Quarries vary according to geology and deposit type. The type of quarries operated include:
- Hard rock
- Natural sand
- Natural sand and gravel
- Sandstone (building stone and sand)
Quarries have operated for thousands of years. There is evidence of quarries dating back over 200,000 years, when pre-historic man-made improvised tools.
For a comprehensive Glossary of Quarrying Terms CLICK HERE.