The Damaping basalts are part of Hanoba basalt plateau covering an area of 1700 km^2 from Congli to Shangyi counties, northern Hebei Province. The basalts are of Late Tertiary period. The Damaping basalt is particular...The Damaping basalts are part of Hanoba basalt plateau covering an area of 1700 km^2 from Congli to Shangyi counties, northern Hebei Province. The basalts are of Late Tertiary period. The Damaping basalt is particularly noteworthy for abundant large ultramafic inclusions. Our objective is to use the rare earth element data to investigate their petrogenesis. Detailed petrographic, geochemical and mineralogical descriptions will be published elsewhere. REE were determined by instrumental neutro-activa-展开更多
文摘The Damaping basalts are part of Hanoba basalt plateau covering an area of 1700 km^2 from Congli to Shangyi counties, northern Hebei Province. The basalts are of Late Tertiary period. The Damaping basalt is particularly noteworthy for abundant large ultramafic inclusions. Our objective is to use the rare earth element data to investigate their petrogenesis. Detailed petrographic, geochemical and mineralogical descriptions will be published elsewhere. REE were determined by instrumental neutro-activa-
