Black Rock Mine

The Black Rock Mine is a gold mine located in Yavapai county, Arizona at an elevation of 3,350 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: Black Rock Mine

Commodity

Primary: Gold
Secondary: Silver
Tertiary: Copper
Tertiary: Zinc
Tertiary: Lead

Location

State: Arizona
County: Yavapai
District: Black Rock 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: Black Rock Mining Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1940
Year Last Production: 1941
Discovery Year: 1902
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Type: L
Description: Veins (And Genetically-Related (?)) Dikes Trend N10w To N40w And Crosscut Precambrian Fabric

Type: R
Description: Foliation In Precambrian Schist And Gneiss Trends N 25 E To N 65 E

Alterations

Alteration Type: L
Alteration Text: Minor To None

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Chalcocite
Ore: Gold
Gangue: Quartz

Comments

Comment (Development): PATENTED CLAIM GROUP INCLUDES GOLD BUG, OLYMPIA, OLYMPIA EXTENSION, AND CACTI CLAIMS, AND POSSIBLY THE MERCURY, ROSALIND AND CHOICE CLAIMS. MAIN SHAFT AND ADIT ON OLYMPIA CLAIM. PRODUCTION SMALL

Comment (Deposit): VEIN CUT BY DIORITE DIKE. OXIDIZED TO CONSIDERABLE DEPTH. PORPHYRY DIKES ASSOCIATED WITH VEIN PROTORE BELOW 190 FT LEVEL

Comment (Geology): DEPOSIT IS HIGH-ANGLE QUARTZ VEIN WHICH IS ASSOCIATED WITH RHYOLITE OR ANDESITE DIKES OF PROBABLE MID-TERTIARY AGE THAT CUT PRECAMBRIAN IGNEOUS AND METAMORPHIC ROCKS

Comment (Workings): MAIN SHAFT (INCLINED 40 TO 60 DEGREES) 340 FT DEEP. LEVELS AT 55, 100, 210 FEET. ADIT ON 100 LEVEL CONNECTS TO SURFACE. STOPES ON 100 FT ADIT LEVEL

Comment (Location): UTM COORDINATES TO SHAFT ON WEST END OF OLYMPIA CLAIM.

References

Reference (Deposit): AZ DEPT MIN. RESOURCES FILE DATA

Reference (Deposit): THE MINES OF WICKENBURG, CA 1907, PUBLISHED BY WICKENBURG BUSINESSMAN AND MINES.

Reference (Deposit): USBM-ABGMT FILE DATA

Reference (Deposit): ABGMT CLIPPINGS FILES

Arizona Gold

"Where to Find Gold in Arizona" 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 Arizona. Read more: Where to Find Gold in Arizona.