CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
544 United States (Montana) 48.05 N -- 115.40 W Horizon Basin Cu; Ag
 
Database name: World Sediment-Hosted Cu Deposits
Compilers: R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born
Release date: 2015-01-27
   
Deposit name(s): Horizon Basin
Political location(s): United States; Province or state: Montana
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; in quartzite
Commodities: Cu; Ag
Geological ages: Middle Proterozoic (host rocks)
Tectonic setting: continental rift-graben; divergent (host rocks)
Host rocks: (1) sedimentary; quartzite-siltstone
Individual lithologies:quartzite
quartzite (silty)
siltite
Host rock stratigraphy:Revett Formation, Belt Supergroup
Qualified comments: (Applies to: miscellaneous comments) in quartzite; host rocks metamorphosed to lower greenschist facies
References:
Henricksen, T. A.; Smith, R. G.; Franklin, R. J., 1986
Revett-Type Stratiform Silver-Copper Deposits at the U.S. Borax Noxon Project, Northwest Montana
in Program With Abstracts, Edited by Mineralogical Association of Canada; Canadian Geophysical Union; Geological Association of Canada, GAC, MAC, CGU-AGC, AMC, UCG Joint Annual Meeting, Ottawa, 1986, Mineralogical Association of Canada, Canadian Geophysical Union, Geological Association of Canada, 11, 158 p, p. 80 - 81

Ryan, P. C.; Buckley, S., 1993
Sedimentation, Stratabound Cu-Ag Mineralization and Syndepositional Tectonics in the Revett Formation, Flathead Indian Reservation, Western Montana
in Belt Symposium III, Edited by Berg, R. B., Special Publication, Montana Bureau of Mines and Geology, 112, 295 p, p. 278 - 289

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.

3,810,176 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: drill indicated resource
Grade-commodity information:Cu: 0.6 percent
Reference: Hendricksen, T., 1987: Personal Communication
Percent weights allocated to deposit: 100.0%
Associated group(s): U.S. Borax Noxon Project (3)

Generated 2015-01-27 17:18:21 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada