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: 3D2
Sample Information
TEPHRITE / PORPHYRITIC TEXTURE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| ND143_ND144 | 0.512893 |
| SR87_SR86 | 0.704243 |
| D18O | 6.2 PER MIL |
| AL2O3 | 18.89 WT% |
| CAO | 8.63 WT% |
| FEOT | 8.99 WT% |
| K2O | 4.43 WT% |
| MGO | 2.49 WT% |
| MNO | 0.32 WT% |
| NA2O | 6.77 WT% |
| P2O5 | 0.64 WT% |
| SIO2 | 47.56 WT% |
| TIO2 | 1.29 WT% |
| CE | 302 PPM |
| EU | 5.03 PPM |
| LA | 173 PPM |
| LU | 0.63 PPM |
| ND | 121 PPM |
| SM | 18.5 PPM |
| TB | 1.59 PPM |
| YB | 4.67 PPM |
| BA | 2563 PPM |
| CS | 2.21 PPM |
| HF | 5.65 PPM |
| NB | 82 PPM |
| NI | 4 PPM |
| RB | 125 PPM |
| SC | 1 PPM |
| SC | 2.5 PPM |
| SR | 4059 PPM |
| TA | 3.54 PPM |
| TH | 27.8 PPM |
| U | 7.26 PPM |
| V | 292 PPM |
| Y | 49 PPM |
| ZR | 441 PPM |