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Tynagh Pb, Zn, Cu, Ag Mine

Past Producer in Ireland with commodities Lead, Zinc, Silver, Copper, Cadmium, Peat
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10073082
MRDS ID W018895
Record type Site
Current site name Tynagh Pb, Zn, Cu, Ag Mine

Geographic coordinates

Geographic coordinates: -8.38098, 53.14912 (WGS84)
Relative position 1.6 KM FROM TYNAGH VILLAGE, 64 KM BY AIR NE OF SHANNON AIRPORT, 144 KM BY AIR W. OF DUBLIN

Site location context

Political divisions (FIPS codes)

Ireland(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Ireland

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Secondary
Cadmium Tertiary
Peat Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Mimetite Ore
Sphalerite Ore
Albite Gangue
Barite Gangue
Bournonite Gangue
Calcite Gangue
Chlorite Gangue
Geocronite Gangue
Marcasite Gangue
Millerite Gangue
Pyrite Gangue
Quartz Gangue
Siegenite Gangue

Alteration

  • (Local) Dolomitization Of Wallrock

Analytical data

Result 1965 DRILL DATA INDICATES SECONDARY ORE GRADES 9.2% PB, 7.5% ZN. PRIMARY ORE 4.8% PB, 4.3% ZN

Mineral occurrence model information

Model code 208
USGS model code 31a
Deposit model name Sedimentary exhalative Zn-Pb
Mark3 model number 13

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Waulsortian Reef Limestone
    Rock description Waulsortian Reef Limestone
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -8.38098, 53.14912
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Caledonian Fold Belt
Type of structure Local
Structure description North Tynagh Fault Forms - The Orebody'S Southern Boundary

Ore body information

  • General form BOAT SHAPED (SECONDARY ORE) IRREGULAR (PRIMARY ORE)
    Thickness 75M
    Length 670M
    Width 150M

Controls for ore emplacement

  • Fault Control

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1961
Discoverer Irish Base Metals Ltd
Year of first production 1965

Ownership information

  • Type Operator
    Owner Irish Base Metals Ltd.
  • Type Owner
    Owner Northgate Exploration Ltd.

Production statistics

  • Year 1976
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4. % Pb, 3.02 % Zn, .19 % Cu, 58.3 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 58g/mt
    Major Ore Copper Copper 0wt-pct
    Major Ore Zinc Zinc 3wt-pct
    Major Ore Lead Lead 4wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Total resources 2500000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.89 wt-pct Lead Major 1976
    Zinc Zn 3.75 wt-pct Zinc Major 1976
    Silver Ag 31 g/mt Silver Major 1976
    Copper Cu 0.18 wt-pct Copper Minor 1976
  • Type In-situ
    Estimate year 1985
    Total resources 12000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.9 wt-pct Lead Major 1985
    Zinc Zn 4.5 wt-pct Zinc Major 1985
    Silver Ag 58 g/mt Silver Major 1985
    Copper Cu 0.4 wt-pct Copper Minor 1985
  • Type In-situ
    Estimate year 1976
    Total resources 25000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.89 wt-pct Lead Major 1976
    Zinc Zn 3.75 wt-pct Zinc Major 1976
    Silver Ag 31 g/mt Silver Major 1976
    Copper Cu 0.18 wt-pct Copper Minor 1976

Comments on the reserve resource information

  • NORTHERN MINER, 1977

Comments on development

  • MILL.CAP: 795 MET TONS ; ECON.YEAR: 1973 ; ECON.COM: 2177 MTPD MILL CAP.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SECONDARY OREBODY IS 670 M LONG, UP TO 150 M WIDE, UP TO 75 M THICK IN THE MIDDLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1975 Schruben, Paul G. U.S. Geological Survey
Updater 01-JAN-1988 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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