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 061
Sample Information
ANDESITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| ND143_ND144 | 0.512822 |
| SR87_SR86 | 0.704372 |
| D18O | 8.5 ± 0.3 ‰ |
| AL2O3 | 15.93 WT% |
| CAO | 6.1 WT% |
| FE2O3 | 7.52 WT% |
| FEO | 6.77 WT% |
| K2O | 1.04 WT% |
| MGO | 4.13 WT% |
| MNO | 0.1 WT% |
| NA2O | 3.54 WT% |
| P2O5 | 0.14 WT% |
| SIO2 | 60.89 WT% |
| TIO2 | 0.61 WT% |
| CE | 15.5 PPM |
| DY | 2.05 PPM |
| ER | 1.1 PPM |
| EU | 0.73 PPM |
| GD | 2.4 PPM |
| LA | 7.2 PPM |
| ND | 9.2 PPM |
| SM | 2.4 PPM |
| YB | 1.04 PPM |
| BA | 510 PPM |
| BE | 0.72 PPM |
| CR | 170 PPM |
| LI | 13.3 PPM |
| NB | 3.2 PPM |
| NI | 46 PPM |
| RB | 21.6 PPM |
| SC | 18 PPM |
| SR | 379 PPM |
| TH | 1.5 PPM |
| V | 175 PPM |
| Y | 11.2 PPM |
| ZR | 80 PPM |