The Lead and Zinc Ores of the Raibl (Cave del Predil- Northern Italy) Zone: New Metallogenic Data

  • Luciano Brigo
  • Paolo Omenetto
Conference paper
Part of the Schriftenreihe der Erdwissenschaftlichen Kommissionen book series (ERDWISSENSCHAFT, volume 3)


The ore concentration process at Raibl appears to be in connection with the following paleogeographic and paleotectonic parameters:
  1. a)

    the eastern border of the Valbruna-Raibl W—E- trending Carnian basin (ore-bearing area);

  2. b)

    the upper Dolomia Metallifera (host rock);

  3. c)

    the “Buchenstein” (lower stratigraphic limit of ore distribution);

  4. d)

    the lowermost part of the Calcare del Predil Formation (upper stratigraphic limit of ore distribution);

  5. e)

    the N S and NE SW Triassic faults (ore concentration lines).

The ore deposition took place essentially by means of epigenetic, per descensum mechanism, in form of internal mechanical and chemical sediments, within a well-defined framework of syntectonic fissures and solution cavities, strictly depending on the geometric pattern of Triassic fault system. Both syngenetic faults and ores underwent the late alpine tectonics effects. Among these, highly significant for mining exploration progress is the NE—trending block faulting, discovered by the writers in the northern sector of the mine.

The positive influence of all the above mentioned paleogeographic and paleotectonic parameters on the lead- zinc concentration process is confirmed, at least to a certain degree, by the first ore exploration results in the Valbruna area.

In this paper we will not deal with the problem of metal source, ascribed to joined Triassic volcanism and Tertiary magmatism by Di Colbertaldo, and to Triassic volcanism by Romagnoli and Zeller. A correct approach to this problem (in reality not essential to the aims of ore exploration in the Raibl region) would be possible only by taking into account the whole “family” of lead, zinc, fluorite and barite Triassic deposits in the Eastern Alps, as well as their “heritage” relationships with the former metallogenic epochs in the same paleogeographic province.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Assereto, R. ET AL. (1968): Note illustrative della Carta Geologica d’Italia alla scala 1:100.000: Foglio 14 “Tarvisio”. Servizio Geologico d’Italia, p.70, Rome.Google Scholar
  2. Brigg, L. and Omenerr°, P. (1976): Le mineralizzazioni piombo-zincifere della zona di Raibl: nuovi aspetti giacimentologici. L’Industria Mineraria, 27, 2, 49–56.Google Scholar
  3. Di Colbertaldo, D. (1948): Il giacimento piombo-zincifero di Raibl in Friuli (Italia). S. A. Miniere Cave di Predil (Raibl), Rome (presented to the 18th Section of the Int. Geol. Congr., London).Google Scholar
  4. Di Colbertaldo, D. (1956): Raibl è un giacimento di origine magmatica. Rendic. Soc. Min. It., 10, 83–103.Google Scholar
  5. Di Colbertaldo, D. (1957): Sulla nuova ipotesi dell’origine sedimentaria dei giacimenti alpini tipo Bleiberg. Rendic. Soc. Min. It., 13, 205–212.Google Scholar
  6. Di Colbertaldo, D. (1967): Giacimenti Minerari. Vol. I: Giacimentologia generale e giacimenti di Pb-Zn (e Ag). Cedam ed., p.383, Padua.Google Scholar
  7. Di Colbertaldo, D. (1968): Aspetti sedimentari in giacimenti epigenetici e loro interpretazione (Cambrico sardo e Trias alpino). Geol. Tecnica, 15, 2, 41–46.Google Scholar
  8. Kostelka, L. and Siegl, W. (1966): Der triadische Geosynklinalvulkanismus und die Blei-Zinkvererzungen in den Drau-Kalkalpen. Atti Symp. Int. Giac. Min. Alpi (Trento), 1, 127–132.Google Scholar
  9. Kraus, M. (1913): Das staatliche Blei-Zinkerz-Bergbauterrain bei Raibl in Kärnten. Berg- u. Hüttenm. Jb., 61, p. 82, Wien.Google Scholar
  10. PO Epnir, F. (1873): Die Blei- und Galmei-Erzlagerstätten von Raibl in Kärnten. Jb. d. k. k. Geol. Reichs-Anst., Wien, 23, 4, 317–424.Google Scholar
  11. Romagnoli, P. L. (1966): Contributo alla conoscenza del giacimento di Raibl. Atti Symp. Int. Giac. Min. Alpi (Trento), 1, 135–147.Google Scholar
  12. Zeller, M. (1970): Tektonik, Gebirgschläge und Vererzung im Blei-Zinkbergbau Raibl (Cave del Predil), Italien. In. Diss. FU, p. 114, Berlin.Google Scholar

Copyright information

© Springer-Verlag Wien 1978

Authors and Affiliations

  • Luciano Brigo
    • 1
  • Paolo Omenetto
    • 2
  1. 1.Cattedra di Giacimenti MinerariIstituto di MineralogiaMilanoItalia
  2. 2.Cattedra di Giacimenti MinerariIstituto di Mineralogia e PetrologiaPadovaItalia

Personalised recommendations