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Sample CON-141
NavDat sample number 122483 · DACITE
Sample
| Sample ID | CON-141 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | no trace element data |
|---|
Location
| Latitude | 17.524 |
|---|
| Longitude | -97.6845 |
|---|
| Location | West Oaxaca |
|---|
| State / province | Oaxaca |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 32 |
|
23.5 |
40.5 |
|
|
Analyses
MINERAL SEPARATE
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.65 | | WT% | ICP |
| AL2O3 | 16.27 | | WT% | ICP |
| FE2O3 | 4.55 | | WT% | ICP |
| MNO | 0.07 | | WT% | ICP |
| MGO | 2.08 | | WT% | ICP |
| CAO | 4.91 | | WT% | ICP |
| NA2O | 3.6 | | WT% | ICP |
| K2O | 2.26 | | WT% | ICP |
| TIO2 | 0.68 | | WT% | ICP |
| P2O5 | 0.14 | | WT% | ICP |
| TOTAL | 100.47 | | WT% | ICP |
References
- Martiny, B; Martinez-Serrano, Raymundo G; Moran-Zenteno, Dante J; Macias-Romo, Consuelo; Ayuso, Robert A (2000) Stratigraphy, geochemistry and tectonic significance of the Oligocene magmatic rocks of western Oaxaca, southern Mexico. Tectonophysics, vol.318, no.1-4, pp.71-98, Mar 2000
