GLOBAL VISION OF KIMBERLITO CATOCA

Catoca, which means lost in the local language, is the fourth largest mine in the world to explore the open sky and the largest company in the diamond sub-sector in Angola, responsible for the extraction of more than 75% of Angolan diamonds. With the start of open-air exploration since 1997, the current depth (May 2019) maximum of:

 245 m, nominal 185 m

Diameter of the mine 1670 m

Bench height: 10 to 60 m

Verge width: 15 – 20 m

 Width of ramps

Current surface area of the chimney 45.5 hectares, initial area (1997) 64 hectares