Most of the Wawa gneiss domain consists of variably foliated, gneissic and xenolithic tonalite whose composition, including steep REE patterns, is consistent with ... The Wawa gneisses display a range of ages from 2920 to 2660 Ma (Moser et al., 1991). ... Lepage and Saganash normal faults of probable Proterozoic age, and the Puskuta Lake Fault, a southeast-trending dex- tral ductile shear zone with aanbsp;...
|Title||:||Geology of the precambrian Superior and Grenville Provinces and precambian fossils in North America|
|Author||:||Stephen Bernard Lucas, M. R. St-Onge, Geological Survey of Canada, Decade of North American Geology Project|