| | Report (issue) | early block/microcontinent amalgamation Superior Province early cratonization-harzburgite keels InversIon...ea. 3.0 to 2.7 Ga, duLing vvhich the Superior province was developed and asse1nbled, was a period of...Compston, 'vY., I 989, 3.96 Ga gneiss from the Slave province. Nonhwe~tern Territories. Canada: Geology. v....older igneous and 1netamorphic cratonic rock (i.e., Peru and Chile) and the magrnatic massifs of Cenozoic...(Guatemala southeast to Panama) Colombia Ecuador Peru Northern Chile (south to 33°S) Central Chile (33°-45°S) |
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