Geochemical Characteristic and Source Correlation of Biodegraded Oils from the Western Halaalate Area of Junggar Basin

Figure 7

Naphthalene mass chromatograms of biodegraded oil and mudstone samples from Western Halaalate and Mahu Depression. 1 = naphthalene; 2 = 2-methyl naphthalene; 3 = 1-methyl naphthalene; 4~10 are dimethyl naphthalene series; 11~20 are trimethyl naphthalene series; 21~27 are tetramethylnaphthalene series.