Robuta

https://www.usgs.gov/publications/magmatic-differentiation-uwekahuna-laccolith-kilauea-caldera-hawaii Magmatic differentiation in the Uwekahuna Laccolith, Kilauea Caldera, Hawaii | U.S. Geological... Petrographic and chemicoal studies of a suite of rocks from the Uwekahuna laccolith of Kilauea Volcano show that the original mafic tholeiitic magma... magmatic differentiationin the