• Published 2017

The Late Miocene Middle Cauca Au-Cu Porphyry Belt , Colombia : Time-Space Distribution of Magmatism and Controls on Au Mineralization

@inproceedings{LealMeja2017TheLM,
  title={The Late Miocene Middle Cauca Au-Cu Porphyry Belt , Colombia : Time-Space Distribution of Magmatism and Controls on Au Mineralization},
  author={Hildebrando Leal-Mej{\'i}a and Thomas Bissig and Craig Richard Hart},
  year={2017}
}
The Middle Cauca Belt in west-central Colombia contains a number of porphyry (e.g. Titribí, Nuevo Chaquiro) and low to intermediate-sulfidation epithermal deposits (e.g. Marmato, Zancudo), ranging in age from ~ 9 to 5.6 Ma. The deposits are hosted in the Romeral melange, a tectonized basement complex containing Mesozoic oceanic and older metamorphic rocks, overlain by Oligocene siliciclastic and middle to upper Miocene arcvolcanic rocks. The porphyry deposits are generally goldrich although… CONTINUE READING

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