fig04.htm

Figure 4. Composite stratigraphic column (schematized) for the ANWR region (see above). http://energy.cr.usgs.gov/OF98-34/ Terrigenous sequences of various origins (1, 2): (1) marine and (2) terrestrial. 3 - limestone; 4 - dolomite; 5 - clay dominated strata; 6 - mudstone; 7 - granite; 8 - basalt; 9 - nondeposition. Red lines, faults. Wavy lines, unconformities.


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