Sand and gravel are nonrenewable resources that are essential for all manner of construction. About 2,600 aggregate pits operate in British Columbia, directly employing 4,000-5,000 people. Annual production is about 50 million tonnes of sand and gravel, with a value of over $170 million.
Many communities are faced with aggregate shortages as local reserves are depleted or sterilized. Effective management of the aggregate resource represents a considerable challenge to both planners and the industry.
Listed below are the results of British Columbia Geological Survey projects that were designed to establish an inventory of natural and crushed aggregate pits in the province, and to develop a series of predictive aggregate potential maps for key areas in the province likely to experience future development.