https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=321678
Geological Society of America, 2016
The core of Laurentia formed during the growth of the supercontinent Nuna (or Columbia) between ca. 1.98 and 1.79 Ga ago. It consists of large Archean cratons...
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