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, Table 1. Samples analyzed for whole-rock (WR) [Mo] and in-situ

, SA = standard addition 1012

. Icp-ms,

, LA = laser ablation ICP-MS

, The SiO 2 1013 (measured by the listed reference) and Mo values given are for the whole rock with 2? 1014 representing internal error. Three samples were replicated by isotope dilution and those values 1015 are designated as "rep". Complete whole rock major and trace element data can be, MB = mass balance attained? (yes or no)

, Secondary standards analyzed by laser ablation and standard addition, Concentrations 1019 are in µg/gppm. LA = Laser ablation-ICP-MS and SA = Standard addition whole rock-ICP-MS

, BHVO-1 and AGV-2 were measured during the same analytical session as data reported in 1021

. Greaney, Complete analytical methods can be found in the supplementary 1022 information, 2017.

, Table 3. Mean Mo concentrations in all minerals analyzed (including granitic rocks and basalts)

, Analyses of sulfides, 1026 quartz, amphibole, K-feldspar, zircon, plagioclase, and epidote were occasionally below the 1027 detection limits (~0.01 µg/gppm), so the detection limit of 0.01 µg/gppm was included in place 1028 of those analyses when calculating the mean concentration. Therefore, these data may be skewed 1029, 2? represents two standard deviations of the mean of repeated analyses