GEOROC Sample Information
Location
Latitude 19.4 | Longitude -100.25
MEXICAN VOLCANIC BELTS / TRANS MEXICAN VOLCANIC BELT / MICHOACAN / ZITACUARO VOLCANIC COMPLEX
ZITACUARO CONES
CONVERGENT MARGIN
Reference
MACIAS J. L.,GARDUNO V. H.,CAPRA L.
THE ZITACUARO VOLCANIC COMPLEX, MICHOACAN, MEXICO: MAGMATIC AND ERUPTIVE HISTORY OF A RESURGENT CALDERA
GEOFIS. INT. 36 [1997] 161-179
Sample Name: VAL68
Sample Information
ANDESITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 16.9 WT% |
| CAO | 5.75 WT% |
| FE2O3 | 1.06 WT% |
| FEO | 4.42 WT% |
| K2O | 1.57 WT% |
| LOI | 0.02 WT% |
| MGO | 5.53 WT% |
| MNO | 0.09 WT% |
| NA2O | 3.71 WT% |
| P2O5 | 0.2 WT% |
| SIO2 | 59.86 WT% |
| TIO2 | 0.88 WT% |
| CE | 58 PPM |
| LA | 24 PPM |
| BA | 482 PPM |
| NB | 1 PPM |
| RB | 31 PPM |
| SR | 823 PPM |
| Y | 20 PPM |
| ZR | 195 PPM |