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Table 2 La/Ba and Ce/Ba ranges for various geologic and hydrologic materials

From: A single column separation method for barium isotope analysis of geologic and hydrologic materials with complex matrices

Material La/Ba Ce/Ba References
Upper Continental Crust 0.056 0.12 [47]
Lower Continental Crust 0.071 0.15 [47]
Ocean Ridge Basalts 0.3–53 0.045–10 [48]
Peridotite 0.019–0.48 0.0033–2.0 [49]
Shale 0.023–0.071 0.11–0.15 [47, 50]
Marine carbonate 0.00037–0.077 0.00029–0.20 [51, 52]
Barite 0.000012–0.00055 0.000006–0.00053 [53]
Seawater (average) 0.00037 0.000046 [54]
River water (global average) 0.0052 0.011 [55]