CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
65 Ireland (County Longford) 53.38.54 N -- 007.44.06 W Keel Zn; Pb; Ag; Cd
 
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): Keel
Political location(s): Ireland; Province or state: County Longford
Deposit clan (type): Mississippi Valley-type
Deposit (sub) types: Irish-type
Deposit status: deposit; Status comments: Underground development
Commodities: Zn; Pb; Ag; Cd
Mineralization styles: fault breccia cement; disseminated
Geological ages: Courceyan (host rocks)
Tectonic setting: continental platform (host rocks)
Host rocks: (1) sedimentary; quartzite-sandstone; Depositional setting: Shallow marine
Individual lithologies:quartz sandstone
Host rock stratigraphy:Lower Quartzitic Sandstone member

(2) sedimentary; quartzite-conglomerate; Depositional setting: Shallow marine
Individual lithologies:conglomerate
Host rock stratigraphy:Quartz Pebble Conglomerate member

(3) sedimentary; quartzite-sandstone; Depositional setting: Shallow marine
Individual lithologies:quartz sandstone
Host rock stratigraphy:Upper Quartzitic Sandstone member

(4) sedimentary; carbonate; Depositional setting: Shallow marine
Individual lithologies:dolomitic calcarenite
calcareous sandstone (Calcarenites alternating with calcareous sandstone)
Host rock stratigraphy:Lower Mixed Beds member

(5) sedimentary; carbonate; Depositional setting: Shallow marine
Individual lithologies:dolomitized calcarenite
Host rock stratigraphy:Bioclastic Dolomites member

(6) sedimentary; carbonate; Depositional setting: Shallow marine
Individual lithologies:micrite
calcareous sandstone
quartz sandstone (All three lithologies are interbedded)
Host rock stratigraphy:Upper Mixed Beds member
Mineralogy: sphalerite, chalcopyrite, galena, tetrahedrite, calcite, dolomite, quartz, barite, pyrite, marcasite
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

Slowey, E. P., 1986
The Zn-Pb and Barite Deposits at Keel, Co. Longford
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. 319 - 330

Slowey, E. P.; Hitzman, M. W.; Beaty, D. W.; Thompson, T. B., 1995
The Keel Zn-Pb and Garrycam BaSO4 Deposits, Co. Longford, Ireland
in Irish Carbonate-Hosted Zn-Pb Deposits, Commemorating the SEG 75th Anniversary, Guidebook for Field Conference May 13-19, 1995, Edited by Anderson, K.; Ashton, J.; Earls, G.; Tear, S., Guidebook Series, Society of Economic Geologists, Citizen Printing Co. Inc., Fort Collins, Colorado 80521, 21, 296 p, p. 227 - 241

Resource data:
Disclaimer - Reserves/Resource Data

Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.

Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported.

Estimate date: 1968; 1.85 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: indicated and infer
Grade-commodity information:Zn: 7.71 percent
Pb: 1.04 percent
Ag: 39.6 grams/metric ton
Cd: 0.12 percent
Reference: Slowey, E. P., 1986: The Zn-Pb and Barite Deposits at Keel, Co. Longford; 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. 319 - 330
Percent weights allocated to deposit: 100.0%

Generated 2015-02-06 15:01:17 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada