Koenigsmacker’s underground quarry: a natural gold mine... white grey
Exploited underground for half a century, anhydrite has not finished revealing its full potential.
17 and 18 September 2021Passed
Conditions
Free. On registration, no later than 10/09\. Limited places. Departures in vans for an underground circuit: Friday 17 Sept: 8h, 10h, 14h and 16h and Saturday 18 Sept: 8h, 10h. Duration: 1h30\. Closed shoes are mandatory.
Licence libre
Exploited underground for half a century, anhydrite has not finished revealing its full potential.
Anhydrite, here present, is a calcium sulphate compound that is revealed in finely crystallized or granular mass.
After drilling and blasting, the extracted stone is directed to the crushing plants and then to the micronisation station.
Come discover the manufacturing processes of a product with unsuspected wealth, used in many fields of activity such as the production of cement and concrete, essential materials for the architecture of yesterday and today
