| Deposit ID | 10082650 |
|---|---|
| MRDS ID | W060093 |
| Record type | Site |
| Current site name | Kona Dolomite |
| Geographic coordinates: | -87.75002, 46.83333 (WGS84) |
|---|
Political divisions (FIPS codes)
Marquette(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ives Hill(quadrangle 1:24,000 scale)
Marquette(quadrangle 1:100,000 scale)
Marquette(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Dead-Kelsey(hydrologic unit)
Southcentral Lake Superior(hydrologic accounting unit)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Marquette |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 047N | 025W | 1 | NE 4 OF NW 4 | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Pyrite | Ore |
| Malachite | Ore |
| Chalcopyrite | Ore |
| Bornite | Ore |
| Quartz | Gangue |
| Model code | 197 |
|---|---|
| USGS model code | 30b |
| Deposit model name | Sediment-hosted Cu |
| Mark3 model number | 63 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite | ||
| Rock unit name | Kona Dolomite | ||
| Rock description | Kona Dolomite | ||
| |||
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Argillite | ||
| |||
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||
| |||
| (1) | -87.75002, 46.83333 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Silicified dolomite |
| General form | STRATABOUND |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1978 | ||||||||||||||
| Total resources | 8164800mt ore | ||||||||||||||
| |||||||||||||||
WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN, REPORT FOR U.S. DEPT OF INTERIOR, BUREAU OF MINES: EAST LANSING, DEPT. OF GEOLOGY, MICHIGAN STATE UNIVERSITY, 66 P.
REED, R.C., 1965, COPPER MINERALIZATION IN ANIMIKIE SEDIMENTS OF THE MARQUETTE RANGE, MARQUETTE COUNTY, MICHIGAN: M.S. THESIS, MICHIGAN STATE UNIVERSITY, 55 P.
TAYLOR, G.L. 1972, STRATIGRAPHY, SEDIMENTOLOGY, AND SULPHIDE MINERALIZATION OF THE KONA DOLOMITE: UNPUBLISHED PH.D. DISSERTATION, MICHIGAN TECHNOLOGICAL UNIVERSITY.
WILBAND, 1978
WILBAND, 1978
| Subject category | Comment text |
|---|---|
| Deposit | SULFIDES FOUND IN THREE BEDS (UPPER ARGILLITE, MIDDLE QUARTZITE, LOWER ARGILLITE) WITH TOTAL THICKNESS OF17 M. BEDS ARE ABOUT 60 MABOVE THE BASE OF THE FORMATION. MINERALIZATION IS MOST INTENSE AT THE ARGILLITE CONTACTS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1995 | Nicholson, Suzanne | U.S. Geological Survey | |
| Updater | 01-MAR-1997 | Sutphin, D.M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.