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  3. Mineral Resource Data System (MRDS)

Ireland Mine

Past Producer in Sierra county in California, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10213853
MRDS ID X025385
MAS/MILS ID 0060910166
Record type Site
Current site name Ireland Mine
Alternate or previous names Ireland
Related records 10106529, 10237899

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.82463, 39.44489 (WGS84)
Elevation 1143
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018 N 010 E 11 NWSE California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -120.82463, 39.44489
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    CALIF JOUR MINES & GLG, V52 NO3 JULY 1956 PP 254-5

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 01/09/2013
MSHA mine ID0404319
Mine name (MSHA)Irelan Mine
Current operatorHAROLD MASON LIVING TR DTD 9-25-96 AS AMENDED
Current controller (parent)Daniel Mason
Mine typeUnderground (Metal / non-metal)

Inferred by coordinate + name similarity (491 m, 0.92 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

External references

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.