GRD00CDS0
I-490
Trachyte
Cenozoic
0.01
-
65.5
0
Ritter 154 › Cabinet 15 › Drawer H
Porphyritic
Biotite phenocrysts. Samples 474-500 taken from Rwanda and Burundi (East African Rift)
-
East African Rift
Rwanda
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Latitude: -1.7°
Longitude: 29.4°