Geology, mineralization, hydrotherinal alteration asid age of the San Francisco gold deposit, Sonora­a mesothermal ore deposit in northwestern Mexico

  • Efrén Pérez-Segura Departamento de Geología, Universidad de Sonora, 83000 Hermosillo, Sonora, México.
  • Alain Cheilletz Centre de Recherches Pétrographiques et Géochimiques, BP. 19, Vandoeuvre-les-Nancy, France.
  • Saúl Herrera-Urbina Departamento de Geología, Universidad de Sonora, 83000 Hermosillo, Sonora, México.
  • Y. J. Hanes Department of Geological Sciences, Queen's University, Kingston, Canada K7L 3N6.
Keywords: San Francisco, gold, telurides, fluid inclusions, ages, mesothermal deposits.

Abstract

The San Francisco gold deposit is located 145 km north of Hermosillo, Sonora. Its geology includes a Precambrian metamorphic-igneous complex, a Jurassic meta-volcanosedimentary sequence and small bodies of Tertiary intrusions. The mineralization is hosted in a leucocratic deformed granite affected by Tertiary hydrothermal alteration… in order to continue, download the full paper in PDF.

 

Published
2019-01-07
Section
Articles