# Flyrock

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**Flyrock**, or **wild flyrock**, is rock that is ejected from the [blast site](https://en.wikipedia.org/w/index.php?title=Blast_site&action=edit&redlink=1) in a controlled [explosion](/source/Explosion) in [mining](/source/Mining) operations. The term refers in particular to rock that flies beyond the blast site, causing injuries to people and damage to property. This is considered a significant issue in mining; between 1994 and 2005, 32 miners were injured by flyrock.[1]

Flyrock can vary in mass from marble-sized to car-sized.[2]

Accident data from the [Mine Safety and Health Administration](/source/Mine_Safety_and_Health_Administration) indicate that flyrock and lack of blast area security were the main causes of blasting-related injuries in [surface mining](/source/Surface_mining). Fatal injuries due to lack of blast area security were caused mainly by failure to clear the blast area or inadequate access control to the blast area.[3] Proper planning can reduce the incidence of flyrock.[2]

## See also

- [Stone damage](/source/Stone_damage), damage to vehicles from flying gravel and small stones in traffic

## References

1. **[^](#cite_ref-1)** ["Blasting and Explosives"](https://www.cdc.gov/niosh/mining/topics/Explosives.html). *www.cdc.gov*. Retrieved 2017-01-24.

1. ^ [***a***](#cite_ref-:0_2-0) [***b***](#cite_ref-:0_2-1) ["Technology News 522 - Blast Area Security: Flyrock Safety"](https://www.cdc.gov/niosh/mining/works/coversheet282.html). *www.cdc.gov*. 21 September 2012. Retrieved 2017-01-24.

1. **[^](#cite_ref-3)** ["NIOSHTIC-2 Publications Search - 20024383 - Fatal accidents due to flyrock and lack of blast area security and working practices in mining"](https://www.cdc.gov/niosh/nioshtic-2/20024383.html). *www.cdc.gov*. Retrieved 2017-01-24.

*This incorporates public domain content from the U.S. Centers for Disease Control and Prevention*.

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Adapted from the Wikipedia article [Flyrock](https://en.wikipedia.org/wiki/Flyrock) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Flyrock?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.