Henrietta Mine

The Henrietta Mine is a silver and gold mine located in Owyhee county, Idaho at an elevation of 5,689 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

Name: Henrietta Mine  

State:  Idaho

County:  Owyhee

Elevation: 5,689 Feet (1,734 Meters)

Primary Mineral: Silver, Gold

Lat, Long: 43.01333, -116.85278

Map: View on Google Maps

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.


Satelite image of the Henrietta Mine

Henrietta Mine MRDS details

Site Name

Primary: Henrietta Mine
Secondary: Big I
Secondary: Central


Commodity

Primary: Silver
Primary: Gold
Secondary: Antimony


Location

State: Idaho
County: Owyhee
District: Delamar District


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: Underground


Ownership

Owner Name: Big Four Development Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1875
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Owyhee Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENTICULAR


Structure

Type: L
Description: Vein Terminates Against Fault That Dips 60 Deg W.


Alterations

Alteration Type: L
Alteration Text: Bleaching; Sericite; Kaolin; Gouge


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Analytical Data: VEIN CARRIES $3 TO $4 IN AU PER 100 OZ. AG PER TON.


Materials

Ore: Pyrargyrite
Ore: Miargyrite
Gangue: Barite
Gangue: Pyrite


Comments

Comment (Reserve-Resource): LINDGREN (P. 132): THERE IS CONSIDERABLE SECOND CLASS ORE AS RESERVES

Comment (Location): ON S. SIDE OF DELAMAR MTN.

Comment (Development): 1 PATENTED, 4 UNPATENTED CLAIMS ( 1950 )

Comment (Workings): 4 SHAFTS

Comment (Deposit): CLAY IN VEINS IS VERY RICH IN AU AND AG. THIS IS THE RICHEST SHIPPING ORE. THE ORE IS SHIPPED BECAUSE IT IS SULPH - ANTIMONIDES OF SILVER, WHICH MUST BE ROASTED. THERE IS A LARGE AMOUNT OF THIS ORE


References

Reference (Deposit): 1968 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138

Reference (Production): ASHER, R. R., 1968, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138, 106 P.

Reference (Deposit): LINDGREN, W., 1898, THE GOLD AND SILVER VEINS OF SILVER CITY, DELAMAR, AND OTHER MINING DISTRICTS IN IDAHO: 20TH ANN. REPORT, U.S.G.S., P. 75 -205 (PART 3).

Reference (Deposit): ASHER, R. R., 1968, GEOLOGY AND MINERAL RESOURCES OF A PORTION OF THE SILVER CITY REGION, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 138, 106 P.

Reference (Deposit): 1898 COMPILE W. LINDGREN 20TH ANN. REPORT

Reference (Deposit): 1950 DIREXPL RKG MIN. AND MLG. CO.


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.