CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
75 Ireland (County Galway) 53.09.29 N -- 008.20.37 W Tynagh Zn; Pb; Cu; Ag; barite
 
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): Tynagh
Political location(s): Ireland; Province or state: County Galway
Deposit clan (type): Mississippi Valley-type
Deposit (sub) types: Irish-type
Deposit status: past producer
Commodities: Zn; Pb; Cu; Ag; barite
Mineralization styles: fault breccia cement; massive replacement
Geological ages: Courceyan (host rocks)
Tectonic setting: continental platform
Host rocks: (1) sedimentary; carbonate; Depositional setting: Shallow marine
Individual lithologies:micrite (biomicrite mounds)
Host rock stratigraphy:Waulsortian Limestone member

(2) sedimentary; carbonate; Depositional setting: Shallow marine
Individual lithologies:argillaceous biomicrite
Host rock stratigraphy:Lower Muddy Limestone member
Mineralogy: dolomite, pyrite, sphalerite, galena, chalcopyrite, tennantite, barite, bornite, arsenopyrite, calcite, gratonite, enargite, bournonite, geocronite
References:
Clifford, J. A.; Ryan, P.; Kucha, H., 1986
A Review of the Geological Setting of the Tynagh Orebody, Co. Galway
in Geology and Genesis of Mineral Deposits in Ireland, Edited by Andrew, C. J.; Crowe, R. W. A.; Finlay, S.; Pennell, W. M.; Pyne, J. F., Irish Association for Economic Geology, Cahill Printers, Ireland, 711 p, p. 419 - 439

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

Production data: Report period: from 1965 until 1980; 9.16 million metric tons ore; Provisional entry?: no; Yearly or summary?: S
Grade-commodity information:Zn: 5 percent
Pb: 6.19 percent
Ag: 66 grams/metric ton
Cu: 0.52 percent
barite: 8.3 percent
Reference: Andrew, C. J., 1990: Irish Zinc Deposits - Style and Process in an Orefield Context; Minerals Industry International, Bulletin, Institution of Mining and Metallurgy, Volume 1001, p. 9 - 16
Percent weights allocated to deposit: 100.0%

Generated 2015-02-06 15:01:14 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada