Victoria Carbonate-Base Metal Gold Deposit and Its Significance in the Mankayan Mineral District, Luzon, Philippines

Fernando G. Sajona, Eiji Izawa, Yoshinobu Motomura, Akira Imai, Hiroyuki Sakakibara, Koichiro Watanabe

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The Victoria gold deposit is a low-sulfidation style epithermal carbonate-base metal gold deposit discovered in 1995 in the Mankayan mineral district, northern Luzon, Philippines. It occurs just south of a high-sulfidation copper-gold orebody (Lepanto enargite deposit) and a porphyry copper-gold orebody (Far Southeast (FSE) deposit). Radiometrie dating of the Victoria mineralization yields ages from 1.6 to 1.1 Ma, similar to ages of the Lepanto enargite deposit. Mineralogical, geochemical, fluid inclusion and sulfur isotope studies suggest that the Victoria deposit is not directly related to the late stage of hydrothermal activity that produced the FSE porphyry copper-gold and the Lepanto enargite deposits. The hydrothermal fluids from which Victoria was formed appear to have been derived from the south, and not from the FSE intrusive center to the northeast. This would suggest a regional south to north hydrothermal gradient, consistent with the similar flow within the FSE porphyry-Lepanto enargite system. On a district scale, structures similar to those of the Victoria deposit in trend and nature would be highly prospective, especially if they occur north of identified plutons and volcanic centers.

Original languageEnglish
Pages (from-to)315-328
Number of pages14
JournalResource Geology
Volume52
Issue number4
DOIs
Publication statusPublished - Dec 1 2002

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology

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