The Rompas Prospect, Peräpohja Schist Belt, Northern Finland

E. Vanhanen, N. D.J. Cook, M. R. Hudson, L. Dahlenborg, J. P. Ranta, T. Havela, J. Kinnunen, F. Molnár, A. R. Prave, N. H.S. Oliver

Research output: Chapter in Book/Report/Conference proceedingChapter

13 Citations (Scopus)

Abstract

The Rompas prospect in the Ylitornio municipality is one of the most exciting recent discoveries in Finland. Spectacular bonanza grades, with abundant visible gold in association with uraninite, are hosted within deformed dolomite-calc-silicate-quartz veins in metabasalts along a 6-km-long ridgeline. The highest gold grades are associated with texturally late, sulfur-bearing pyrobitumen inferred to have formed at least 150° cooler than peak metamorphic conditions, approximately 150 million years after the crystallization of the vein-hosted uraninite.

Original languageEnglish
Title of host publicationMineral Deposits of Finland
PublisherElsevier Inc.
Pages467-484
Number of pages18
ISBN (Electronic)9780124104761
ISBN (Print)9780124104389
DOIs
Publication statusPublished - Jun 23 2015

Keywords

  • Calc-silicate
  • Dolomite
  • Finland
  • Gold
  • Peräpohja
  • Pyrobitumen
  • Rompas
  • Svecofennian orogeny
  • Uraninite
  • Uranium

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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    Vanhanen, E., Cook, N. D. J., Hudson, M. R., Dahlenborg, L., Ranta, J. P., Havela, T., Kinnunen, J., Molnár, F., Prave, A. R., & Oliver, N. H. S. (2015). The Rompas Prospect, Peräpohja Schist Belt, Northern Finland. In Mineral Deposits of Finland (pp. 467-484). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-410438-9.00018-2