Alkaline Rocks and Carbonatites of the World

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

Zeit (Gebel Zeit)

stripes

Occurrence number: 
049-00-009
Country: 
Egypt
Location: 
Longitude: 33.48, Latitude: 27.88
Carbonatite: 
No

A chemical analysis of a riebeckite-aegirine granite from the Ras Zeit range is given by Schurmann (1926) and located in Schurmann (1966).

Age: 
Rb-Sr gave an age of 582 Ma (Stern and Hedge, 1985, Table 4).
References: 

SCHURMANN, H.M.E. 1926. Die Alkaligesteine der ostlichen arabischen Wuste Agyptens. Geologische Rundschau, 17a: 544-54.SCHURMANN, H.M.E. 1966. The Pre-Cambrian along the Gulf of Suez and the northern part of the Red Sea. E.J. Brill, Leiden. 404 pp.STERN, R.J. and HEDGE, C.E. 1985. Geochronologic and isotopic constraints on late Precambrian crustal evolution in the eastern desert of Egypt. American Journal of Science, 285: 97-127.

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