RIDDOR has specific requirements for mines and quarries. These relate to matters such as disturbing the site, notifying the workforce, and not tampering with relevant equipment. There is also a specific list of Dangerous Occurrences that must be reported at quarries
Refer to Schedule 5 of RIDDOR (as amended by The Quarries Regulations 1999 (Schedule 5, Part 2 modifications) which covers the requirements for quarries.
The quarry specific Dangerous Occurrences (DO) are listed in Part III of Schedule 2 of RIDDOR (DO types 41 to 48). Note that a misfire at a quarry is DO Type 45.