CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
17 United States (Alaska) 63.24.30 N -- 154.15.00 W Reef Ridge Zn
 
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): Reef Ridge
Political location(s): United States; Province or state: Alaska
Deposit clan (type): Mississippi Valley-type
Deposit status: deposit
Commodities: Zn
Mineralization styles: discordant collapse breccia cement
Geological ages: Early Devonian (host rocks)
Tectonic setting: continental platform (host rocks)
Host rocks: (1) sedimentary; carbonate; Depositional setting: Shallow-water carbonates
Individual lithologies:dolostone
Mineralogy: dolomite, sphalerite
(supergene): smithsonite
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

Nokleberg, W. J.; Bundtzen, T. K.; Berg, H. C.; Brew, D. A.; Grybeck, D.; Robinson, M. S.; Smith, T. E.; Yend, W., 1994
Metallogenic Map of Significant Metalliferous Lode Deposits and Placer Districts in Alaska (in) The Geology of Alaska, Vol G-1 of The Geology of North America (GNA-G1)
The Geological Society of America Inc., Plate 11, Scale 1:2500000

Schmidt, J. M., 1997
Strata-Bound Carbonate-Hosted Zn-Pb and Cu Deposits of Alaska
Section Strata-Bound and Volcanic-Related Deposits, in Mineral Deposits of Alaska, Edited by Goldfarb, R. J.; Miller, L. D., Monograph, Economic Geology, 9, 482 p, p. 90 - 119

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: 1997; 1.8 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: inferred
Grade-commodity information:Zn: 6.5 percent
Also containingEstimate date: 1994; 181,000 metric ton ore; Combined with production?: no; Provisional entry?: yes
Grade-commodity information:Zn+Pb: 15 percent
Reference: Nokleberg, W. J.; Bundtzen, T. K.; Berg, H. C.; Brew, D. A.; Grybeck, D.; Robinson, M. S.; Smith, T. E.; Yend, W., 1994: Metallogenic Map of Significant Metalliferous Lode Deposits and Placer Districts in Alaska (in) The Geology of Alaska, Vol G-1 of The Geology of North America (GNA-G1); The Geological Society of America Inc., Plate 11, Scale 1:2500000
Percent weights allocated to deposit: 100.0%
Reference: Schmidt, J. M., 1997: Strata-Bound Carbonate-Hosted Zn-Pb and Cu Deposits of Alaska; Section Strata-Bound and Volcanic-Related Deposits, in Mineral Deposits of Alaska, Edited by Goldfarb, R. J.; Miller, L. D., Monograph, Economic Geology, 9, 482 p, p. 90 - 119
Percent weights allocated to deposit: 100.0%

Generated 2015-02-06 15:01:31 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada