A complement to the Superior Compilation previously released, this new publication contains a collection of publicly available geochronology data across the Superior Craton in eastern Canada and the north-central United States. The sources of these data include the Manitoba Geological Survey (MGS), the Ontario Geological Survey (OGS), the Ministère des Ressources naturelles (MERN), the Geological Survey of Canada (GSC), the U.S. Geological Survey (USGS), doctoral dissertations, and personal compilations.
The compilation of geochronology data described here includes over 9500 sample points across the Superior Craton, with an additional 7000 sample points in areas adjacent to the craton. Multiple isotopic systems (e.g., U-Th-Pb, Ar-Ar, Rb-Sr, Sm-Nd, Re-Os) and interpretations (e.g., crystallization age, metamorphic age, maximum depositional Age, and cooling age) are represented by this data.
Download the publication here: Metal Earth Geochronology Compilation: Superior Craton and surrounding area
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