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  3. Mineral Resource Data System (MRDS)

Redmoor

Plant in United Kingdom with commodities Copper, Silver, Tin, Tungsten, Zinc
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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. Production statistics
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10182518
MAS/MILS ID 4120100040
Record type Site
Current site name Redmoor

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -4.31446, 50.49904 (WGS84)

Site location context

Political divisions (FIPS codes)

United Kingdom(country)

Europe(continent)

Land(continent)

Geographic areas

Country
United Kingdom

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Tin Critical Primary
Tungsten Critical Primary
Zinc Critical Primary

Materials information

Materials Type of material
Cassiterite Unknown
Chalcopyrite Unknown
Sphalerite Unknown
Wolframite Unknown

Nearby scientific data

Ore Body (1) -4.31446, 50.49904
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 861010

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1980
Mining method Shrinkage Methods
Year of first production 1985
Plant type Beneficiation (Mill)
Plant subcategory Gravity
Milling method Gravity

Ownership information

  • Type Owner
    Owner Southwest Minerals Ltd
    Interest 100
    Year 1983

Production statistics

  • Year 1987
    Period 1985 Thru 1987
    Description 300000 Mt Ore/Yr 1985 Thru 1987 Mt Ore
  • Year 1991
    Period 1988 Thru 1991
    Description 0 Mt Ore/Yr 1988 Thru 1991 Mt Ore
  • Year 1994
    Period 1992 Thru 1994
    Description 300000 Mt Ore/Yr 1992 Thru 1994 Mt Ore

Comments on the production information

  • THE MILLING COST OF $12.15 PER TONNE ACCOUNTS FOR ALL FIVE PRODUCTS. IN ADDITION TO THIS MILLING COST THE FOLLOWING SMELTING COSTS APPLY: $543.29 FOR TIN, $1655.00 FOR WO3, $205.21 FOR COPPER WHICH INCLUDES SILVER AS A BYPRODUCT, AND $206.31 FOR ZINC IN WHICH SILVER IS ALSO A BYPRODUCT.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Indicated 44000000mt ore
    Demonstrated 44000000mt ore
    Total resources 44000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.1 wt-pct Tin Major 1982
    Tungsten Wo3 0.1 wt-pct Tungsten Major 1982
    Copper Cu 0.25 wt-pct Copper Major 1982
    Zinc Zn 0.1 wt-pct Zinc Major 1982
    Silver Ag 3 g/mt Silver Minor 1982
  • Type In-situ
    Estimate year 1982
    Indicated 800000mt ore
    Demonstrated 800000mt ore
    Total resources 800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 0.97 wt-pct Tin Major 1982
    Tungsten Wo3 0.5 wt-pct Tungsten Major 1982
    Copper Cu 1.3399 wt-pct Copper Major 1982
    Zinc Zn 0.51 wt-pct Zinc Major 1982
    Silver Ag 22.74 g/mt Silver Minor 1982
  • Type In-situ
    Estimate year 1990
    Measured 44000000mt ore
    Demonstrated 44000000mt ore
    Total resources 44000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.25 wt-pct Copper Major 1990
    Tungsten Wo3 0.1 wt-pct Tungsten Major 1990
    Tin Sn 0.1 wt-pct Tin Major 1990
    Zinc Zn 0.1 wt-pct Zinc Major 1990

Comments on the reserve resource information

  • 9592000 MT RERSOUCE IN 1989

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method SHRINKAGE W/CUT AND FILL
    Percent Recovery 100
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Number of Shafts 1
    1st Condition of Workings UNKNOWN
    Capacity 2200
    Capacity Units MT ORE/DAY
    Unit Production Cost 20.55
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 3
    Year of Information 1983

Comments on other economic factors

  • IT HAS BEEN PROJECTED THAT THE NARROW HIGH GRADE LODE MATERIAL WOULD BE MINED AND PROCESSED FIRST AT A PRODUCTION LEVEL OF 1,200 MT/D WHILE THE HIGHER GRADE OF THE SHEETED VEIN MATERIAL WOULD BE DEVELOPED AND MINED SUBSEQUENTLY AT 2,400 MT/D.
  • THE COST AND CAPACITY DATA LISTED ARE FOR THE YEAR 1988 WHEN THE PROPERTY IS EXPECTED TO BE IN FULL PRODUCTION.

Reference information

Bibliographic references

  • Deposit

    SOUTHWEST CONSOLIDATED RESOURCES PLC ANNUAL REPORTS 1981-82.

  • Deposit

    MINING JOURNAL, JUNE 6, 1980, P 471, 473.

General comments

Subject category Comment text
Deposit THERE ARE TWO MINERALIZED ZONES: . 1. NARROW LODE CONTAINING TWO VEINS DIMENSIONS: 500 BY 300 BY 2 METERS (AVG. WIDTH) 2. SHEETED VEIN STRUCTURE DIMENSIONS: 500 LENGTH, 400 DOWN DIP AND 80 M WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 20-APR-1995 Sager, Ron U.S. Bureau of Mines

Beyond USGS

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

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