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Journal of Palaeogeography
Fig. 16 | Journal of Palaeogeography

Fig. 16

From: Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment

Fig. 16

Tectonic discrimination diagrams for the Riachuelos (blue circles) and Palma Sola (red squares) beach sediments, based on a and b major element and c and d trace element concentrations (after Verma and Armstrong-Altrin 2016). The function DF(AP)M is derived from an equation: DF(AP)M = (3.0005 × ilr1TiM) + (− 2.8243 × ilr2AlM) + (− 1.0596 × ilr3FeM) + (− 0.7056 × ilr4MnM) + (− 0.3044 × ilr5MgM) + (0.6277 × ilr6CaM) + (− 1.1838 × ilr7NaM) + (1.5915 × ilr8KM) + (0.1526 × ilr9PM)−5.9948. The function DF(AP)MT is derived from an equation: DF(AP)MT = (3.2683 × ilr1TiMT) + (5.3873 × ilr2AlMT) + (1.5546 × ilr3FeMT) + (3.2166 × ilr4MnMT) + (4.7542 × ilr5MgMT) + (2.0390 × ilr6CaMT) + (4.0490 × ilr7NaMT) + (3.1505 × ilr8KMT) + (2.3688 × ilr9PMT) + (2.8354 × ilr10CrMT) + (0.9011 × ilr11NbMT) + (1.9128 × ilr12NiMT) + (2.9094 × ilr13VMT) + (4.1507 × ilr14YMT) + (3.4871 × ilr15ZrMT)−3.2088

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