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Leucogranitic lenses are found within the Xiwan ophiolitic mélange in northeastern Jiangxi Province, South China. The leucogranites occur exclusively within the serpentinized peridotite unit of the ophiolite suite. SHRIMP U–Pb zircon dating results indicate that these granites were formed at 880±19 Ma, and were overprinted by an Indosinian tectono-thermal event at ~ 230 Ma. The leucogranites are peraluminous...
Geochemical and Nd isotopic data are reported for the ca. 970Ma albite granites within the Neoproterozoic NE Jiangxi ophiolite, South China. These granites are high in Al 2 O 3 (15-17%), Na 2 O (7.3-8.5%), Mg# (43-62), Sr (383-920ppm), Sr/Y (166-444) and Y/Yb (12-14), but low in K 2 O (0.2-0.6%), TiO 2 (<0.3%), P 2 O 5 (<0.1%). Furthermore,...
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