CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
14 United States (Michigan) 46.32 N -- 087.27 W Kona Dolomite; Marquette Area Cu
 
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): Kona Dolomite; Marquette Area
Political location(s): United States; Province or state: Michigan; Subprovince or locality: Marquette Trough - eastern end
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: paralic marine; low grade in argillite and very fine grained qtzite
Commodities: Cu
Geological ages: Aphebian (host rocks)
Host rocks: (1) sedimentary; quartzite
Individual lithologies:quartzite (dolomitic - pink)
Host rock stratigraphy:Lower Quartzite Member, Wewe Formation
Qualified comments: (Applies to: miscellaneous comments) low grade in argillite & very fine grained qtzite; near base of Kona dolomite; quartzite is bounded top & bottom by green argillite
References:
Clark, J. L., 1974
Distribution and Mode of Occurrence of Copper Sulfides in the Kona Dolomite, Marquette County, Michigan
in Institute on Superior Geology, 20th Annual Meeting Sault Ste Marie (May 1-5), Edited by Giblin, P. E.; Bennett, G.; Leahy, E. J., Report, Institute on Superior Geology, 149 p, p. 9 - 9

Taylor, G. L., 1972
Stratigraphy, Sedimentology and Sulphide Mineralization of the Kona Dolomite
Ph.D. Thesis, Michigan Technological University, 112 p.

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: 1986; 100,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated minimum resource
Grade-commodity information:Cu: 0.5 percent
Reference: Anonymous, 1986: Personal Communication, March 1986
Percent weights allocated to deposit: 100.0%


Estimate date: 1978; 907,184,768 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: drill indicated resource
Grade-commodity information:Cu: 0.3 percent
Reference: Anonymous, 1978: Copper Resources of Northern Michigan; Report
Percent weights allocated to deposit: 100.0%

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