Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
273,095
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
Filters 2 active
Time period
Experience at time of incident

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The record

25 matching records

Showing all 25
April 7, 2025 UT · Metal/Non-Metal leaching operator HANDLING OF MATERIALS
Mariana Copper One · Absorption of radiations, caustics, toxic and noxious substances

Employee was leveling and digging trench on the leach pad and the tops of the hands turned red and were dry and appeared to be a sunburn. After being seen EE had a reaction to the process solutions on EE's hands.

September 25, 2022 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Mariana Copper One · Over-exertion in lifting objects

Employee was setting one end of a four inch drill pipe down when they felt a pain to their lower back.

November 18, 2021 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between a moving and a stationary object

Employee was removing a drive shaft on a lube truck when employee's fingers got pinched between the drive shaft and the u-joint

April 18, 2021 UT · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Mariana Copper One · Struck by... (Not Elsewhere Classified)

Employee was rinsing a flask in a sink. The flask slipped out of EE's hand and when EE went to catch it, it broke causing a small laceration to the inside of EE's ring finger. Employee received 3 sutures.

May 17, 2018 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between a moving and a stationary object

Operator was changing bit on the drilling rig, when the bushing slid down the hammer & pinched skin on right little finger between the bit and the bushing. DR cleaned wound and applied superglue. The regulation is vague on this being a reportable due no stitches being used, this delayed the reporting of injury I received verification from MSHA on the nature of this treatment.

March 19, 2016 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between (Not Elsewhere Classified)

EE was trying to remove a stuck cathode from the striping machine. When the cathode un-lodged from the stripping machine it struck EE's right ring finger smashing it against the frame work of the machine. The machine was locked out at the time of the incident.

December 1, 2015 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Over-exertion in lifting objects

Lifting sheet of copper out of the cell line. The edge of the sheet caught employees glove and jerked his left arm forward and down.

April 18, 2015 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mariana Copper One · Over-exertion in lifting objects

Employee was using a gripper to lift a copper cathode, as he lifted the cathode up he twisted to set it down and strained his back.

January 15, 2014 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between a moving and a stationary object

Employee was helping move a stainless steel cathode to a holding rack. As he put his end in the rack he set it down on his finger causing a small laceration. The employee received 4 sutures to close the laceration.

December 31, 2013 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Struck against stationary object

Employee was hooking up a 2" hose to a pump. The clamp on the hose had a sharp edge and as he grabbed the hose to attach it to the pump, he cut his middle finger. He received 8 sutures to close.

August 18, 2012 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Mariana Copper One · Over-exertion (Not Elsewhere Classified)

Employee was climbing the ladder into a 740 Cat haul truck when he felt a pop in his back. He was seen by a doctor and released to light duty.

July 25, 2012 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Over-exertion (Not Elsewhere Classified)

Employee was reaching up to release a locking mechanism when he felt a strain to his shoulder. He was seen on a monthly basis until it was determined by the doctor in January to repair his shoulder. He was put on restricted duty after his surgery.

December 11, 2011 UT · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between a moving and a stationary object

Employee was cleaning the restroom when she slammed her right hand in a door on 12/8/2011. She was seen for soft tissue injury that day. She was seen 3 months later by a physician for that same hand and it was determined that the injury aggravated issues associated with Dupuytren's contracture. She was placed on restricted duty with no use of that hand.

August 16, 2011 UT · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Mariana Copper One · Absorption of radiations, caustics, toxic and noxious substances

Employee was running a forklift when it over heated. He opened the engine compartment to check it and the radiator cap came off spraying his arm with hot coolant. He was placed on restricted duty.

July 27, 2010 UT · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Mariana Copper One · Absorption of radiations, caustics, toxic and noxious substances

Employee was helping move a 2" plastic pipe when the pipe broke at a weld and sprayed the employee with a sulfric acid solution.

May 20, 2010 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mariana Copper One · Over-exertion (Not Elsewhere Classified)

Employee was moving a nitrogen bottle out of a rack when he felt a pull in his groin area.

July 14, 2009 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Caught in, under or between a moving and a stationary object

The employee was trying to free a cathode that was stuck in the reciever of a stripping machine. While trying to free it, the cathode sprung back and caught his hand between the cathode and an I-beam. This caused a laceration to his ring finger.

August 27, 2007 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mariana Copper One · Struck by flying object

Employee was changing a hydraulic cylinder under a stripping machine when something dripped in his eye.

August 24, 2007 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mariana Copper One · Over-exertion in lifting objects

Employee was helping another mechanic install a shock on an ATV. While he was lifting up the back of the ATV he felt a strain to his abdomen. He did not seek medical attention until 09/01/07 at which time he was put on light duty.

April 18, 2007 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Mariana Copper One · Over-exertion (Not Elsewhere Classified)

Employee was exiting a fork lift and sprained his ankle when he stepped to the ground.

December 8, 2006 UT · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Mariana Copper One · Absorption of radiations, caustics, toxic and noxious substances

Equipment mechanic was draining hydraulic oil from the resevoir on a FEL and oil splashed on the employee's face and entered his eyes. The eyes were immediately rinsed out and the employee remained at work. The following day, 12/9/06, the employee complained of irritation in the right eye, a doctor found his eye to be normal, but prescribed eye drops for the irritation.

November 17, 2006 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Over-exertion in lifting objects

Employee was righting an air diaphragm pump and felt a sharp pain in the right groin area. When the injury was reported medical assistance was offered and declined. Employee informed company management on Monday, Nov 20th that he would like to see a doctor. On Nov 21, 2006 the company doctor diagnosed the injury as an inguinal hernia.

July 12, 2006 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Mariana Copper One · Absorption of radiations, caustics, toxic and noxious substances

Employee was connecting surface acid line when a small residual amount of sulfer sprayed the employee's right arm, hand & wrist. Employee was taken to hospital where a prescription strength silva cream was predcribed and the employee was released to full duty.

March 10, 2006 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mariana Copper One · Over-exertion (Not Elsewhere Classified)

Employee was shoveling spillage off catwalk. Shovel caught on a rock and employee felt pain in right shoulder.

December 20, 2005 UT · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Mariana Copper One · Struck by... (Not Elsewhere Classified)

Employee was cutting away section of chute work when it broke loose it caught his glove and pulled his hand in pinning his finger between chute and deck, causing amputation of the tip of left middle finger.

Showing all 25