Boriana Mine

The Boriana Mine is a tungsten mine located in Mohave county, Arizona at an elevation of 5,098 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: Boriana Mine
Secondary: Tungsten Mine

Commodity

Primary: Tungsten
Secondary: Copper
Tertiary: Molybdenum
Tertiary: Fluorine-Fluorite
Tertiary: Gold
Tertiary: Silver
Tertiary: Sulfur-Pyrite
Tertiary: Beryllium
Tertiary: Calcium

Location

State: Arizona
County: Mohave
District: Hualapai District

Land Status

Not available

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: Boriana Mining Co.
Years: 1982 -

Owner Name: Molybdenum Corp. Of America
Years: 1937 - 1943

Production

Year: 1932
Time Period: 1904-1932

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1915
Year Last Production: 1980
Discovery Year: 1908
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: PINCH AND SWELL

Structure

Type: R
Description: Foliation N 30-40 E, 75-90 Se, Elongation Of Phyllite Belt, Minor Faults

Type: L
Description: Faults Parallel To Foliation, Minor Faulting Offsets Veins

Alterations

Alteration Type: L
Alteration Text: Silicification & Sericitization

Rocks

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: AVERAGE WOLFRAMITE - SCHEELITE RATIO IS 1:1

Materials

Ore: Chalcopyrite
Ore: Molybdenite
Ore: Hematite
Ore: Scheelite
Ore: Wolframite
Ore: Gold
Ore: Silver
Gangue: Quartz
Gangue: Calcite
Gangue: Microcline
Gangue: Apatite
Gangue: Chlorite
Gangue: Beryl
Gangue: Fluorite
Unknown: Pyrite

Comments

Comment (Deposit): QUARTZ VEINS CONTAIN WOLFRAMITE AND SCHEELITE AND ARE CUT BY SERICIT VEINLETS. ORE IS IN FRACTURES.

Comment (Workings): MINE IS DEVELOPED BY 9 MAIN LEVELS AND 3 SUBLEVELS TOTALING 15,500 FT OF LEVEL WORKINGS. THERE IS 1 INSIDE WINZE SUNK VERTICALLY TO 450 FT, 3 LEVELS ARE IN THIS WINZE WITH ABOUT 5000 FT OF WORKINGS. CUT AND FILL MINING WAS MOST COMON.

Comment (Deposit): Discovery Year: BEFORE 1908 OR 1914

Comment (Geology): THE PHYLLITE IS PART OF A LARGE PENDANT IN GRANITE, AVERAGING HALF A MILE WIDE AND EXTENDING FOR SEVERAL MILES NORTHEASTWARD. NUMEROUS QUARTZ VEINS CUT THE PHYLLITE BUT ONLY THOSE NEAR THE CENTER OF THE BELT CONTAIN TUNGSTEN IN COMMERCIAL QUANTITY.

Comment (Deposit): THE BORIANA MINE HAD YIELDED TO THE END OF 1956 FAR MORE TUNGSTEN MINERALS THAN THE COMBINED OUTPUT FROM THE REST OF THE STATE AND ALSO HAD MUCH LARGER INFERRED RESERVES. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): IN BORIANA CANYON AND BULL CANYON

Comment (Production): THE MAXIMUM ANNUAL OUTPUT OF 26,299 UNITS WAS MADE IN 1936. AFTER 1930, SMALL AMOUNTS OF COPPER CONCENTRATES WERE ALSO RECOVERED. IN 1918, BORIANA WAS THE LARGEST TUNGSTEN PRODUCER IN ARIZONA.

Comment (Commodity): FLUORSPAR IS PURPLE.

Comment (Development): OPERATORS INCLUDED GARY BRANUM AND SON AND JIM SLACK (1975), MOLYBDENUM CORP, C. SHIPP, DYE AND BATHRICK. MINE CONSISTED OF 23 UNPATENTED CLAIMS.

References

Reference (Deposit): HOBBS, S.W., 1944, TUNGSTEN DEPOSITS IN THE BORIANA DISTRICT AND THE AQUARIUS RANGE, MOHAVE COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 940-I.

Reference (Deposit): DALE, V. B., TUNGSTEN DEPOSITS OF GILA, YAVAPAI, AND MOHAVE COUNTIES, ARIZONA: USBM INFORMATION CIRCULAR 8078.

Reference (Deposit): ADMR CLIPPINGS FILE, BORIANA

Reference (Deposit): VAN ALSTINE, R.E., AND MOORE, R.T., 1969, FLUORSPAR, IN ABM BULLETIN 180, USGS BULLETIN 871, P. 352.

Reference (Deposit): PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.

Reference (Deposit): USGS BULLETIN 940-I, P. 254.

Reference (Deposit): SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

Reference (Deposit): PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

Reference (Deposit): 1941 GEOLMAP HOBBS, S.W. AND KLEPPER, M.R

Reference (Other Database): CIMRI

Reference (Deposit): LEMMON, D.M., UNPUBLISHED DATA.

Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

Reference (Deposit): HOBBS, S.W., 1944, USGS BULL. 940-I, P. 247-264.

Reference (Reserve-Resource): USGS BULLETIN 940-I, P. 258; SAWYER AND OTHERS, 1992.

Reference (Production): LEMMON, D.M. (UNPUBLISHED DATA); SAWYER AND OTHERS, 1992.

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.