fig12.htm

Figure 12. Sketch showing correlation of Archean petrogenesis in the central Karelian domain [Chekulaev et al., 2002]. 1 - supracrustal rocks, 2 - intrusive rocks confined to greenstone belts, 3 - areally extensive granitoids. U-Pb zircon ages for (4) supracrustal rocks, (5) intrusive rocks associated with greenstone belts, (6) areally extensive plutonic rocks. TNd (DM) model ages for (7) supracrustal rocks, (8) intrusive rocks associated with greenstone belts, (9) areally extensive granitoids. 10 -  model ages for rocks marking the domain's boundaries.


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