Mining Incidents

Twin Buttes Sulfide Mill: 4 reportable incidents Metal/Non-Metal

Anamax Mining Company · Facility
Pima County, AZ  ·  Abandoned
MSHA Mine ID: 0200850

MSHA record for Twin Buttes Sulfide Mill (mine ID 0200850). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
4
Years on record
1983–1984
Latest incident
Feb 1984
Ownership history
  1. Anamax Mining Company 1950 to present
Source: MSHA controller and operator history, updated weekly.

Twin Buttes Sulfide Mill sits in Pima County, Arizona, where the Census mining category is 0.6% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Pima County, Arizona · Population 1,049,947
0.6%
Mining share of county employment
$67,929
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
No fatalities recorded at this mine.

Reportable incidents

4 on file

1984 · 1 incident

February 2, 1984 AZ · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant MACHINERY
Anamax Mining Company · Struck by falling object

DRILLING CATHODES FOR SAMPLES WHEN STACK OF COPPER CATHODES FELL OF LEFT HAND.

1983 · 3 incidents

May 17, 1983 AZ · Metal/Non-Metal HANDTOOLS (NONPOWERED)
Anamax Mining Company · Struck by... (Not Elsewhere Classified)

USING HOOK KNIFE TO STRIP CABLE ON PV 6 BELT AND CUT RIGHT RING FINGER.EMPL CUTTING TOWARD RIGHT HAND HOLDING BELT.

May 13, 1983 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Anamax Mining Company · Caught in, under or between a moving and a stationary object

TRYING TO HELP GUIDE LOWER HALGF OF COOKER IN PLACE.PULLED ON CHOKER HOLDING COOKER,CHOKER SLIPPED AND PULLED AROUND CORNER CATCHING RIGHT INDEX FINGER BETWEEN CHOKER AND COOKER.WAS NOT USING GUIDE ROPE.

February 2, 1983 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Anamax Mining Company · Struck against stationary object

EMPLOYEE WAS USING AN IMPACT WRENCH TO LOOSEN BOLTS ON A MILL WHEN THE SOCKET CAME OFF THE WRENCH CAUSING HIM TO HIT SMALL FINGER OF RIGHT HAND AGAINST THE MILL.