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Data Files:

Data Description:
Data set represents Precambrian basement provinces as mapped by Van Schmus et al. (2007). Data extent covers a rectangular area from northwest North Dakota to northwest South Carolina. 

Source (Internet URL, CD/DVD-ROM):
Digitized from source figure in Van Schmus et al. (2007).

Van Schmus, W.R. Schneider, D.A., Holm, D.K., Dodson, S., and Nelson, B.K., 2007, New insights in the southern margin of the Archean-Proterozoic boundary in the north-central United States based on U-Pb, Sm-Nd, and Ar-Ar geochronology: Precambrian Research v. 157, pp. 80-105.

Data Summary:
ESRI polygon shapefile attributed according to Precambrian basement geology. Digitized at 1:13,500,000. Data are presented in geographic coordinates on the North American Datum of 1983.

Disclaimer or Constraints on Use:
No constraints have been identified.

Figure A-9
Precambrian provinces after Van Schmus et al. (2007)


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