Mining Incidents

Delta MaterialsMetal/Nonmetal

Controlled by Zachry Corporation
Marble Falls, Burnet County, TX · Active
MSHA Mine ID: 4102810
Fatalities
1
Total incidents
18
Years on record
2003–2025
Latest incident
Feb 2025

Fatalities at this mine

1 recorded
Contact with electrical current

EE was making repairs/troubleshooting inside an electrical box when he contacted an energized component.

Reportable incidents

17 on file (excluding fatalities above)

2025 · 1 incident

Over-exertion (Not Elsewhere Classified)

On 2.20.24, EE was pulling & lifting on an empty battery tray on a CAT 349 Excavator trying to remove it. It did not move, so EE used pry bar to remove. EE reported back soreness the next day but did not want to go to doctor. EE requested to see doctor on 2.24.25 & doctor released to return work. On 2.25.25 doctor required physical therapy and allowed EE to return to work.

2024 · 2 incidents

Caught in, under or between a moving and a stationary object

PM Technician completed their Pre-Shift Inspection on their truck at the beginning of their shift. The hood did not close properly, so the operator rocked it with their hands in an attempt for it to close properly. When the hood closed, it smashed the operator's right middle finger, causing a laceration on the top and bottom of the operator's finger requiring stitches.

Caught in, under or between a moving and a stationary object

On 5/15/24, EE removed a car jack stand from work area. Put their right hand around the center column, while using their left hand to remove the safety pin holding the center column. When pin was removed, the column dropped, causing right thumb to be smashed by the Saddle. EE did not report injury until 5/28/24. Took EE to have thumb evaluated and found it fractured.

2023 · 1 incident

Struck by falling object

Employee was working with a crew clearing accumulation at the 8x20 primary screen. Employee walked away from primary screen to inspect #3 Drive Motor Belts. While looking up to inspect the belts, a falling rock struck the employee on EE's hard hat / face.

2022 · 1 incident

Struck against stationary object

While removing/ attempting to throw a 20 lb rock from the cone crusher, the miner struck right index finger on a lifting eye with a sharp edge. EE was treated at the hospital diagnosed with partial amputation, returned to work same day, operated truck for 8 days until EE saw a hand surgeon 5/12 and was placed off work for 3 days returning 5/16.

2021 · 1 incident

Caught in, under or between a moving and a stationary object

After detaching an impact idler assembly, the miner attempted to push the assembly through the center of the conveyor frame for removal. While doing so the miner pinched and lacerated right thumb between the assembly and the conveyor frame requiring stitches.

2020 · 1 incident

Fall from machine

Contract employee noticed smoke coming from haul unit. EE placed unit in park and exited cab to inspect engine. After noticing a fire in the engine compartment EE jumped over the rail of the 770 haul unit and fractured left leg when landing on the ground.

2019 · 1 incident

Caught in, under or between a moving and a stationary object

Miner exited pick-up truck and while closing door pinched right index finger breaking the tip of EE's index finger.

2017 · 1 incident

Over-exertion in lifting objects

While removing rocks from a crusher 1/30/2017 and welding in a crusher the next day employee reported a strain to right knee. On 2/16 ee was evaluated and the doctor prescribed Physical Therapy making the injury reportable. EE continues to work full duty.

2016 · 1 incident

Struck by... (Not Elsewhere Classified)

Employee while grinding lost body position with grinder and lacerated left pointer finger, left and right thigh, and sprained right knee

2014 · 1 incident

Caught in, under or between (Not Elsewhere Classified)

After locking out the jaw crusher system, operator was attempting to remove a large flat rock from beneath the jaw crusher discharge chute when rock pinched his finger causing a laceration and broken tip of right pinky finger. He was wearing gloves.

2008 · 2 incidents

Struck against stationary object

On 4/17 QC samples were being collected from a conveyor belt. Lockout requirements were not followed. The belt was accidentally activated by another employee for a few seconds. IP's knee contacted a conveyor x-member. No reportable injury was communicated. On 4/28, IP reported that while walking at a lake his knee gave out on 4/26. IP came to work on 4/28 on crutches & light duty.

Struck by falling object

Technician was installing torque converter which was on blocks, into a 769B off road dump vehicle. He placed straps under converter attempting to center it. When technician tried to push converter into position, strap slipped off to the side. Converter fell on technician's left foot causing fracture.

2007 · 1 incident

Fall from machine

Employee was cleaning the windshield of his haul unit. He was in the process of accessing the right side of the truck from his cab when he fell 8.5' to the ground fracturing his left arm. The employee noted that he was not paying attention to where he was walking; his attention was on another employee.

2006 · 2 incidents

Over-exertion (Not Elsewhere Classified)

Employee slammed shifter into reverse and jammed wrist.

Flash burns (electric)

An employee was performing electrical work when an electrical flash caused burns to the side of his face and neck.

2003 · 1 incident

Struck against a moving object

EMPLOYEE WAS DRIVING HAUL TRUCK. WHEELS WENT ONTO BERM AND TRUCK TURNED OVER.