CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
57 Italy (Lombardy) 45.31.12 N -- 009.30.00 E Gorno Zn; Pb
 
Database name: World Mississippi Valley-type deposits
Custodial agency: Geological Survey of Canada
Compilers: D. F. Sangster
Release date: 2015-02-06
   
Deposit name(s): Gorno
Political location(s): Italy; Province or state: Lombardy
Deposit clan (type): Mississippi Valley-type
Deposit status: past producer
Commodities: Zn; Pb
Mineralization styles: discordant collapse breccia cement; disseminated
Geological ages: Late Triassic (host rocks)
Tectonic setting: continental platform (host rocks)
Host rocks: (1) sedimentary; mudstone-carbonate; Depositional setting: Shallow-water carbonates
Individual lithologies:limestone
shale (black)
Mineralogy: sphalerite, galena, pyrite, marcasite, chalcopyrite, tetrahedrite, bournonite, jamesonite, boulangerite, polybasite, calcite, quartz, dolomite, ankerite, fluorite, barite
References:
Leach, D. L.; Sangster, D. F.; Kelley, K. D.; Large, R. R.; Garven, G.; Allen, C. R.; Gutzmer, J.; Walters, S., 2005
Supplement to sediment-hosted lead-zinc deposits: A global perspective
Appendix, in One hundreth anniversary volume 1905-2005, Edited by Hedenquist, J. W.; Thompson, J. F. H.; Goldfarb, R. J.; Richards, J. P., Ecomomic geology, Society of Ecomonic Geologists, 1136 p

Leach, D. L.; Sangster, D. F.; Kelley, K. D.; Large, R. R.; Garven, G.; Allen, C. R.; Gutzmer, J.; Walters, S., 2005
Sediment-hosted lead-zinc deposits: A global perspective
in One hundreth anniversary volume 1905-2005, Edited by Hedenquist, J. W.; Thompson, J. F. H.; Goldfarb, R. J.; Richards, J. P., Ecomomic geology, Society of Ecomonic Geologists, 1136 p, p. 561 - 607

Omenetto, P.; Vailati, G, 1977
Ricerche Geominerarie nel Settore Cenrale del Distretto a Pb, Zn, Fluorite e Barite di Gorno (Lombardia)
L'Industria Mineraria, Volume 28, p. 25 - 44

Production data: Report period: until 1978; 6.2 million metric tons ore; Provisional entry?: no; Yearly or summary?: S
Weight-commodity information:Zn: 0.71 million metric tons
Pb: 0.14 million metric tons
Reference: Klau, W.; Mostler, H., 1983: Alpine Middle and Upper Triassic Pb-Zn Deposits ; Section Invited Major Papers, in International Conference on Mississippi Valley-Type Lead-Zinc Deposits: Proceedings Volume, Edited by Kisvarsanyi, G.; Grant, S. K.; Pratt, W. P.; Koenig, J. W., University of Missouri-Rolla, 603 p, p. 113 - 128
Percent weights allocated to deposit: 100.0%

Generated 2015-02-06 15:01:22 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada