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We are extremely grateful to R. Raiswell, S. Bates, W. Gilhooly, B. Gill, J. Owens, A. Khong, P. Marenco, N. Planavsky, C. Reinhard, M. Rohrssen, C. Scott, S. Severmann, J. Huang, L. Feng, H. Chang, and Q. Zhang for laboratory and field assistance and helpful discussions. The NSF Earth Sciences program (grant EAR-0720362 to G.D.L and T.W.L. and grant EAR-0719493 to A.L.S.), National Science Foundation of China Fund (grant 40532012 to X.C.), the Chinese Academy of Sciences Fund (grant KZCX3-SW-141 to X.C.), the NASA Astrobiology Institute, and the Agouron Institute provided funding.
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We are extremely grateful to R. Raiswell, S. Bates, W. Gilhooly, B. Gill, J. Owens, A. Khong, P. Marenco, N. Planavsky, C. Reinhard, M. Rohrssen, C. Scott, S. Severmann, J. Huang, L. Feng, H. Chang, and Q. Zhang for laboratory and field assistance and helpful discussions. The NSF Earth Sciences program (grant EAR-0720362 to G.D.L and T.W.L. and grant EAR-0719493 to A.L.S.), National Science Foundation of China Fund (grant 40532012 to X.C.), the Chinese Academy of Sciences Fund (grant KZCX3-SW-141 to X.C.), the NASA Astrobiology Institute, and the Agouron Institute provided funding.
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