Extensional deformation with northwest vergence, Pioneer core complex, central Idaho

@inproceedings{Wust1986ExtensionalDW,
  title={Extensional deformation with northwest vergence, Pioneer core complex, central Idaho},
  author={Stephen Louis. Wust},
  year={1986}
}
The Pioneer Mountains of Idaho contain a detachment fault that separates a lower-plate core of Precambrian and Ordovician metasedimentary rocks and Cretaceous and Eocene plutonic bodies from a surrounding upper plate of Paleozoic sedimentary and Tertiary sedimentary and volcanic units. The detachment system developed during Tertiary extension, and it overprinted Paleozoic and Mesozoic east-directed compressional features. Beneath the detachment, both brittle and ductile (mylonitic) deformation… CONTINUE READING