Improving confidence in ferromanganese crust age models: A composite geochemical approach Josso, Pierre ; Parkinson, Ian ; Horstwood, Matthew ; Lusty, Paul ; Chenery, Simon ; Murton, Bramley Abstract Publication: Chemical Geology Pub Date: May 2019 DOI: 10.1016/j.chemgeo.2019.03.003 Bibcode: 2019ChGeo.513..108J