Comparison AH 11110 average Re and Os concentrations and their isotopic ratios for various geological samples.Sample typeRe (ng/g)Os (ng/g)Re/Os (wt. ratio)187Re/188OsRe/TOC (×10−10×10−10)Os/TOC (×10−10×10−10)ReferenceMarine-influenced coal1080.52210395414396.87[1](78.2–125.4; n = 19)(0.35–0.62; n = 19)(201–224; n = 19)(3299–5134; n = 19)(1025–1688; n = 8)(4.57–8.32; n = 8)Terrestrial coal1.210.03633.723118.00.52[2](0.10–4.82; n = 5)(0.018–0.047; n = 5)(4.8–138; n = 5)(26.0–977; n = 5)(1.3–72.9; n = 5)(0.24–0.68; n = 5)Tree leavesc∼0.2∼0.006∼33–2.0b0.06b[3](<0.02)River sedimentsa0.810.04815.089.6906116[4–8](0.007–7.89; n = 96)(0.003–0.223; n = 113)(0.9–144; n = 95)(5.6–902; n = 95)(95–16,060; n = 62)(14.92–360; n = 62)Lacustrine sediments28.30.3289538347137.3[9](10.5–83.5; n = 39)(0.11–0.56; n = 39)(51–279; n = 39)(297–1831; n = 39)(1034–11,513; n = 35)(14.0–74.5; n = 35)Phanerozoic black shalesa68.00.738371720,662243[1, 10–17](0.14–1376; n = 387)(0.02–20.9; n = 387)(2.8–1100; n = 387)(14.2–6253; n = 380)(638–258,668; n = 246)(15.77–5114; n = 246)Phanerozoic shales (anoxic)a56.10.736846116,034242[1, 10–15](0.14–1376; n = 341)(0.02–20.9; n = 341)(2.8–1100; n = 341)(14.2–5314; n = 334)(638–133,333; n = 200)(15.77–5114; n = 200)Phanerozoic shales (euxinic)2030.88189296453,958258[16–17](2.08–1213; n = 46)(0.09–5.3; n = 46)(20.4–289; n = 46)(109–6253; n = 46)(2701–258,668; n = 46)(39.46–1126; n = 46)aAverage values are calculated after rejecting a few outliers.bTOC-normalized ratios are estimated assuming 100% organic matter in tree leave samples.cExcluding Lichen and humus samples with relatively higher Os (0.06–0.70 ng/g) and lower Re (∼0.07 ng/g) concentrations [3]. [1]: Present study; [2]: Baioumy et al. (2011); [3]: Rodushkin et al. (2007); [4]: Singh et al. (2003); [5]: Paul (2008); [6]: Galy et al. (2008) (used for TOC data of [4–5]); [7]: Huh et al. (2004); [8]: Chen et al. (2006); [9]: Cumming et al. (2012); [10]: Selby (2007); [11]: Selby et al. (2009); [12]: Pasava et al. (2010); [13]: Tripathy et al. (2014) and references therein; [14]: Xu et al. (2014); [15]: Georgiev et al. (2015); [16]: Georgiev et al. (2011); [17]: Geboy et al. (2015).Full-size tableTable optionsView in workspaceDownload as CSV
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