Mine Index 10106463 Vinegar Hill Mining Company, Buck Hill Mine,Blewett Mine

Disclaimer
	S-T-R	9(SWNWSW)-28N-1E
	County:	Jo Daviess
	Quadrangle:	Galena
	District:	Upper Mississippi Valley
	Subdistrict:

Mine Index Number: 10106463

ISGS ID:	9176	MSHA ID:
MAS ID:	170850056	MRDS ID:	W062834
Company Name:	Vinegar Hill Mining Company
Mine/Site Name:	Buck Hill Mine, Blewett Mine
Active/Abandoned:	Unknown
Start Date:	1917	End Date:	1920
Commodity Type:	Metallic
Commodity:	Iron, Zinc
Minerals Present:	Dolomite, Calcite, Quartz, Sphalerite, Pyrite
Type of Mine:	Underground
District:	Upper Mississippi Valley	Subdistrict:
County:	Jo Daviess
Section/Township/Range:	9(SWNWSW)-28N-1E
Latitude,Longitude:	42.43695,-90.41928
Unit(s) Mined:	Galena Group, Platteville Group
Feature(s) Mined:
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10106463
Mindat link:

Discussion

THE ORE BODY HAS A MAXIMUM THICKNESS OF 45 FT AND AVERAGES BETWEEN 20 TO 30 FT. THE ION MEMBER, SPECHTS FERRY MEMBER, AND THE GUTTENBERG MEMBER ARE PARTS OF THE DECORAH FM.

Mine Data

Production statistics

Year	1920
Period	1919-20
Material	JIG CONC
Accuracy	Accurate
Description	Cp_Grade: ^Ave 30 Percent Zn And 21 Percent Fe.
Importance	Item	Commodity	Group	Amount recovered	Grade	Recovery percentage
Conc.	Iron	Iron		21wt-pct
Major	Conc.	Zinc	Zinc		30wt-pct

Reserves and resources

Type	In-situ
Estimate year	1920
Total resources	45,000mt ore
Commodity	Subtype	Grade	units	Group	Importance	Year
Zinc	Zn	6.5	wt-pct	Zinc	Major	1920
Iron	Fe	10.5	wt-pct	Iron	Minor	1920

IN 1946 THE USBM EXTENDED THE ORE BODY BY DRILLING. CONSIDERABLE TONNAGES OF ORE REMAINS AT THE MINE AT THE N AND W SIDES AND BELOW THE PRESENT (1959) FLOOR. ORE MAY BE PRESENT ALSO TO THE S AND E.

Workings at the site

Type of workings	Underground
Name of workings	SHAFT

A SHAFT WAS SUNK ON THE EAST EDGE OF THE ORE BODY.

ECON.COM: DRILLING N OF THE MINE AFTER IT CLOSED REVEALED THE PRESENCE OF ADDITIONAL ORE.

References

U.S. BUREAU OF MINES, 1995, SPATIAL DATA EXTRACTED FROM THE MINERALS AVAILABILITY SYSTEM/MINERAL INDUSTRY LOCATION SYSTEM (MAS/MILS): U.S. BUREAU OF MINES SPECIAL PUBLICATION 12-95

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, 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.

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10106463
Also referenced as 10169079
Also referenced as 10086166