochemical

• Olsson, J., Stipp, S. L. S., Dalby, K. N., Gislason, S. R., (2013), Rapid release of metal salts and nutrients from the 2011 Grímsvötn, Iceland volcanic ash, Geochimica et Cosmochimica Acta, 123, 134-149, 10.1016/j.gca.2013.09.009