Mining Incidents

Sierra Stone Quarry Metal/Non-Metal

All-Lite Materials · Surface
sparks, Storey County, NV  ·  Intermittent
MSHA Mine ID: 2602082

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Fatalities
0
Total incidents
36
Years on record
2000–2022
Latest incident
Jan 2022
Compliance record
MSHA citations since 2000
257
citations
67
significant & substantial
$163,307
proposed penalties
$146,379
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 6,357 0 0 0.0
2025 Q3 3,760 0 0 0.0
2025 Q2 5,160 0 0 0.0
2025 Q1 3,993 3 2 751.3
2024 Q4 4,416 0 0 0.0
2024 Q3 1,020 7 6 6862.7
2024 Q2 4,436 1 1 225.4
2024 Q1 1,180 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

36 on file

2022 · 1 incident

January 5, 2022 NV · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CEMEX Construction Materials Pacific, LLC · Over-exertion (Not Elsewhere Classified)

Stepped down from low boy semi-trailer onto muddy ground. Foot slipped and twisted right knee awkwardly. Had pain the next day and went to clinic. Right knee sprain.

2019 · 1 incident

April 30, 2019 NV · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management HANDLING OF MATERIALS
CEMEX Construction Materials Pacific, LLC · Caught in, under or between (Not Elsewhere Classified)

Employee exited excavator and wedding ring caught on window frame, causing a laceration to EE's left ring finger

2018 · 1 incident

2010 · 1 incident

June 8, 2010 NV · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
CEMEX Construction Materials Pacific, LLC · Struck by... (Not Elsewhere Classified)

EE received a laceration to his left index finger that required three stitches. He was preparing for a repair on a conveyor belt. While holding a new blade for a cutting knife in his left hand, he went to close a tool box and the blade slipped and caused a cut to his left index finger. After receiving the stitches at the local hospital the ee was returned to full duty.

2007 · 1 incident

October 12, 2007 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
CEMEX Construction Materials LP · Struck against stationary object

While walking on flat ground to move a forklift he stepped on a rock and twisted his ankle.

2006 · 6 incidents

August 7, 2006 NV · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CEMEX Construction Materials LP · Struck against a moving object

While operating a loader, the employee was dumping material into a grizzly. The tilt control on the loader stuck allowing the bucket to roll forward hitting the bucket stops. This jarred the loader causing an injury to the employees lower back. Lower lumbar strain.

July 27, 2006 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CEMEX Construction Materials LP · Over-exertion (Not Elsewhere Classified)

Employee was helping another employee remove a seat from a front end loader. The injured employee was in a ackward position during the removal process and strained his back. Strained Back

May 5, 2006 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall onto or against objects

Employee was standing with one foot on a conveyor frame and the other foot on a cross brace of the conveyor tunnel wall. While he was striking the side of a material hopper with a hammer to clear some blockage, his foot slipped and he struck his back against the wall of the tunnel. Lower back contusion.

March 11, 2006 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CEMEX Construction Materials LP · Struck against a moving object

Employee was backing a backhoe down an incline. When he hit the brakes to stop, the backhoe slid sideways, struck a bank and turned over on its side. The employee struck his left foot against the rollover protection, causing a contusion.

January 24, 2006 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall to the walkway or working surface

Employee was walking down a slopped area, when he tripped and fell. He reached out with his right hand to break his fall, and felt a pain in his right hand. (Metacarpal fracture of right hand)

January 18, 2006 NV · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
CEMEX Construction Materials LP · Fall onto or against objects

Employee slipped and fell against conveyor frame. (Rib Contusion)

2005 · 5 incidents

September 28, 2005 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
RMC Nevada, Inc. · Caught in, under or between (Not Elsewhere Classified)

The employee was using a bar to pry up on a pulley shaft. They had a motor and gear box suspended from a come-a-long and the lifting eye broke. When the motor and gear box dropped, the employee's finger was caught between the pry bar and the conveyor rock box. (Fracture of the right ring finger)

May 4, 2005 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
RMC Nevada, Inc. · Over-exertion in wielding or throwing objects

Employee was throwing a weighted rope to capture a pump float, and felt a pop in his right arm. Ruptured right bicep

April 13, 2005 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
RMC Nevada, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was flipping a section of screen material over and strained his upper back. Thoracic strain

March 30, 2005 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
RMC Nevada, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was shoveling on elevated platform, he twisted and felt pain in lower back. Lumbar Sprain

March 22, 2005 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Fall onto or against objects

Employee was dismounting cat skid steer loader, slipped and hit shin and knee on loader bucket. Sprain of knee and leg.

