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-4
Sample Information
ANDESITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.84 WT% |
| CAO | 7.25 WT% |
| FEOT | 6.18 WT% |
| K2O | 0.94 WT% |
| MGO | 3.17 WT% |
| MNO | 0.13 WT% |
| NA2O | 3.63 WT% |
| P2O5 | 0.22 WT% |
| SIO2 | 60.1 WT% |
| TIO2 | 0.54 WT% |
| CE | 25.4 PPM |
| DY | 2.89 PPM |
| ER | 1.59 PPM |
| EU | 0.99 PPM |
| GD | 2.92 PPM |
| HO | 0.59 PPM |
| LA | 13.6 PPM |
| LU | 0.24 PPM |
| ND | 13.8 PPM |
| PR | 3.17 PPM |
| SM | 3.12 PPM |
| TB | 0.48 PPM |
| TM | 0.23 PPM |
| YB | 1.47 PPM |
| BA | 448 PPM |
| CR | 17 PPM |
| CS | 0.6 PPM |
| CU | 33 PPM |
| HF | 2.27 PPM |
| NB | 3.11 PPM |
| NI | 9 PPM |
| PB | 6.41 PPM |
| RB | 14.9 PPM |
| SC | 16 PPM |
| SR | 785 PPM |
| TA | 0.2 PPM |
| TH | 3.22 PPM |
| U | 1.09 PPM |
| V | 124 PPM |
| Y | 16.2 PPM |
| ZN | 77 PPM |
| ZR | 77 PPM |