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: M104
Sample Information
NOT GIVEN / FRACTIONATED 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
| ND143_ND144 | 0.51249 |
| SR87_SR86 | 0.70752 |
| AL2O3 | 15.93 WT% |
| CAO | 8.18 WT% |
| FE2O3 | 12.08 WT% |
| K2O | 3.91 WT% |
| MGO | 5.01 WT% |
| MNO | 0.18 WT% |
| NA2O | 2.72 WT% |
| P2O5 | 0.66 WT% |
| SIO2 | 47.33 WT% |
| TIO2 | 3.33 WT% |
| CE | 207 PPM |
| EU | 3.44 PPM |
| LA | 107 PPM |
| LU | 0.47 PPM |
| ND | 80.4 PPM |
| SM | 13.4 PPM |
| TB | 1.42 PPM |
| YB | 2.94 PPM |
| BA | 1430 PPM |
| CO | 33.7 PPM |
| CR | 35 PPM |
| CS | 1.1 PPM |
| CU | 12 PPM |
| HF | 7.98 PPM |
| NB | 109 PPM |
| NI | 7 PPM |
| PB | 9 PPM |
| RB | 139 PPM |
| SC | 22.3 PPM |
| SR | 1056 PPM |
| TA | 7.53 PPM |
| TH | 18.7 PPM |
| U | 3.22 PPM |
| V | 303 PPM |
| Y | 33 PPM |
| ZN | 108 PPM |
| ZR | 359 PPM |