Geochronology and geochemistry of Paleoproterozoic metamorphic rocks in the Midcontinent

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Authors: Ross Salerno, Jay M. Thompson, William F. Cannon
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Abstract

We present isotopic and geochemical data for several Archean and Paleoproterozoic metamorphic rocks in the Penokean orogen, USA. These data include new U-Pb and trace element analyses of apatite, titanite, and monazite; bulk rock major and trace element compositions; and whole rock and garnet Lu-Hf and Sm-Nd isotope compositions.

Publication details

Journal / source
USGS DOI Tool Production Environment
Publication date
7 January 2026
Document type
Dataset