2004 · 8 incidents

October 16, 2004 NV · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
RMC Nevada, Inc. · Caught in, under or between (Not Elsewhere Classified)

Employee was removing a rock from a primary bypass chute, when the employee threw the rock over the side of the chute he caught his hand between the side of the chute and the rock. Left hand laceration

October 3, 2004 NV · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
RMC Nevada, Inc. · Struck by flying object

Employee was clearing a clogged material chute, he hit a large rock slab with a hammer and small peice of dirt flew up and went under his safety glasses and got into his eye. (superficial injury of cornea)

September 28, 2004 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was walking on walkway, stepped in dip on walkway and twisted knee. Sprained Knee (Right).

August 28, 2004 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Fall from ladders

Employee was stepping up onto a ladder, and slipped, falling backwards. The fall resulted in a contusion to the back.

August 12, 2004 NV · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
RMC Nevada, Inc. · Struck by... (Not Elsewhere Classified)

The injured employee and another employee had a disagrement which broke out into an arguement. The arguement escalated into a physical altercation, the second employee struck with his fist to the left cheek. Resulting in a laceration to the left cheek requiring nine stitches.

July 21, 2004 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
RMC Nevada, Inc. · Struck by... (Not Elsewhere Classified)

Employee was shoveling around conveyor, shovel hit conveyor belt and kicked it back striking the employee on the left forearm. Left forearm contusion.

May 28, 2004 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Over-exertion (Not Elsewhere Classified)

Employee was walking to service vehicle, tripped over rock fell backwards causing left knee to twist. Employee didn't seek medical attention until 06/22/04

April 22, 2004 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
RMC Nevada, Inc. · Struck against stationary object

Employee was working under a screen, when he was walking out from under the screen he stood up before he cleared the frame holding the screen and struck his head on a frame cross member, resulting in a strained neck.

2003 · 3 incidents

September 15, 2003 NV · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
RMC Nevada, Inc. · Contact with hot objects or substances

MINER WAS CUTTING THE BOLTS OFF A TAIL PULLEY TAKE UP SECTION, & A PIECE OF SLAG BURNT THROUGH THE STITCHING OF HIS BOOT, RESULTING IN A SMALL BURN TO THE TOP OF HIS LT. FOOT.

June 24, 2003 NV · Metal/Non-Metal NO VALUE FOUND
RMC Nevada, Inc. · No Value Found

EMPLOYEE TRIED TO CLIMB A VERTICLE LADDER WITH A BUCKET, THE BUCKET SLIPPED AND THE EMPLOYEE TRIED TO CATCH THE BUCKET AND STRAINED HIS LEFT ELBOW. TENOSYNORITIS - INFLAMATION OF TENDON SHEATH .

2002 · 6 incidents

October 8, 2002 NV · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
RMC Nevada, Inc. · Struck against stationary object

EE WAS INVOLVED IN LABOR WORK AND PLANT MAINTENENACE. WHILE GREASING A HEAD PULLEY, THE HOSE ON THE GREASE GUN GOT STUCK ONT HE ZERK FITTING. THE EE REACHED AROUND THE INSIDE OF THE DRIVE MOTO R TO FREE THE HOSE, WHEN HIS GLOVE GOT CAUGHT ONTHE DRIVE SHAFT NEXT TO THE MOTOR. EE JERKED HIS HAND AWAY FROM THE DRIVE SHAFT, AND CUT HIS HAND ON THE EDGE OF HEAD PULLEY GUARD.

