Fig. 1From: FTIR microspectroscopy of carbonaceous matter in ~ 3.5 Ga seafloor hydrothermal deposits in the North Pole area, Western AustraliaGeologic map of the Dresser Formation in the North Pole area. The localities of the silica vein samples 96NP452 and T-58 are shown (modified from Kitajima et al. 2001)Back to article page