Another PGC International Study Tour
Developed & Managed by Porter GeoConsultancy
Andean Porphyries 2017-18
Porphyry Cu & Au in the Andes
23 to 29 April, 2017  and  4 to 18 June 2018
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  CONTENTS - Regions and deposits
Andean Porphyries 2017-18 has been designed in two parts 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 are planned to include:
  • 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,
    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 is to be presented in two parts, Andean Porphyries 2017, which took in deposits in Chile, whilst the second, Andean Porphyries 2018 is planned to include deposits from southern Peru to northern Ecuador in June 2018  -  if the mines/projects involved (or alternatives) confirm approval for the visits requested.
Participants may take any 3 or more days, up to the full tour, as suits their budget, availability and interest.
Deposits on the planned itineraries include the following:
  Andean Porphyries 2017  23 to 29 April, 2017   Andean Porphyries 2018    4 to 18 June, 2018
   Central Andes
      Rio Blanco/Andina - Miocene/Pliocene breccia/porphyry Cu-Mo, Chile
      Collahuasi - Eocene to Oligocene porphyry Cu-Mo, northern Chile
      Chuquicamata - Eocene to Oligocene porphyry Cu-Mo, northern Chile
      Antucoya  - Cretaceous porphyry Cu, Chile


This segment of the tour has been successfully completed
   Central Andes  &  Bolivian Orocline
      Cerro Verde - Paleocene to Eocene porphyry Cu-Mo, southern Peru
      Las Bambas - Eocene to Oligocene porphyry/skarn Cu-Au-Mo, Peru
   Peruvian Andes
      Antamina - Miocene porphyry/skarn Cu-Zn-Mo-Ag, Peru
      Yanacocha - Miocene porphyry/lithocap/epithermal Au-Cu, Peru
      La Granja - Miocene porphyry Cu-Mo, Peru
   Northern Andes
      Cascabel - Eocene porphyry Cu-Au, northern Ecuador

Requests for visits in June 2018 have been forwarded to all of the mines or projects named above, although it is too early for some to commit to firm dates at this stage. If any decline, alternates will be sought.
Register Interest   in   Andean Porphyries 2018

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For more information contact:   T M (Mike) Porter, of Porter GeoConsultancy   (mike.porter@portergeo.com.au)

This tour, is being designed, developed, organised, managed and will be escorted by
T M (Mike) Porter of Porter GeoConsultancy Pty Ltd.

Porter GeoConsultancy Pty Ltd
6 Beatty Street
LINDEN PARK, 5065
South Australia
Telephone: +61 8 8379 7397
Mobile: +61 422 791 776



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