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 012A
Sample Information
ANDESITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| ND143_ND144 | 0.512854 |
| SR87_SR86 | 0.704257 |
| AL2O3 | 16.5 WT% |
| CAO | 7.12 WT% |
| FE2O3 | 8.48 WT% |
| FEO | 7.63 WT% |
| K2O | 0.76 WT% |
| MGO | 5.42 WT% |
| MNO | 0.12 WT% |
| NA2O | 3.52 WT% |
| P2O5 | 0.14 WT% |
| SIO2 | 57.28 WT% |
| TIO2 | 0.67 WT% |
| CE | 15.2 PPM |
| DY | 2.2 PPM |
| ER | 1.25 PPM |
| EU | 0.76 PPM |
| GD | 2.3 PPM |
| LA | 6.7 PPM |
| ND | 9.8 PPM |
| SM | 2.45 PPM |
| YB | 1.22 PPM |
| B | 10.1 PPM |
| BA | 355 PPM |
| BE | 0.59 PPM |
| CR | 238 PPM |
| LI | 11.4 PPM |
| NB | 2.4 PPM |
| NI | 62 PPM |
| RB | 14.3 PPM |
| SC | 22 PPM |
| SR | 422 PPM |
| TA | 0.18 PPM |
| TH | 0.9 PPM |
| V | 189 PPM |
| Y | 12.9 PPM |
| ZR | 66 PPM |