GEOROC Sample Information
Location
Latitude 0.2 | Longitude -78.2
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / ECUADOR / IMBABURA
CONVERGENT MARGIN
Reference
HALL M. L.,YOGODZINSKI G. M.,LEWICKI J. L.,BAILEY D. G.,BRYANT J. A.
GEOCHEMICAL CONSTRAINTS ON THE ORIGIN OF VOLCANIC ROCKS FROM THE ANDEAN NORTHERN VOLCANIC ZONE, ECUADOR
J. PETROL. 47 [2006] 1147-1175
Sample Name: IMB-2
Sample Information
ANDESITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17 WT% |
| CAO | 7.8 WT% |
| FEOT | 6.85 WT% |
| K2O | 0.99 WT% |
| MGO | 5.11 WT% |
| MNO | 0.12 WT% |
| NA2O | 3.59 WT% |
| P2O5 | 0.15 WT% |
| SIO2 | 57.76 WT% |
| TIO2 | 0.63 WT% |
| CE | 16.5 PPM |
| DY | 2.35 PPM |
| ER | 1.26 PPM |
| EU | 0.81 PPM |
| GD | 2.49 PPM |
| HO | 0.48 PPM |
| LA | 8.52 PPM |
| LU | 0.18 PPM |
| ND | 9.33 PPM |
| PR | 2.09 PPM |
| SM | 2.5 PPM |
| TB | 0.39 PPM |
| TM | 0.18 PPM |
| YB | 1.15 PPM |
| BA | 433 PPM |
| CR | 101 PPM |
| CS | 0.53 PPM |
| CU | 44 PPM |
| HF | 2.06 PPM |
| NB | 2.66 PPM |
| NI | 47 PPM |
| PB | 4.32 PPM |
| RB | 16.1 PPM |
| SC | 24 PPM |
| SR | 475 PPM |
| TA | 0.18 PPM |
| TH | 1.4 PPM |
| U | 0.52 PPM |
| V | 165 PPM |
| Y | 12.9 PPM |
| ZN | 76 PPM |
| ZR | 73 PPM |