Figure 5
From: Carbon and Nitrogen Speciation in N-poor C-O-H-N Fluids at 6.3 GPa and 1100–1400 °C

Diversity of alkanes, alkenes, and oxygenated hydrocarbons revealed by GC-MS analysis in quenched C-O-H-N fluids as a function of normalised areas of H2O at 6.3 GPa, 1400 °C, run duration ≥2 hours in MMO-buffered fH2 and in unbuffered experiments. Letter symbols are same as in Fig. 2.