Geochemistry and U–Pb geochronology of detrital zircons in the Brujas beach sands, Campeche, Southwestern Gulf of Mexico, Mexico

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Journal of South American Earth Sciences, ISSN: 0895-9811, Vol: 76, Page: 346-361

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Hector J. Tapia-Fernandez; John S. Armstrong-Altrin; Kandasamy Selvaraj
Elsevier BV
Earth and Planetary Sciences
article description
This study investigated the bulk sediment geochemistry, U–Pb ages and rare earth element (REE) geochemistry of one hundred detrital zircons recovered from the Brujas beach sands in southwestern Gulf of Mexico to understand the provenance and age spectra. The bulk sediments are high in Zr and Hf contents (∼1400–3773 ppm and ∼33–90 ppm, respectively) suggested the abundance of resistant mineral zircon. The chondrite normalized REE patterns of the bulk sediments are less fractionated with enriched low REE (LREE; La CN /Sm CN  = ∼491–693), depleted heavy REE (HREE; Gd CN /Yb CN  = ∼44–69) and a negative Eu anomaly (Eu/Eu ∗  = ∼0.44–0.67) suggested that the source rock is felsic type.