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Andean Porphyries 2017-18
Porphyry Cu & Au in the Andes
April, 2017  and  June 2018
Andean Porphyries 2017-18
Porter GeoConsultancy continued it's International Study Tour series of professional development courses, conducted as two separate modules within the Andes of South America in 2017 and 2018 respectively.

  This tour visited a selection of the most significant porphyry Cu-Mo, Cu-Mo-Zn, Cu-Au and Au systems and provinces, from Cretaceous to Pliocene in age and from Chile to northern Ecuador, including 'classic' porphyry, porphyry-skarn, porphyry-breccia and porphyry-epithermal deposits, and supergene derivatives.

  It provided a comprehensive overview of the scope and variability of the occurrence of 'porphyry related' deposits, and their common and contrasting characteristics.

  Participants could take any 3 or more days, up to the full module, as suited their budget, availability or interest.

PHOTO ALBUM  -  See who went & what they saw.
The tour was designed to provide a comprehensive overview of the scope and variability of the occurrence of 'porphyry related' deposits, and their common and contrasting characteristics.   The combined itineraries included:
each of the styles of porphyry related deposits & commodity groupings, including 'classic' porphyry, porphyry-breccia, porphyry-skarn, porphyry- epithermal & supergene deposits  of  Cu-Mo±Zn±Au, Cu-Au & Au±Cu,
• the  three differing, distinct and longitudinally contiguous, geotectonic zones that host significant porphyry mineralisation in the Andean Orogen, namely the Northern, Peruvian and Central Andes,
a representative selection of deposits,   from south-central Chile in the south, to northern Ecuador in the north,
• deposits spread across the principal temporal clusters of emplacement, from Cretaceous to Miocene/Pliocene.

Vicunia in the golden grass
Image:  Vicuña in the golden puna grass of the high Andes
The tour was conducted in two parts, Andean Porphyries 2017 in April 2017, which took in four deposits in Chile, whilst the second, Andean Porphyries 2018 included six major deposits from southern Peru to northern Ecuador in June 2018.
Deposits on the itinerary included:
Andean Porphyries 2017  ..........   23 to 29 April, 2017
Central Andes
  Rio Blanco/Andina  -  Miocene/Pliocene breccia/porphyry Cu-Mo, Chile,   ...  Sun 23 and Mon 24 April, 2017
  Collahuasi  -  Eocene to Oligocene porphyry Cu-Mo, northern Chile,   ...  Tue 25 April, 2017
  Chuquicamata  -  Eocene to Oligocene porphyry Cu-Mo, northern Chile,   ...  Wed 26 and Thu 27 April, 2017
  Antucoya   -  Cretaceous porphyry Cu, Chile,   ...  Fri 28 April, 2017
Andean Porphyries 2018  ...........   4 to 18 June, 2018
Central Andes  &  Bolivian Orocline
  Cerro Verde  -  Paleocene to Eocene porphyry Cu-Mo, SW Peru   ...  Mon 4 and Tue 5 June, 2018
  Las Bambas  -  Eocene to Oligocene porphyry/skarn Cu-Au-Mo, SE Peru   ...  Wed 6 to Sat 9 June, 2018

Peruvian Andes
  Yanacocha  -  Miocene porphyry/lithocap/epithermal Au-Cu, Northern Peru   ...  Sun 10 and Mon 11 June, 2018
  Toromocho  -  Miocene porphyry Cu-Mo(-Ag), Central Peru ...   Tue 12 and Wed 13 June, 2018
  Antamina  -  Miocene porphyry/skarn Cu-Zn-Mo-Ag, Central Peru   ...  Thu 14 to Sat 16 June, 2018

Northern Andes
  Cascabel  -  Eocene porphyry Cu-Au, northern Ecuador   ...  Sun 17 to Mon 18 June, 2018
     
 NOTE: dates listed include travel and altitude acclimatisation days.

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