GEOROC Sample Information
Location
Latitude -0.538 | Longitude -77.626
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / SUMACO
CONVERGENT MARGIN
Reference
KURZ M. D.,GEIST D. J.,LARSON P. B.,BARRAGAN R.,HALL M.
SUBDUCTION CONTROLS ON THE COMPOSITIONS OF LAVAS FROM THE ECUADORIAN ANDES
EARTH PLANET. SCI. LETT. 154 [1998] 153-166
Sample Name: S4
Sample Information
PHONOLITE / PORPHYRITIC TEXTURE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 19.36 WT% |
| CAO | 6.09 WT% |
| FEOT | 6.36 WT% |
| K2O | 4.18 WT% |
| MGO | 1.71 WT% |
| MNO | 0.218 WT% |
| NA2O | 6.93 WT% |
| P2O5 | 0.46 WT% |
| SIO2 | 53.95 WT% |
| TIO2 | 0.759 WT% |
| BA | 2759 PPM |
| NB | 53 PPM |
| NI | 10 PPM |
| RB | 106 PPM |
| SC | 3 PPM |
| SR | 2542 PPM |
| V | 114 PPM |
| Y | 35 PPM |
| ZR | 396 PPM |