Sweetwater

Past Producer in Reynolds county in Missouri, United States with commodities Cadmium, Cobalt, Copper, Lead, Nickel, Silver, Zinc

Geologic information

Identification information

Deposit ID 10293984
MRDS ID W016746
MAS/MILS ID 0291790008
Record type Deposit
Current site name Sweetwater
Alternate or previous names Ozark Mine, Frank R. Milliken, Ozark Lead, Adair Creek, Milliken Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -91.14823, 37.35977 (WGS84)
Elevation 360
Location accuracy 10(meters)
Relative position On Adair creek, 8 km SW of Reynolds, MO. and 20 km NW of Ellington, MO.
(click for info)

Geographic areas

Country State County
United States Missouri Reynolds
United States Missouri Shannon

Commodities

Commodity Importance
Cadmium Tertiary
Cobalt Tertiary
Copper Tertiary
Lead Primary
Nickel Tertiary
Silver Secondary
Zinc Secondary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Chalcopyrite Ore
Linnaeite Ore
Bornite Ore
Covellite Ore
Digenite Ore
Dolomite Gangue
Calcite Gangue
Dickite Gangue
Marcasite Gangue
Millerite Gangue
Polydymite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 224
USGS model code 32a
BC deposit profile E12
Deposit model name Mississippi Valley, S.E. Missouri Pb-Zn
Mark3 model number 42

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Bonneterre Fm.
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Wacke
    Rock type qualifier dolomitic
    Rock unit name Bonneterre Fm.
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
    Rock unit name Bonneterre Fm.
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

Main Entrance (1) -91.14823, 37.35977

Geologic structures

Type Description Terms
Regional NW-trending, high-angle reverse fault with approx 100 ft of vertical displacement
Local NW trending buried Precambrian ridge or series of knobs, against which the Cambrian rocks pinches out.
Local A gentle anticlinal-synclinal system in the western part of the mine area.

Ore body information

  • Thickness 85M
    Depth to top 430M
    Width 150M
    Length 12000M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 DOLOMITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N00E
    Minimum Depth to Top 400
    Date of Last Modification 830718
  • Area 160HA
    Field Value
    Total Surface Area (HA) 160
    Date of Last Modification 910418

Controls for ore emplacement

  • Stratigraphic within the Bonneterre fm., breccia, faults, fractures, folds, and flanks of highs.

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant Yes
Discovery year 1962
Mining method Open Stope - Room and Pillar
Year of first production 1968
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Southeast Mo

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Fee Ownership
Type of mineral rights Minerals Only

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Asarco (American Smelting And Refining Co.)
    ID 2300458
    Interest 100
    Home office 180 Maiden Lane, New York, N Y 10038
    Year 1987
  • Type Owner
    Owner Bear Creek Mining Co.
  • Type Owner
    Owner Ozark Lead Co.

Production statistics

  • Year 1968
    Description 6.81% Pb, 0.99% Zn, 0.10% Cu, 0.65 Oz Ag 205299 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 18g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 7wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1969
    Description 8.52% Pb, 1.00% Zn, 0.10% Cu, 0.65 Oz Ag 771000 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 18g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 9wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1970
    Description 8.75% Pb, 0.69% Zn, 0.16% Cu, 0.42 Oz Ag 1211600 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 12g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 9wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1971
    Description 5.63% Pb, 0.87% Zn, 0.12% Cu, 0.34 Oz Ag 1013500 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 10g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 6wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1972
    Description 5.58% Pb, 0.85% Zn, 0.16% Cu, 0.36 Oz Ag 1271299 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 10g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 6wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1973
    Description 5.43% Pb, 0.89% Zn, 0.18% Cu, 0.37 Oz Ag 1114100 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 10g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1974
    Description 5.21% Pb, 0.64% Zn, 0.20% Cu, 0.30 Oz Ag 1464200 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1975
    Description 5.05% Pb, 0.59% Zn, 0.15% Cu, 0.29 Oz Ag 1342799 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1976
    Description 5.04% Pb, 0.77% Zn, 0.12% Cu, 0.29 Oz Ag 1309299 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1977
    Description 4.86% Pb, 0.71% Zn, 0.15% Cu, 0.27 Oz Ag 1387100 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1978
    Description 4.85% Pb, 0.62% Zn, 0.09% Cu, 0.27 Oz Ag 1437200 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1979
    Description 5.24% Pb, 0.56% Zn, 0.11% Cu, 0.25 Oz Ag 1039799 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 7g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1980
    Description 4.56% Pb, 0.51% Zn, 0.20% Cu, 0.24 Oz Ag 1630200 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 7g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 5wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1981
    Description 4.17% Pb, 0.80% Zn, 0.13% Cu, 0.29 Oz Ag 1883100 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 4wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1982
    Description 6.32% Pb, 0.57% Zn, 0.06% Cu, 0.30 Oz Ag 1428700 Short Tons Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8g/mt
    Trace Copper Copper 0wt-pct
    Major Lead Lead 6wt-pct
    Minor Zinc Zinc 1wt-pct
  • Year 1983
    Description 2 Months Operation Prior To Mine And Mill Plant Shutdown On March 4, 1983 68426 Short Tons Ore Milled During Jan./Feb. 1983
  • Year 1993
    Description Ore Milled/98.5% Recovery 1148 Short Tons
  • Year 1994
    Description Ore Milled/98.3% Recovery 1260 Short Tons
  • Year 1995
    Description Ore Milled/98.1% Recovery 1269 Short Tons
  • Year 1995
    Description Silver Production 272000 T Oz/Yr Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 8,460,147g

