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Silvermines

Producer in Ireland with commodities Zinc, Lead, Silver
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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 10073081
MRDS ID W018892
Record type Site
Current site name Silvermines
Alternate or previous names Mogul

Geographic coordinates

Geographic coordinates: -8.231, 52.78245 (WGS84)
Relative position AT SILVERMINES NEAR NENAGH

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

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Barite Gangue
Boulangerite Gangue
Bournonite Gangue
Calcite Gangue
Dolomite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Dolomitization & Formation Of Pyrite, Arsenopyrite

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
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Dolomite Breccia;Muddy Limestones;Dolomite
    Rock description Dolomite Breccia;Muddy Limestones;Dolomite

Nearby scientific data

(1) -8.231, 52.78245
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description In Hanging Wall Of Major Ene Trending Normal Fault

Ore body information

  • General form BEDDED AND VEINS
    Thickness 27M

Controls for ore emplacement

  • Fault Control

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1968

Ownership information

  • Type Owner-Operator
    Owner Mogul Of Ireland, Ltd.

Production statistics

  • Year 1975
    Material ZN CONC
    Accuracy Accurate
    Description Ap_Grade: ^52.7% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Conc. Zinc Zinc 53wt-pct
  • Year 1975
    Material PB CONC
    Accuracy Accurate
    Description Ap_Grade: ^56.4% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Lead Lead 56wt-pct

Comments on the production information

  • ITEMS 1, 2, 3, 17, 18 - PRELIMINARY FIGURES.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 3850000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.99 wt-pct Zinc Major 1973
    Lead Pb 1.89 wt-pct Lead Major 1973
  • Type In-situ
    Estimate year 1973
    Total resources 920000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4.31 wt-pct Zinc Major 1973
    Lead Pb 3.36 wt-pct Lead Major 1973
  • Type In-situ
    Estimate year 1973
    Total resources 3590000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.36 wt-pct Zinc Major 1973
    Lead Pb 3.56 wt-pct Lead Major 1973
  • Type In-situ
    Estimate year 1985
    Total resources 18000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.4 wt-pct Zinc Major 1985
    Lead Pb 2.8 wt-pct Lead Major 1985
    Silver Ag 21 g/mt Silver Minor 1985
  • Type In-situ
    Estimate year 1973
    Total resources 385000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.99 wt-pct Zinc Major 1973
    Lead Pb 1.89 wt-pct Lead Major 1973
  • Type In-situ
    Estimate year 1973
    Total resources 92000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4.31 wt-pct Zinc Major 1973
    Lead Pb 3.36 wt-pct Lead Major 1973
  • Type In-situ
    Estimate year 1973
    Total resources 359000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.36 wt-pct Zinc Major 1973
    Lead Pb 3.56 wt-pct Lead Major 1973

Comments on the reserve resource information

  • ITEM ONE - UPPER G ZONE. ITEM TWO - LOWER G ZONE. ITEM THREE - B ZONE. ALL AS OF 12-31-73
  • ITEM ONE - UPPER G ZONE, ITEM TWO - LOWER G ZONE ITEM THREE - B ZONE. ALL AS OF 12-31-76

Comments on development

  • MILL.CAP: 9.93 MET TONS ; ECON.YEAR: 1973

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit UPPER G. ZONE IS CONCORDANT, STRATIFORM, FINE GRAINED. LOWER G ZONE IS COARSE GRAINED FISSURE FILLINGS, DISSEMINATIONS, PATCHY REPLACEMENTS. B DEPOSIT 0.8 KM EAST IS SAME AS UPPER G. BARITE DEPOSIT INBETWEEN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 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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