Quarries supply the stone, sand and aggregates used to build the roads, homes and infrastructure Australians rely on every day.
This page answers common questions about how quarries work, how locations are selected, and how environmental and community impacts are managed.
What is a quarry?
A quarry is an open-pit site where materials such as rock, sand and gravel are extracted from the earth’s surface.
These materials are processed into construction products used across infrastructure and building.
What materials come from quarries?
Quarries produce:
- Crushed rock
- Aggregates (sand, gravel and stone)
- Roadbase and engineered materials
These materials are essential for concrete, asphalt, drainage and structural applications.
Why do we need quarrying?
Quarry materials are the foundation of modern infrastructure, supporting:
- Roads and highways
- Homes and buildings
- Transport and utilities
Each Australian relies on large volumes of quarry materials every year to support construction and growth.
How does a quarry operate?
Quarries follow a controlled process to extract and process materials:
- Site selection and planning
- Removal of overburden (soil and surface material)
- Rock extraction using specialised equipment
- Crushing and screening into usable products
- Delivery to construction sites
This ensures materials meet required specifications for construction.
What is the quarrying process?
The quarrying process includes:
- Geological surveys to confirm material quality
- Controlled extraction and processing
- Grading materials to required sizes
- Ongoing quality control
Each step is designed to produce consistent, reliable construction materials.
How are quarry locations selected?
Quarry locations are chosen based on:
- Availability of suitable rock or sand
- Proximity to construction markets
- Transport access
- Environmental and planning approvals
Because quarry materials are heavy and transported in large volumes, proximity to end use is critical.
Why are quarries located near communities?
Quarries are often located near where materials are needed to:
- Reduce transport distances
- Lower construction costs
- Minimise emissions from haulage
Local supply helps support efficient infrastructure delivery.
How do quarries manage environmental impacts?
Quarries operate under strict regulations and controls, including:
- Dust, noise and vibration management
- Water and environmental monitoring
- Compliance with environmental approvals
Operations are planned to minimise impacts on surrounding communities and environments.
What happens to a quarry after it is finished?
Quarries are progressively rehabilitated as areas are completed, which may include:
- Replacing topsoil
- Replanting vegetation
- Restoring landforms
Many sites are repurposed into parks, recreation areas or environmental habitats.
Are quarries sustainable?
Responsible quarrying supports sustainability by:
- Supplying local materials to reduce transport impacts
- Rehabilitating land after use
- Supporting long-term infrastructure needs
What are quarry materials used for?
Quarry materials are used in:
- Concrete and asphalt production
- Road construction
- Foundations and structural works
- Drainage and civil projects
They provide the strength, stability and durability required in construction.
How are quarry materials supplied?
Materials are:
- Produced to required specifications
- Supplied in bulk
- Delivered from local quarry sites