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Short course on iron-oxide (Cu-Au) deposits.
With examples from Carajas, Brazil, and from Northern Chile

Vendredi 11.1.2002, salle 201, 9.00-17.00

Prof. Robert Marschik, Univ. München

With contributions from A. de Haller and K. Requia (Genève)

Punta del Cobre Cu-Au District, Northern Chile. (Polished section //N)

Morning: Introduction
   - Historical perspective
   - Economic significance
   - Features of iron-oxide (Cu-Au) systems
   - Classification and terminolgy
   - Description of selected Archean, Proterozoic and Mesozoic occurrences
   - Genetic hypothesis

Case studies:
   - The Cretaceous Candelaria-Punta del Cobre system, Chile
   - The Archean(?)-Early Proterozoic Sossego deposit, Brazil

Afternoon: Practical part
   Alteration types, mineralization, and paragenetic characteristics in handspecimens and under the microscope

The short course will be given in English. Registration by e-mail to Lluis.fontbote@terre.unige.ch until January 5th.

[Seminars]

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