In situ EMPA and SIMS investigation of mineral geochemistry of mantle xenolit...

Mantle xenoliths are hosted in lavas localized in the Nemby area (25°24' S, 57°32' W; Asunciòn-Sapucai-Villarrica graben, ASV, central Paraguay: Fig.1), where a small...地幔捕虏体（mantle xenoliths）赋存于分布于内姆比（Nemby）地区的熔岩中，该地区地理坐标为南纬25°24′、西经57°32′，地处巴拉圭中部的亚松森-萨普卡伊-比亚里卡地堑（Asunciòn-Sapucai-Villarrica graben，ASV），详见图1，此处存在一处小型……