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Black Rock Arizona Metal/Non-Metal

Suncore Construction and Materials Inc. · Surface

Controlled by CCI (Clyde Companies Inc)

St. George, UT, Mohave County, AZ · Active

MSHA Mine ID: 0203369

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Email me when a new MSHA incident is filed at Black Rock Arizona.

Fatalities: 0
Total incidents: 3
Years on record: 2018–2023
Latest incident: May 2023

Compliance record

MSHA citations since 2019

citations

significant & substantial

$4,322

proposed penalties

$4,322

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	0	4	0
2025 Q3	10	0	0	0.0
2025 Q2	9,865	5	2	506.8
2024 Q4	10	0	0	0.0
2024 Q2	441	0	0	0.0
2024 Q1	589	3	0	5093.4
2023 Q4	7,294	0	0	0.0
2023 Q3	7,443	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

3 on file

2023 · 1 incident

May 11, 2023 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)

Suncore Construction and Materials Inc. · Struck by flying object

Changing a rear idler on the dozer, idler was stuck in place so employee tried striking it with a sledgehammer. Piece of metal flew off and embedded into the right side of employees chest. Foreign body removed and wound was sutured.

2019 · 1 incident

May 15, 2019 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS

Bryce Christensen Excavating · Struck by... (Not Elsewhere Classified)

Repairing cone crusher, tramp cinder piston, drop out right hand.

2018 · 1 incident

November 6, 2018 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker MACHINERY

Bryce Christensen Excavating · Struck by... (Not Elsewhere Classified)

Employee was tightening bolt it spun and lacerated finger.