The Relative Abundances of Resolved L2ch2d2 and 13CH3D And
Available online at www.sciencedirect.com ScienceDirect Geochimica et Cosmochimica Acta 203 (2017) 235–264 www.elsevier.com/locate/gca l2 13 The relative abundances of resolved CH2D2 and CH3D and mechanisms controlling isotopic bond ordering in abiotic and biotic methane gases E.D. Young a,⇑, I.E. Kohl a, B. Sherwood Lollar b, G. Etiope c,d, D. Rumble III e, S. Li (李姝宁) a, M.A. Haghnegahdar a, E.A. Schauble a, K.A. McCain a, D.I. Foustoukos e, C. Sutclife b, O. Warr b, C.J. Ballentine f, T.C. Onstott g, H. Hosgormez h, A. Neubeck i, J.M. Marques j,I.Pe´rez-Rodrı´guez k, A.R. Rowe k, D.E. LaRowe k, C. Magnabosco l, L.Y. Yeung m, J.L. Ash a, L.T. Bryndzia n a University of California Los Angeles, United States b University of Toronto, Canada c Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma 2, Italy d Faculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Romania e Carnegie Institution of Washington, United States f University of Oxford, United Kingdom g Princeton University, United States h Istanbul University, Republic of Turkey i Stockholm University, Sweden j Universidade de Lisboa, Portugal k University of Southern California, United States l Simons Foundation, United States m Rice University, United States n Shell International Exploration and Production Inc., United States Received 11 August 2016; accepted in revised form 31 December 2016; Available online 11 January 2017 Abstract 12 13 We report measurements of resolved CH2D2 and CH3D at natural abundances in a variety of methane gases produced 12 13 naturally and in the laboratory.
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