Abstract
Tonalitic and trondhjemitic compositions span a narrow range of trondhjemite SiO2 content (65‐74 wt %) and exhibit characteristics of a highAl tonalite‐trondhjemite‐granitoid (TTG) suite, including light rare earth element (LREE) enrichment, low Y, Nb and Rb/Sr, and high Al2O3 and Sr. These compositions are consistent with an
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