[[:file:oiloil-and-oilsource-rock-correlations_fig8-6.png|Figure 2]] is a gas chromatogram of an extremely waxy oil from the Paradox basin, Utah. It was sourced from a marine anoxic evaporitic carbonate. Here the waxes, which are not derived from terrestrial plants, show an even-carbon preference, and the pristane-phytane ratio is very low
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[[:file:oiloil-and-oilsource-rock-correlations_fig8-6.png|Figure 2]] is a gas chromatogram of an extremely waxy oil from the Paradox Basin, Utah. It was sourced from a marine [http://www.merriam-webster.com/dictionary/anoxic anoxic] [[Evaporite|evaporitic]] [[carbonate]]. Here the waxes, which are not derived from terrestrial plants, show an even-carbon preference, and the pristane-phytane ratio is very low.