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1. Paleoproterozoic crust within the Great Falls tectonic zone: Implications for the assembly of southern Laurentia.

Author

Mueller, Paul A., Heatherington, Ann L., Kelly, Dawn M., Wooden, Joseph L., and Mogk, David W.

Subjects
*PLATE tectonics, *MAGMAS, *PRECAMBRIAN stratigraphic geology
Abstract

Examines the paleoproterozoic crust within the Great Falls tectonic zone. Depletion in the high field strength elements typical of convergent margin environments; Indication of magmas principally derived from a depleted mantle source; Origin of rocks at a convergent margin developed during the closure of an ocean basin.

Published
2002
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