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Fall 2018
The Tussaap ultramafic complex (TUC) is located within the ~3.65 to 3.81 Ga Itsaq Gneiss complex of southern West Greenland. The TUC is part of numerous ultramafic enclaves in the Itsaq Gneiss complex that are thought to predate the gneisses. Some of these enclaves have been interpreted as...
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Fall 2022
Resolving important fundamental questions about the petrogenesis of cratonic lithosphere is difficult in ancient cratons that have long and complex histories. Several properties of cratons are poorly constrained and our understanding of their petrogenesis largely remains ambiguous. In the Archean...
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Sediment-hosted Zn-Pb-Ag mineralization in the Red Dog district, Alaska, USA: pre-ore environments and mineralizing processes
DownloadSpring 2019
Sediment-hosted massive sulfide (SHMS) deposits are an important source of global zinc resources, and the Red Dog Pb-Zn-Ag district in Alaska (USA) contains giant deposits of this type. The existing model for ore formation at Red Dog involves early diagenetic replacement of sediment deposited in...