Comments on the production information

  • CAPACITY FIGURE INCLUDES 15% DILUTION. PB, CU, AND AG RECOVERY VALUES FOR THE PB CONCENTRATE AND PB, ZN, CU, AND AG RECOVERY VALUES FOR THE ZN CONCENTRATE ARE DERIVED FROM 1981 U.S.B.M. PRODUCTION STATISTICS OTHER RECOVERY VALUES ARE TAKEN FOM TABLE IV, GRANT GO 155019 BY HAGNI AND JESSEY. FEED AND CONCENTRATE GRADES ARE BASED UPON ZERO PERCENT MOISTURE.
  • DUE TO LACK OF ADEQUATE SPACE FOR INCLUSION OF SIGNIFICANT VALUES IN THE RECOVERY SECTION OF THE "Y" DATA SET, THE READER SHOULD BE AWARE THAT THE FOLLOWING VALUES HAVE A GREATER DEGREE OF STATISTICAL SIGNIFICANCE THAN DO THE ROUNDED VALUES PRESENTED IN THE "Y" SETS ABOVE: PRODUCT Y-LINE NO. RECOVERY (%) 1C 01 98.4 1D 02 78.5 2G 01 98.1 2G 02 15.5 2G 06 8.9 2G 07 22.3 2H 02 78.5 2I 03 23.9 2J 03 3.1

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Demonstrated 17,870,000mt ore
    Measured 17,870,000mt ore
    Total resources 17,870,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.83 wt-pct Lead Major 1994
    Zinc Zn 0.62 wt-pct Zinc Minor 1994
    Silver Ag 3.4 g/mt Silver Minor 1994
  • Type In-situ
    Estimate year 1996
    Demonstrated 10,341mt ore
    Total resources 10,341mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.51 wt-pct Lead Major 1996
    Zinc Zn 0.38 wt-pct Zinc Minor 1996
    Silver Ag 3.43 g/mt Silver Minor 1996

Comments on the reserve resource information

  • FORMERLY THE FRANK R. MILLIKEN MINE, MISSOURI, ALSO OZARK LEAD, AND ADAIR CREEK MINES. UPDATED IN 10/88 USING INTER. PB/ZN STUDY AND BROOK HUNT STUDY DATA. INHOUSE DATA OLD AND OUT OF DATE. 1994 UPDATE FROM ASARCO SEC FROM 10-K REPT. 12/31/93, PP. A14-A18

Workings at the site

  • Type of workings Underground
    Overall depth 441M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .81
    Percent Waste Rock 1
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 6
    Length of Inclines (m) 914
    Slope of Inclines 15
    Number of Inclines 1
    1st Condition of Workings UNKNOWN
    2nd Condition of Workings OPEN
    Capacity 7257.4
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.58
    Units of Production $/MT ORE
    Operating Days per Year 252
    Operating Shifts per Day 3
    Year of Information 1979
  • Type of workings Underground
    Overall depth 441M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 4
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .81
    Percent Waste Rock 1
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 6
    Length of Inclines (m) 914
    Slope of Inclines 15
    Number of Inclines 1
    1st Condition of Workings UNKNOWN
    2nd Condition of Workings OPEN
    Capacity 7257.4
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.58
    Units of Production $/MT ORE
    Operating Days per Year 252
    Operating Shifts per Day 3
    Year of Information 1979

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 0291790008
USGS Mineral Resources Data System MRDS W016746 MRDS dep_id 10072183 merged into 10293984
Mine Safety and Health Administration MSHA MSHA 2300458

Bibliographic references

  • Deposit

    MOUAT, M.M., AND CLENDENIN, C.W., 1977, GEOLOGY OF THE OZARK LEAD COMPANY MINE, VIBURNUM TREND, SOUTHEAST MISSOURI: ECON. GEOL., V. 72, NO. 3, P. 398-407.

  • Geology

    MOUAT,M.M., AND C.W. CLENDENIN,JR. OZARK LEAD COMPANY MINE, VIRBURNUM TREND, SOUTHEAST MISSOURI. CHAPTER IN GUIDEBOOK TO THE GEOLOGY AND ORE DEPOSITS OF SELECTED MINES, MISSOURI DEPT. NAT. RES. REPT. INVESTIGATIONS NO. 58,1975, PP. 48-56.

  • Deposit

    RYAN, J.P., AND MARTIN, J.A., 1971, THE MINERAL INDUSTRY OF MISSOURI: USBM MINERALS YEARBOOK, V. 2, AREA REPORTS: DOMESTIC, P. 423-435.

  • Production

    MINERAL YEARBOOK, 1971, V. 2, P. 431

  • Production

    CH. IN AIME WORLD SYMPOSIUM ON MINING AND METALLURGY OF LEAD AND ZINC, ED. BY D. O. RAUSCH AND B. C. MARIACHER. THE AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS. N.Y., N.Y., V. I, 1970, PP. 483-498.

  • Production

    WHITE, T. G., AND K. L. CLIFFORD. MILLING OF LEAD-ZINC ORES - USA. CH. IN LEAD-ZINC UPDATE, ED. BY D. O. RAUSCH, F. M. STEPHENS, JR., AND B. C. MARIACHER. SOCIETY OF MINING ENGINEERS OF THE AMERICAN INSTITUTE OF MINING METALLURGICAL AND PETROLEUM ENGINEERS, N.Y., N.Y., 1977, PP. 125, 127, 135, 137, 140-143.

  • Production

    LAGERGREN, M.A., AND A.W. GRIFFITH. DESIGN CONSTRUCTION AND OPERATION OF OZARK LEAD COMPANY'S TAILINGS DISPOSAL SYSTEM. PROC. (ENTITLED "TAILINGS DISPOSAL TODAY") OF THE FIRST INTERNATIONAL TAILING SYMPOSIUM, OCT. 31 - NOV. 3, 1972, MILLER FREEMAN PUBLICATIONS, SAN FRANCISCO, CA., 1973, PP. 714-733.

  • Reserve-Resource

    ASARCO INC. SEC FORM 10-K REPORT, DEC 31, 1993, PP. A16-A18.

  • Reserve-Resource

    SKILLINGS MINING REVIEW MAGAZINE. ASARCO SLATES SWEETWATER MINE FOR LIMITED PRODUCTION. AUG 8, 1987. P. 3.

  • Reserve-Resource

    ASARCO INCORPORATED 1995-10K

  • Workings

    ENGINEERING AND MINING JOURNAL. THE NEW LEAD BELT. OCTOBER 1970, PP. 67-78.

  • Workings

    CHRISTIANSEN, C.R., AND J.J. SCOTT. MINING SYSTEMS IN THE NEW LEAD BELT OF SOUTHEAST MISSOURI. CHAPTER 11 IN VOL. 1 OF LEAD & ZINC, A.I.M.E. SYMPOSIUM, 1970, PP. 206-217.

  • Workings

    GERITY, C.E. OZARK'S HAULAGE SYSTEM GETS THE LEAD OUT. MINING ENGINEERING, NOVEMBER 1972, PP.41-44.

  • Workings

    WEAKLY, L. A. ORE MOVING LOGISTICS FOR ROOM AND PILLAR MINES IN THE VIBURNUM TREND. MINING ENGINEERING, APRIL 1982, PP. 406-407.

  • Deposit

    DRESSEL, W. M. (FORMER STATE LIASON OFFICER). PERSONAL COMMUNICATIONS, 8-2-79.

  • Deposit

    ASARCO INCORPORATED 10-K

General comments

Subject category Comment text
Deposit U.S. BUMINES MINERALS AVAILABILITY SYSTEM GRANT NO. GO 155019 BY R.D. HAGNI AND D.R. JESSEY, 1976, ENTITLED "COLLECTION, EVALUATION, AND CLASSIFICATION OF MINERAL RESOURCES INFORMATION ON COBALT AND NICKEL IN MISSOURI". EVALUATION I.F.O.C., 1979. THE OZARK MINE OFFICIALLY BECAME THE FRANK R. MILLIKEN MINE IN CEREMONIES AT THE MINE ON AUGUST 2, 1979. MILLIKEN IS A PAST PRESIDENT OF KENNECOTT COPPER CORP. (REF. 001). THE ORIGINAL I.F.O.C. EVALUATION WAS UPDATED DURING FISCAL YEAR 1983. ON MARCH 4, 1983, KENNECOTT SHUT DOWN ITS OZARK LEAD COMPANY DIVISION AS A RESULT OF CONTINUINGLY-POOR ECONOMIC AND MARKET CONDITIONS. THE PROPERTY REMAINS ON A TEMPORARY SHUTDOWN STATUS AT THE TIME OF THE I.F.O.C. PROPERTY EVALUATION UPDATE. PROPERTY UPDATED SEPT 1987

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-76 Weeks, Robert U.S. Geological Survey
Reporter 29-JAN-97 Difrancesco, Carl A. U.S. Bureau of Mines