Last updated
October 1, 2017
Terms of use
Open use. Must provide the source. Use for commercial purposes requires permission of the data owner.


Broken hard rock refers to gravel, grit and rubble that is extracted from hard rock in quarries and then mechanically broken down into small pieces. It is used primarily in constructing and maintaining traffic infrastructure. This dataset shows the active and decommissioned broken rock (stone) quarries in Switzerland. It is part of the Resources Information System of the Swiss Geotechnical Commission (SGTK), a database of mineral resources in Switzerland.


Additional information

Issued date
October 1, 2017
Modified date
Bundesamt für Landestopografie
Contact points
Language independent
Further information
Landing page
Temporal coverage
Update interval
Metadata Access
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