Figure 6.1 (left) is a geological map of what I see when I look out of my window here in Grenoble, a view of the stacked thrust sheets of limestones and marls of the exterior zone of the French Alps. The satellite image on the right shows the distinctive “dome-and-basin” structure that characterises old (>3 Ga) granite-greenstone terrains. The photo is of the old yellowing cover of my copy of a book called Archaean Geology by Glover and Groves (1981). I checked on Google Earth for more recent images of the region but none illustrates the pattern as well....

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