Alkaline Rocks and Carbonatites of the World

Funded by HiTech AlkCarb - New geomodels to explore deeper for Hi-Tech critical raw materials in Alkaline rocks and Carbonatites

Grunau

stripes

Occurrence number: 
116-00-044
Country: 
Namibia
Region: 
Kuboos-Bremen and Bremen Garub lines of intrusions
Location: 
Longitude: 18, Latitude: -28.08

This occurrence comprises a pipe and two sinuous dykes of carbonatite. The pipe is about 30 m in diameter and consists of country rock fragments in a weathered matrix of calcite, apatite and limonite. The dykes emanate from the pipe and are about 120 m long.

Age: 
Post-Karoo.
References: 
VERWOERD, W.J. 1993. Update on carbonatites of South Africa and Namibia. South African Journal of Geology, 96: 75-96.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith