Document S1:  Sources of supplementary data

Geochronologic and ore deposit data used in this reconstruction were derived from two databases developed for the IGCP 509 project: the DateView geochronology database and the StratDB database3. These databases hold linked information compiled over the past 5-10 years. Information in the DateView database has been drawn from numerous publications and from other compilations such as the Geological Survey of Canada’s Geochronology Knowledgebase; the USGS K-Ar and Ar-Ar database; the geochronology GeoBank of the Brazilian geological survey (CPRM); the geochronology database of the Swedish geological survey; geochronology compilations by the Geological Survey of Western Australia and of Geoscience Australia; sulphide and feldspar analysis compilations of Thorpe (2008) 5and of Godwin et al. (1988) 4; ore deposit information from the Geological Survey of Canada (Chorlton, 2007) 2. References and sources of data are available online in the DateView and StratDB databases, accessible at http://sil.usask.ca/Databases.   As of October 2013, there are more than 106,000 summary age and initial ratio records in the system; more than 30,000 individual detrital zircon analyses; > 10,000 lithostratigraphic unit records for hundreds of structural domains; several hundred dyke swarms and large igneous records; about 15,000 ore deposits and more than 14,000 Pb isotope analyses for sulphide and oxide minerals from many of these deposits. All probability density function curves illustrated in this paper were calculated by the DateView and StratDB software interfaces and are based on an ‘AND’ Gaussian summation.
	The accompanying table of palaeopoles used in the reconstruction (Table S1) link to the movie (Movie S1) where they display as VGP poles with associated uncertainty ellipspes.  The individual plates depicted in the figures, supplementary figures and movie are provided in Supplementary zipped file S1, suitable for use with the open-source GPlates plate reconstruction software.  Orogens involved in the reconstruction are provided in Table S2 with geographic coordinates plotting at the approximate centroid of each orogen.

Supplementary Information Reference List

	1	K. L. Buchan and R. E. Ernst, "Diabase Dyke Swarms and Related Units in Canada and Adjacent Regions,"in  2022A ed.(Geological Survey of Canada, Ottawa, 2004).
	2	L. Chorlton, "Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database" GSC Open File 5529, 2007.
	3	B. M. Eglington, S. M. Reddy, and D. A. D. Evans, "The IGCP 509 Database System: Design and Application of a Tool to Capture and Illustrate Litho- and Chrono-Stratigraphic Information for Palaeoproterozoic Tectonic Domains, Large Igneous Provinces  and Ore Deposits; With Examples From Southern Africa,"in  323 ed. edited by S. M. Reddy, R. Mazumder, and D. A. D. Evans (Geological Society, London, 2009), pp.27-47.
	4	C. I. Godwin, J. E. Gabites, and A. Andrew, "Leadtable: A Galena Lead Isotope Database for the Canadian Cordillera, with a Guide to its Use by Explorationists" British Columbia Geological Survey Paper 1988-4, 1988.
	5	R. I. Thorpe, "Release of lead isotope data in 4 databases: Canadian, Western Superior, foreign, and whole rock and feldspar" GSC Open file 5664, 2008.