stripes
Occurrence number:
122-00-030
Country:
Nigeria
Location:
Longitude: 9.17, Latitude: 9.88
Carbonatite:
No
This intrusion, like Kwandonkaya (No. 122-00-028) to the north, contains no truly alkaline rocks. It consists of an early hornblende-biotite granite and later biotite granite and biotite microgranite. The chemistry of these rocks is described by Imeokparia (1985b).
References:
BUCHANAN, M.S., MACLEOD, W.N., TURNER, D.C., BERRIDGE, N.G. and BLACK, R. 1971. The geology of the Jos Plateau. Volume 2, Younger granite complexes. Bulletin, Geological Survey of Nigeria, 32: 1-159.IMEOKPARIA, E.G. 1985b. Geochemical evolution of the Jarawa Younger Granite complex and its related mineralization, northern Nigeria. Geological Magazine, 122: 163-73.
Map:
Fig. 3_229 Jarawa, Jos-Bukuru and Shere (after Kinnaird, 1981).
Location: