GEOROC Sample Information
Location
Latitude -1.38 | Longitude 29.67
EAST AFRICAN RIFT / WESTERN EAST AFRICAN RIFT (TANGANYIKA RIFT) / VIRUNGA PROVINCE / BUFUMBIRA VOLCANIC FIELD
MUHAVURA, BUFUMBIRA REGION
RIFT VOLCANICS
Reference
ROGERS N. W.,JAMES D. E.,KELLEY S. P.,DE MULDER M.
THE GENERATION OF POTASSIC LAVAS FROM THE EASTERN VIRUNGA PROVINCE, RWANDA
J. PETROL. 39 [1998] 1223-1247
Sample Name: M41
Sample Information
NOT GIVEN / LOW-SILICA LAVA, BASANITE/HAWAIITE / FRESH / MINOR ALTERATION LIMITED TO SERPENTINIZATION OF OLIVINE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 13.23 WT% |
| CAO | 10.69 WT% |
| FE2O3T | 13.11 WT% |
| K2O | 3.59 WT% |
| MGO | 7.64 WT% |
| MNO | 0.2 WT% |
| NA2O | 2.34 WT% |
| P2O5 | 0.57 WT% |
| SIO2 | 44.76 WT% |
| TIO2 | 3.72 WT% |
| CE | 175 PPM |
| EU | 3.16 PPM |
| LA | 88.4 PPM |
| LU | 0.42 PPM |
| ND | 70.7 PPM |
| SM | 11.8 PPM |
| TB | 1.28 PPM |
| YB | 2.54 PPM |
| BA | 1338 PPM |
| CO | 46 PPM |
| CR | 187 PPM |
| CS | 1.05 PPM |
| CU | 19 PPM |
| HF | 7.24 PPM |
| NB | 103 PPM |
| NI | 35 PPM |
| PB | 5 PPM |
| RB | 110 PPM |
| SC | 32.2 PPM |
| SR | 996 PPM |
| TA | 7.67 PPM |
| TH | 13.7 PPM |
| U | 3.04 PPM |
| V | 346 PPM |
| Y | 29 PPM |
| ZN | 92 PPM |
| ZR | 321 PPM |