GEOROC Sample Information
Location
Latitude -0.357 | Longitude -78.619
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / ATACAZO-NINAHUILCA
ATACAZO
CONVERGENT MARGIN
Reference
GERBE M. C.,BOURDON E.,MARTIN H.,SAMANIEGO P.,HIDALGO S.
ROLE OF CRUSTAL AND SLAB COMPONENTS IN THE NORTHERN VOLCANIC ZONE OF THE ANDES (ECUADOR) CONSTRAINED BY SR-ND-O ISOTOPES
LITHOS 132-133 [2012] 180-192
Sample Name: ATAC 035
Sample Information
ANDESITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| ND143_ND144 | 0.512845 |
| SR87_SR86 | 0.704275 |
| D18O | 9.3 ± 0.3 ‰ |
| AL2O3 | 17.95 WT% |
| CAO | 5.14 WT% |
| FE2O3 | 6.21 WT% |
| FEO | 5.58 WT% |
| K2O | 0.94 WT% |
| MGO | 1.88 WT% |
| MNO | 0.07 WT% |
| NA2O | 4.05 WT% |
| P2O5 | 0.18 WT% |
| SIO2 | 62.88 WT% |
| TIO2 | 0.71 WT% |
| CE | 20 PPM |
| DY | 1.6 PPM |
| ER | 0.65 PPM |
| EU | 0.82 PPM |
| GD | 2.7 PPM |
| LA | 8.9 PPM |
| ND | 11.5 PPM |
| SM | 2.8 PPM |
| YB | 0.48 PPM |
| BA | 630 PPM |
| BE | 0.87 PPM |
| CR | 13 PPM |
| LI | 15.4 PPM |
| NB | 4.4 PPM |
| NI | 5 PPM |
| RB | 17.5 PPM |
| SC | 7 PPM |
| SR | 492 PPM |
| TH | 1.55 PPM |
| V | 122 PPM |
| Y | 7.6 PPM |
| ZR | 94 PPM |