GEOROC Sample Information
Location
Latitude -0.357 | Longitude -78.619
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / ATACAZO-NINAHUILCA
ATACAZO
CONVERGENT MARGIN
Reference
SCHIANO P.,EISSEN J.-P.,MONZIER M.,MARTIN H.,KOGA K. T.
SIMPLE MIXING AS THE MAJOR CONTROL OF THE EVOLUTION OF VOLCANIC SUITES IN THE ECUADORIAN ANDES
CONTRIB. MINERAL. PETROL. 160 [2010] 297-312
Sample Name: ATAC 12C
Sample Information
ANDESITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 15.95 WT% |
| CAO | 5.6 WT% |
| FE2O3T | 6.96 WT% |
| K2O | 1.02 WT% |
| LOI | 2.76 WT% |
| MGO | 3.31 WT% |
| MNO | 0.1 WT% |
| NA2O | 3.29 WT% |
| P2O5 | 0.13 WT% |
| SIO2 | 60 WT% |
| TIO2 | 0.6 WT% |
| CE | 20 PPM |
| DY | 2.2 PPM |
| ER | 1.2 PPM |
| EU | 0.73 PPM |
| GD | 2.4 PPM |
| LA | 8.5 PPM |
| ND | 11 PPM |
| SM | 2.6 PPM |
| YB | 1.07 PPM |
| BA | 505 PPM |
| CO | 20 PPM |
| CR | 108 PPM |
| NB | 3.4 PPM |
| NI | 20 PPM |
| RB | 25 PPM |
| SC | 14.5 PPM |
| SR | 349 PPM |
| TH | 1.5 PPM |
| V | 155 PPM |
| Y | 12.2 PPM |
| ZR | 90 PPM |