Elemental and Lead-Hafnium-Neodymium-Strontium Isotopic Composition of a Suite of Northwest Hawaiian Ridge Postshield Lavas
The Hawaiian-Emperor chain, the surface expression of the Hawaiian mantle plume which has been active for at least 81 Ma, is divided into the Emperor Seamounts (81-47 Ma), Northwest Hawaiian Ridge (NWHR, 47-6 Ma), and Hawaiian Islands (&lt;6 Ma). Hawaiian volcanism evolves through four volcanic stages: alkalic …