Ohio Mines Corp. Dunfee Group

The Ohio Mines Corp. Dunfee Group is a gold and silver mine located in Esmeralda county, Nevada at an elevation of 5,600 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Ohio Mines Corp. Dunfee Group
Secondary: Orlean Nos. 1-3, Orlean Ext., Orlean Ext. No. 1, Whirlwind Nos. 1-3,
Secondary: Gold Ledge Annex, Lime Point Nos. 5, 6, Mohawk, Nettie L. Ext.,
Secondary: Nettie L. Nos. 1-3, Whale, and Taft Claims
Secondary: Southwestern Mines Co. Property 1931-Russell,
Secondary: Orleans and Townsite Groups

Commodity

Primary: Gold
Primary: Silver

Location

State: Nevada
County: Esmeralda
District: Hornsilver

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: SW Mines Co.-(Early 1900'S-; Ohio Mines Co.-1922.

Owner Name: J. W. Dunfee, Mine Manager And Gen'L. Supt.,
Years: 1931 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1922
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Form: TABULAR

Form: TABULAR

Structure

Type: L
Description: Faulting (Slickensided Veins)

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Analytical Data: 2:1 AG:AU WITH GOLD VALUES PREDOMINATING AT LOWER LEVELS

Materials

Ore: Galena
Ore: Cerargyrite
Ore: Bromyrite
Gangue: Quartz
Gangue: Hematite
Gangue: Pyrite
Gangue: Clay
Gangue: Limonite

Comments

Comment (Deposit): WESTERN VEIN TRACEABLE FOR 4400 FT OR MORE; UP TO 30 FT WIDE WITH 12-FT WIDE ORE SHOOTS 900-FT SHAFT ON THIS VEIN (ON THE NETTIEL. NO. 1 CLAIM) WITH LEVELS AT 100, 200, 300, 400 FT. STRIKE N 80 W DIP 70 NE CONNOLLY VEIN TRACEABLE FOR OVER 1200 FT, DIPS 70 NE, 10 FT WIDE, DEVELOPED BY INCLINED SHAFT TO 60 FT. STRIKES N 60 W, DIP 70 NE WELCOME STRANGER VEIN DOES NOT OUTCRIP AT SURFACE. ORE CHANGES ABRUPTLY IN IT FROM LOW TO VERY HIGH GRADE AND HAS HIGHER AVERAGE GRADE ORE THAN OTHER VEINS STRIKE N 80 W, DIP VERTICAL TO SLIGHTLY S, 8 FT WIDE. ORLEANS VEIN HAS 2 SHOOTS (1) THE DUNFEE, WORKED FROM THE DUNFEE SHAFT TO A DEPTH OF 760 FT AND (2) THE WEST ORE SHOOT, WORKED FROM THE ORLEANS SHAFT ORLEANS VEIN STRIKES ABOUT N 40 W, DIP 52 NE, AND IS OVER 30 FT WIDE. ; INFO.SRC : 2 UNPUB REPT

Comment (Location): 18 CLAIMS COVERING 340 ACRES. TOWNSITE OF HORNSILVER COVERED BY WHIRLWIND CLAIMS, ON N. SIDE OF SLATE RIDGE.UTM IS TO NEAR CENTER OF CLAIM AREA ; INFO FROM LAND.ST :1982

Comment (Development): . PEOPLE LIVING AT SITE IN 1983.

Comment (Deposit): 4 STRONG PARALLEL GOLD VEINS: ORLEANS, WESTERN, CONNOLLY AND WELCOME STRANGER VEINS 1931-NEW ORE BODY AT JUNCTION OF ORLEANS AND CONNOLLY VEINS ON 150-FT LEVEL, 15-FT WIDE WITH 20 IN. OF HIGH-GRADE CARRYING $20-$80/TON (ONE ASSAY-3.37 OZ/T AU, 66 OZ/T AG)

Comment (Workings): SHAFTS, CROSSCUTS, DRIFTS, STOPE S. EXTENSIVE DUMPS, (SOME REWORKED RECENTLY), LEACH PONDS.

Comment (Geology): QUARTZ VEIN MATERIAL IN AREAS HAS BEEN CRUSHED AND RECEMENTED BY LIMONITE OR CHALCEDONIC QUARTZ

References

Reference (Deposit): MACDONALD, BERNARD, 1930, REPORT ON THE MINING PROPERTIES OF THE OHIO MINES CORP.; NBMG FILE 92 ITEM 1.

Reference (Deposit): TURNER, J.K., AND BRADY, S.H., REPORT ON THE PROPERTY OF THE SOUTHWESTERN MINES CO.; NBMG FILES FILE 92. ITEM 3.

Reference (Deposit): SMITH, A.M. AND CARPENTER, JAY, 1931, NOTES ON INSPECTION TRIP TO HORNSILVER; NBMG FILE 92, ITEM 8.

Reference (Deposit): BRADY, S.H., 1915, UNPUBLISHED REPORT ON CONDITION OF SOUTHWESTERN MINES CO.; NBMG FILE 92, ITEM 9.

Reference (Deposit): USBM, 1978, MILS DATA

Reference (Deposit): COUCH, B.F. AND CARPENTER, J.A., 1943, NBMG BULL 38, P. 54.

Reference (Deposit): SMITH/BENTZ, 1983, FIELD EXAMINATION, NBMG, 9 MAY 83.

Nevada Gold

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.