Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere

Ward, J. A., Slater, G. F., Moser, D. P., Lindenschmidt, L. H., LacrampeCouloume, G., Bonin, A. S., Davidson, M., Hall, J. A., Mislowack, B., Bellamy, R. E., Onstott, T. C., Lollar, B. S. (2004). Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere, Geochim. Cosmochim. Acta, 68, 3239-3250