Bismark

Producer in Chihuahua, Mexico with commodities Zinc, Lead, Copper, Silver, Gold, Iron, Manganese, Antimony, Bismuth, Selenium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10049395
MRDS ID MX02014
Record type Site
Current site name Bismark
Alternate or previous names Cerros Bismark
Related records 10288333, 10215570

Geographic coordinates

Geographic coordinates: -107.58448, 31.23266 (WGS84)
Elevation 1320
Location accuracy 50(meters)
Relative position 14 KM WEST OF THE GUZMAN RAILROAD STATION; 120 KM SOUTHWEST OF CIUDAD JUAREZ; 25 KM BY GRADED DIRT ROAD TO HWY 2 THENCE 146 KM TO CIUDAD JUAREZ, Accurate To Within 1 Sec.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

El Paso(quadrangle 1:250,000 scale)

Geographic areas

Country State
Mexico Chihuahua

Comments on the location information

  • LOCATION IS FOR OLD BISMARK MINE .75 KM SOUTHEAST OF THE CURRENT MINE.

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Copper Primary
Silver Primary
Gold Secondary
Iron Tertiary
Manganese Critical Tertiary
Antimony Critical Tertiary
Bismuth Critical Tertiary
Selenium Tertiary

Comments on the commodity information

  • PB BI SE SB SULPHOSALTS ARE VERY MINOR CONSTITUENTS THAT MAY APPEAR IN CONCENTRATES AND BE RECOVERABLE DURING SMELTING.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Iron Ore
Manganese Ox-Hydrous Ore
Sphalerite Ore
Fluorite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Garnet-Mafics Skarn

Analytical data

Result FLUID INCLUSION STUDIES (ABOUT 300 C. INTERMEDIATE STAGE QUARTZ). (SHARP AND GOODELL, 1990)

Mineral occurrence model information

Model code 60
USGS model code 18c
Deposit model name Skarn Zn-Pb
Mark3 model number 22

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Benigno
    Rock description Benigno

Nearby scientific data

(1) -107.58448, 31.23266

Economic information

Ore body information

  • General form TABULAR
    Dip 70SW
    Thickness 40M
    Depth to top 7M

Controls for ore emplacement

  • Contact Between Intrusive And Limestone. Selected Beds In Limestone.

Comments on the geologic information

  • ORE CONSISTS OF GARNET-SPHALERITE-GALENA-CHALCOPYRITE SKARN, MASSIVE PYRRHOTITE-SPHALERITE SKARN REPLACEMENT, AND SPHALERITE-GALENA LIMESTONE REPLACEMENT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1986
Discoverer Compania Quiquilco S.A. (Cyprus Mining Company)
Year of first production 1991

Mining district

District name La Ascension

Ownership information

  • Type Owner
    Owner Cyprus Minerals
    Interest 40
  • Type Owner-Operator
    Owner Industriales Penoles
    Interest 40
  • Type Owner
    Owner Banamex
    Interest 10

Comments on the reserve resource information

  • ONLY 9,000,000 MT MINABLE. ORE RESERVES ESTIMATED BY POLYGON METHOD, CROSS SECTIONS, AND ZONE KRIGING. ORE DELUTION APPEARS TO HAVE BEEN UNDERESTIMATED.

Comments on the workings information

  • MINE IS DEVELOPED BY A 2700 METER LONG SPIRAL DECLINE, 3 PRODUCTION SHAFTS WITH 2 ADDITIONAL SPIRAL DECLINES PLANNED. MINING METHOD WILL BE CUT AND FILL. A 2100 METRIC TON PER DAY MILL WILL BE BROUGHT IN FROM CHRISTMAS, ARIZONA. 70% OF THE ORE MUST BE GROUND TO MINUS 200 MESH TO GET 85% ZINC RECOVERY. MINE WILL EMPLOY 350 INCLUDING 55 STAFF. CONCENTRATES WILL BE SHIPPED TO THE PENOLES SMELTER.

Comments on development

  • THE OLD BISMARK MINE IS AT LEAST 50 YEARS OLD. DATA REFER TO NEW BISMARK PROJECT. DISCOVERED BY IP SURVEY AND 1 DRILL INTERCEPT. ; TOTAL$: 7,500 ; MILL.CAP: 2100 MT/D ; ECON.YEAR: 1990 ; ECON.COM: $14/MT BREAK EVEN THROUGH MILL COST AT $.35/LB ZINC.

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: XX CONGRESO GEOLOGICO INTERNACIONAL (DURANGO, MX), P. 47.

  • Deposit

    CLARK, K.F., AND GOODELL, P.C., (EDS.), 1983, GEOLOGY AND MINERAL RESOURCES OF NORTH-CENTRAL CHIHUAHUA: EL PASO GEOLOGICAL SOCIETY, GUIDEBOOK, 1983 FIELD CONFERENCE, 0CT. 7-9, 1983, PLATE 1, SCALE 1:500000.

  • Deposit

    MINING MAGAZINE, 1986, V. 154, NO. 4, P. 293.

  • Deposit

    SHARP, W.B., AND GOODELL, P.C., 1990, AN OVERVIEW OF THE GEOLOGY AND MINERALIZATION OF THE BISMARK DISTRICT, CERRO DE BISMARK, CHIHUAHUA, MEXICO, IN GOODELL, P.C., AND SHARP, W.B., EDS., FIELDTRIP GUIDEBOOK, CERRO DE BISMARK, CHIHUAHUA: SYMPOSIUM ON MINERAL RESOURCES OF THE CHIHUAHUA DESERT, FEB. 16-18, 1990, EL PASO, TX, P. 23-34.

  • Other Database

    CIMRI

  • Reserve-Resource

    MINE STAFF

General comments

Subject category Comment text
Deposit THE OLD BISMARK MINE DESCRIBED IN EARLIER REPORTS AS PRECIOUS METAL-BEARING CONTACT METASOMATIC DEPOSIT CONSISTING OF POCKETS OF FE-, MN-, AND CU-OXIDES CARRYING AU-AG VALUES IN QUARTZ MATRIX; IN LIMESTONE ALONG CONTACT WITH RHYOLITE DIKE TRENDING N47E. THE NEW BISMARK DEPOSIT IS A STEEPLY DIPPING, TABULAR ZONE WITH ONE MAJOR SPLAY AND CONSISTS OF 5 ORE BODIES OF IRREGULAR SHAPE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-APR-90 Long, Keith R. And Mckelvey, G.E. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.