− | [[:file:surface-geochemical-exploration-for-petroleum_fig18-1.png|Figure 1]] shows examples of contrasting seepage styles and migration pathways from the Gulf of Mexico and the North Sea. | + | [[:file:surface-geochemical-exploration-for-petroleum_fig18-1.png|Figure 1]] shows examples of contrasting seepage styles and migration pathways from the [[Gulf of Mexico]] and the North Sea. |