Mine Index Number: 10217579
| ISGS ID:
|
9211
|
MSHA ID:
|
|
| MAS ID:
|
170850055
|
MRDS ID:
|
W800265
|
| Company Name:
|
Wisconsin Zinc Company, Birkbeck (Mrs. Thomas) And Sons
|
| Mine/Site Name:
|
Birkbeck Mine
|
| Active/Abandoned:
|
Unknown
|
| Start Date:
|
1915
|
End Date:
|
1913
|
| Commodity Type:
|
Metallic
|
| Commodity:
|
Iron, Lead, Zinc
|
| Minerals Present:
|
Dolomite, Calcite, Quartz, Sphalerite, Pyrite
|
| Type of Mine:
|
Underground
|
| District:
|
Upper Mississippi Valley
|
Subdistrict:
|
|
| County:
|
Jo Daviess
|
| Section/Township/Range:
|
27(NWNE)-29N-1E
|
| Latitude,Longitude:
|
42.48781,-90.38951
|
| Unit(s) Mined:
|
Galena Group, Platteville Group
|
| Feature(s) Mined:
|
|
| MRDS Link:
|
https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10217579
|
| Mindat link:
|
|
Discussion
Ownership information
| Type |
Operator
|
| Owner |
Wisconsin Zinc Co.
|
| Type |
Owner
|
| Owner |
Mrs Thomas Birkbeck And Sons
|
Mine Data/Information
Mine Data
Production statistics
| Year |
1917
|
| Period |
1915-17
|
| Material |
ORE
|
| Accuracy |
Estimate
|
| Description |
Cp_Grade: ^2 To 3 Percent Zn
|
| Importance |
Item |
Commodity |
Group |
Amount recovered |
Grade |
Recovery percentage
|
| Major |
Ore |
Zinc |
Zinc |
|
3wt-pct |
|
| Year |
1917
|
| Period |
1915-17
|
| Material |
ZN CONC
|
| Accuracy |
Accurate
|
| Description |
Cp_Grade: ^26.85 Percent Zn, 19.5 Percent Fe, And 0.35 Percent Pb
|
| Importance |
Item |
Commodity |
Group |
Amount recovered |
Grade |
Recovery percentage
|
|
Conc. |
Iron |
Iron |
|
20wt-pct |
|
| Trace |
Conc. |
Lead |
Lead |
|
0wt-pct |
|
| Major |
Conc. |
Zinc |
Zinc |
|
27wt-pct |
|
Reserves and resources
| Type |
In-situ
|
| Estimate year |
1917
|
| Total resources |
68,000mt ore
|
| Commodity |
Subtype |
Grade |
units |
Group |
Importance |
Year
|
| Zinc |
Zn |
4.7 |
wt-pct |
Zinc |
Major |
1917
|
| Lead |
Pb |
6.8 |
wt-pct |
Lead |
Trace |
1917
|
DRILLING INDICATED A LARGE TONNAGE OF UNMINED ORE REMAINS NW AND SE OF THE MINE WORKINGS.
Ore Body Information
| Thickness |
3.05M
|
| Width |
76.2M
|
| Length |
213.36M
|
THE ORE BODY TRENDED TO THE NW AND WAS 700 FT LONG, 50 TO 200 FT WIDE, AND AVERAGED 15 FT THICK.
Workings at the site
| Type of workings |
Underground
|
| Name of workings |
IRREGULAR STOPE
|
| Length |
91.44M
|
| Width |
60.96M
|
| Type of workings |
Underground
|
| Name of workings |
SHAFT
|
| Overall depth |
57.91M
|
65 HOLES WERE DRILLED ON THE PROPERTY--43 ARE IN OR CLOSE TO THE OREBODY. ABOUT 500 GALLONS OF WATER PER MINUTE WAS PUMPED DURING MINING. THE ORE WAS WORKED ONLY IN THE IMMEDIATE VICINITY OF THE SHAFT AND AS AN IRREGULAR STOPE.
References
- WILLIAMS, H B, REYNOLDS, R R & HERBERT, JR, PAUL, 1946, ILL SURVEY R.I. NO. 116, P. 33.
|
- HEYL, A.V., AGNEW, A.F., LYONS, E.J., AND BEHRE, C.H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.
|
- WILLMAN, H.B., REYNOLDS, R.R., AND HERBERT, PAUL, JR., 1946, GEOLOGICAL ASPECTS OF PROSPECTING AND AREAS FOR PROSPECTING IN THE ZINC-LEAD DISTRICT OF NORTHWESTERN ILLINOIS: ILLINOIS GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS, NO. 116, 48 P.
|
- HEYL AND OTHERS, 1959, P. 186.
|
External Links
Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10217579
Also referenced as 10086357
