Sample 228
NavDat sample number 39278
Sample
| Sample ID | 228 |
|---|---|
| Alternate ID | 2608 |
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | UC Berkeley |
Location
| Latitude | 19.15 |
|---|---|
| Longitude | -98.918 |
| Location | Tlacotenco |
| State / province | Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1 | 3 | Quaternary |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.8 | WT% | UNKNOWN | |
| TIO2 | 1.12 | WT% | UNKNOWN | |
| AL2O3 | 15.5 | WT% | UNKNOWN | |
| FEOT | 6.31 | WT% | UNKNOWN | |
| MNO | 0.11 | WT% | UNKNOWN | |
| MGO | 4.67 | WT% | UNKNOWN | |
| CAO | 6.27 | WT% | UNKNOWN | |
| NA2O | 3.83 | WT% | UNKNOWN | |
| K2O | 1.86 | WT% | UNKNOWN | |
| P2O5 | 0.4 | WT% | UNKNOWN | |
| TOTAL | 97.8 | WT% | UNKNOWN | |
| S | 97.87 | UNKNOWN | ||
| SUMA_100 | 2.13 | WT% | UNKNOWN | |
| NI | 58 | PPM | UNKNOWN | |
| CU | 20 | PPM | UNKNOWN | |
| ZN | 89 | PPM | UNKNOWN | |
| GA | 20 | PPM | UNKNOWN | |
| RB | 49 | PPM | UNKNOWN | |
| SR | 461 | PPM | UNKNOWN | |
| Y | 30 | PPM | UNKNOWN | |
| ZR | 309 | PPM | UNKNOWN | |
| NB | 18 | PPM | UNKNOWN | |
| BA | 567 | PPM | UNKNOWN | |
| LA | 31 | PPM | UNKNOWN | |
| CE | 73 | PPM | UNKNOWN | |
| PB | 12 | PPM | UNKNOWN |
References
- Wallace, Paul J; Carmichael, Ian S E (1999) Quaternary volcanism near the Valley of Mexico; implications or subduction zone magmatism and the effects of crustal thickness variations on primitive magma compositions. Contributions to Mineralogy and Petrology. 135; 4, Pages 291-314. 1999. doi:10.1007/s004100050513