August 4, 2002 NV · Metal/Non-Metal electrician, lineman ELECTRICAL
RMC Nevada, Inc. · Flash burns (electric)

REBUILDING 4000 AMP SERVICE PANEL, RECONNECTING EXISTING EQUIPMENT SERVICES, BACKFEED FROM DAMAGED CABLE ENERGIZED EQUIPMENT CAUSING PHASE TO PHASE SHORT. (MINOR FLASH BURNS)

April 1, 2002 NV · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
RMC Nevada, Inc. · Over-exertion in pulling or pushing objects

AFTER INSTALLING A RUBBER GROMMET AROUND WIRING AT THE CLARIFIER, THE EE WAS APPLYING RTV SILICONE AROUND THE GROMMET TO HOLD IT IN PLACE. WHILE THE EE WAS SQUEEZING THE TRIGGER ON THE CAULKIN G GUN, THE EE FELT AND HEARD A POP IN HIS LEFT HAND RING FINGER. THE EE SUFFERED A RUPTURED TENDON ON HIS LEFT HAND RING FINGER.

February 25, 2002 NV · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
RMC Nevada, Inc. · Caught in, under or between (Not Elsewhere Classified)

THE EE WAS CHANGING A BEARING ON A HEAD PULLEY, THE SUPPORTS HOLDING THE HEAD PULLEY SHAFT SHIFTED AND CAUGHT THE EE'S LEFT HAND BETWEEN THE PULLEY SHAFT AND THE CONVEYOR FRAME. THE ACCIDENT R ESULTED IN AN OPEN WOUND AND CONTUSION OF FINGER ON LEFT HAND, WITHOUT MENTION OF COMPLICATION.

January 18, 2002 NV · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Fall to the walkway or working surface

WORKER WAS DELIVERING FUEL AT ALL-LIGHT AGGREGATE. HE STATED, HE TRIPPED OVER DEBRIS WHILE HE WAS HOOKING UP PUMP HOSE TO DELIVER FUEL. HE STATED THAT THE AREA HAD NO LIGHTING.

January 4, 2002 NV · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
RMC Nevada, Inc. · Fall to the walkway or working surface

EMPLOYEE WAS WALKING DOWN A SLOPED AREA FROM THE UPPER PLANT TO THE LOWER PLANT TO PICK UP A HAUL TRUCK, HE SLIPPED AND FELL, LANDING ON HIS LEFT HIP. THE EMPLOYEE WAS DIAGNOSED WITH A DEEP TISSUE BRUISE TO HIS LEFT UPPER THIGH AND HIP. THE EMPLOYEE LEFT THE LIGHTED WORK AREA WHERE VISIBILITY WAS POOR AND THE GROUND CONDITIONS WERE SLIPPERY DUE TO RAIN.

2001 · 1 incident

June 23, 2001 NV · Metal/Non-Metal driver, jeep driver, tractor operator POWERED HAULAGE
All-Lite Aggregate · Struck against a moving object

EMPLOYEE WAS OPERATING WATER TRUCK WHEN THE VEHICLE JUMPED OUT OF GEAR. THE EMPLOYEE WAS TRYING TO PUT THE VEHICLE BACK INTO GEAR WHEN HE HIT A CHUCK HOLE IN THE ROAD. THE EMPLOYEE SUFFERED A MINOR WHIPLASH CAUSING HIM NECK PAIN.

2000 · 2 incidents

December 18, 2000 NV · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator NONPOWERED HAULAGE
All-Lite Aggregate · Over-exertion in lifting objects

PULLING LOADED WHEELBARROW'S WHEEL OUT OF SMALL HOLE. LIFTED UP ON HANDLES AND STARTED TO PULL WHEN HE FELT PAIN IN HIS BACK.

September 29, 2000 NV · Metal/Non-Metal drill helper MACHINERY
All-Lite Aggregate · Struck by... (Not Elsewhere Classified)

UNPLUGGING DRILL BIT, I THOUGHT ALL AIR WAS OUT. I DISLODGED ROCKS AND THE AIR BLEW THE ROCKS ON MY ARM.