Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Hamrat Salma (Gabal Hamrat Salma)

stripes

Occurrence number: 
049-00-018
Country: 
Egypt
Location: 
Longitude: 34.35, Latitude: 24.7
Carbonatite: 
No

This is a dome-like intrusion 1 km in diameter consisting of fluidal quartz trachytes containing aegirine and sodic amphibole. The southern and eastern sides of the dome are cut by bostonite and solvsbergite dykes.

References: 
EL RAMLY, M.F., BUDANOV, V.I. and HUSSEIN, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53: 1-111.
Location: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith