Redwing/Oldwest

Producer in Manicaland, Zimbabwe with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10280168
MAS/MILS ID 7960050003
Record type Site
Current site name Redwing/Oldwest
Alternate or previous names Oldwest/Redwing

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 32.67632, -18.88585 (WGS84)

Site location context

Political divisions (FIPS codes)

Manicaland(province)

Zimbabwe(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Zimbabwe Manicaland

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Bravoite Unknown
Chloritoid Unknown
Hauynite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 32.67632, -18.88585

Economic information

Ore body information

  • Thickness 4M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SHEAR ZONE
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 IRREGULAR
    Date of Last Modification 861215

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1899
Year of first production 1910
Milling method Hydrometallurgy Unspecified

Ownership information

  • Type Owner-Operator
    Owner Independence Mining Ltd. (Lonrho)
    Interest 100

Reserves and resources

  • Type In-situ
    Estimate year 0
    Indicated 1339999mt ore
    Demonstrated 1339999mt ore
    Total resources 1339999mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.31 g/mt Gold Major 0
    Silver Ag 1.94 g/mt Silver Minor 0

Comments on the reserve resource information

  • JUST SOUTH OF TOWN OF PENHALONGA. COMBINED MINES ANALYZED AT CAPACITY OF 210,000 MTPY ORE TO PRODUCE 22,760 OZ AU/YR--1983 AVAIL.STUDY. 1988: 25,077 OZ FROM MILLING 276,000 MTPY ORE. WAS ANALYZED FOR THE 1983 AU AVAIL.STUDY. MAY UPDATE FOR THE 1992 AU AVAILABILITY STUDY. RESERVES ARE OLD 1983 STUDY VALUES.

Workings at the site

  • Type of workings Underground
    Overall depth 131M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN STOPE
    Percent Waste Rock 23
    Percent Recovery 82
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 677
    Capacity Units MT ORE/DAY
    Unit Production Cost 32.38
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1982

Reference information

Bibliographic references

  • Deposit

    1981-1982 WORLD MINES REGISTER.

  • Deposit

    BOWEN, J.D., 1980, GOLD MINES OF RHODESIA, 1890-1980, PUBL.

  • Deposit

    BY THOMSON NEWSPAPERS, RHODESIA (PVT) LTD., PP 78-82.

  • Deposit

    MINING JOURNAL, JUNE 20, 1980, ZIMBABWE - THE MINING SCENE.

  • Deposit

    LONRHO LTD., 1980 ANNUAL REPORT.

  • Deposit

    FOSTER, R.P., 1980, GOLD AND SILVER IN ZIMBABWE, INST. OF

  • Deposit

    MIN. RES., U. OF ZIMBABWE, REPT. NO. 38, 1980.

  • Deposit

    FOSTER, R.P., MANN, A.G., STOWE, C.W., AND WILSON, J.F.,

  • Deposit

    ARCHEAN GOLD MINERALIZATION: PREPRINT FOR GEOL. SOC. OF

  • Deposit

    S.A. - ORE DEPOSITS IN SOUTHERN AFRICA, 1982, 88 PP.

  • Deposit

    HARRISON, N.M., 1979, THE GEOLOGY OF THE REDWING GOLD MINE,

  • Deposit

    PENHALONGA, UMTALI DISTRICT, RHODESIA, SPEC. PUBL., GEOL.

  • Deposit

    SOC. S.A., NO. 5, PP 55-60, 1979.

  • Deposit

    PHAUP, A.E., 1973, THE GEOLOGY OF THE UMTALI GOLD BELT,

  • Deposit

    RHOD. GEOL. SURV. BULL. 32, PP 132-135.

  • Deposit

    THE PRINCIPAL GOLD PRODUCING MINES OF ZIMBABWE - MAP,

  • Deposit

    GOVERNMENT PRINTER, SALISBURY, 1978.

  • Deposit

    MINING IN ZIMBABWE 1981, THE BIG THREE, PUBL. BY THOMSON

  • Deposit

    PUBL. ZIMBABWE LTD., 1981, 92 PP.

General comments

Subject category Comment text
Deposit BENEFICIATION IS BY GRAVITY; COARSE GOLD IS RECOVERED DIRECTLY AND THE FINE GOLD IS TREATED BY CYANIDATION. THE PRODUCTS ARE COMBINED FOR MELTING INTO BULLION. THE BULLION IS SOLD TO THE RESERVE BANK SO SHIPPING COSTS ARE INSIGNIFICANT.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-1992 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

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