Provenance, nature, and U–Pb zircon geochronology of Ngaye rocks (Adamawa‐Yadé Shield, Central Cameroon): New insights into the evolution of Archean crust within the Pan‐African belt
Abstract:and geochronological data obtained from Ngaye highgrade metasedimentary rocks have contributed to determine the provenance, nature, and evolutionary history of the Adamawa-Yadé Domain from the Archean to Pan-African events. The rocks are migmatites formed after TTG and granitic crusts were reworked by partial melting at T = 683-994 C. Geochemical features, for example, low Rb/Sr ratio (0.03-0.53), high Cr/V, and Cr/Th ratios (9.91-100.75; 28.41-686.15), respectively, indicate that these samples were derived pr… Show more
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