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  3. Mineral Resource Data System (MRDS)

Navan

Producer in Ireland with commodities Zinc, Lead, Silver, Barium-Barite
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10079610
MRDS ID W029649
Record type Site
Current site name Navan
Alternate or previous names Tara, An Uaimh

Geographic coordinates

Geographic coordinates: -6.68094, 53.64909 (WGS84)
Relative position 48 KM NORTH OF DUBLIN.

Site location context

Political divisions (FIPS codes)

Ireland(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Ireland

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Secondary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Barite Ore
Fluorite Ore
Galena Ore
Sphalerite Ore
Calcite Gangue
Dolomite Gangue
Quartz Gangue

Analytical data

Result RATIO ZN/PB = 5 :

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 Conglomerate Group & Visean Upper Dark Limestone;Pale Beds (Contain Orebodies);Muddy Limestone;Red Beds
    Rock description Conglomerate Group & Visean Upper Dark Limestone;Pale Beds (Contain Orebodies);Muddy Limestone;Red Beds
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -6.68094, 53.64909
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Gently Sw-Plunging Anticline With A Core Of Devonian Red Beds
Type of structure Local
Structure description Fault Striking Ene, Dipping South

Ore body information

  • General form TABULAR LENSES (STACKED LENSES)
    Dip 25-35 WSW
    Thickness 82M
    Length 732M
    Width 610M

Controls for ore emplacement

  • Pale Beds (Dolomitic Limestones)

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No
Discovery year 1970
Year of first production 1977

Ownership information

  • Type Operator
    Owner Tara Mines Ltd. ; Outokumpu Oy
    First year 1977
    Last year 1986
  • Type Owner
    Owner Outokumpu Oy (75%), Irish Government (25%) As Of March 1986

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 90000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 10 wt-pct Zinc Major 1985
    Lead Pb 2.3 wt-pct Lead Major 1985
  • Type In-situ
    Estimate year 1976
    Total resources 6078000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 11 wt-pct Zinc Major 1976
    Lead Pb 2.4 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 3084000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 11.43 wt-pct Zinc Major 1976
    Lead Pb 2.35 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 3021000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 11.43 wt-pct Zinc Major 1976
    Lead Pb 2.35 wt-pct Lead Major 1976

Workings at the site

  • Type of workings Underground
    Overall depth 314M

Reference information

Bibliographic references

  • Deposit

    DOWNES, K. 1977 (CONFID.REPORT) MAJOR BASE METAL DEPOSITS OF IRELAND.- INSTITUTE FOR INDUSTRIAL RESEARCH & STANDARS.

  • Deposit

    WORLD MINING AUGUST 1977 PP 42-44

  • Deposit

    MINING MAGAZINE, OCTOBER 1977 PP.300-318

  • Deposit

    BURTON, C. 1977 (CONFID. REPORT) JJRS.

  • Deposit

    O'BRIEN, M.V., AND ROMER, D.M., 1971, TARA'S ZINC-LAD DISCOVERY AT NAVAN, REPUBLIC OF IRELAND: CANADIAN MINING JOURNAL, APRIL, 1971, P. 81-82.

  • Deposit

    MENZIE AND MOSIER, 1985: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-206.

  • Deposit

    ENGINEERING AND MINING JOURNAL, AUGUST, 1976, P. 135.

  • Deposit

    KENNEDY, ALAN, 1989, TARA MINE RE-EQUIPS FOR RAISED PRODUCTIVITY: MINING MAGAZINE, APRIL, 1989, P. 262-268.

  • Production

    KENNEDY, 1989, P. 262.

  • Reserve-Resource

    MENZIE AND MOSIER, 1985

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 Krauss, Ulrich H. U.S. Geological Survey
Updater 01-JUN-1989 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

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

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