GRD00CSS0
I-505
Undersaturated
Cenozoic › Quaternary › Pleistocene
0.01
-
2.6
0
Ritter 154 › Cabinet 16 › Drawer N
coarse grained
Original description: Urtite (similar to ijolite - augite, neph). Samples I-501 to I-510 taken from Congo Tanganikia province
K/Ar age on nephelinite 1.03, 0.91 Ma (Evans et al., 1971)
East African Rift
Congo {Democratic Rep}
Alkaline volcanic province, Tanganika. Burko Volcano.
Latitude: -3.3°
Longitude: 36.217°
-
N/A
N/A
N/A
Evans_Nature_1971
Evans, A.L., Fairhead, J.D., Mitchell, J.G. 1971. Potassium-Argon Ages from the Volcanic Province of Northern Tanzania, Nature Physical Science, vol. 229, pg. 19-20.