fig08.htm

Figure 8. Sketch map of the Fennoscandian shield. 1 - ancient crustal domains with ages older than 2.9 Ga; 2 - greenstone belts with ages of 2.88-2.80 Ga; 3 - paragneissic belts; 4 - newly generated crust with an age of 2.85-2.74 Ga; 5 - basites dated at 2.88-2.80 Ga.


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