Sample 271
NavDat sample number 39308
Sample
| Sample ID | 271 |
|---|---|
| Alternate ID | 2638 |
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | UC Berkeley |
Location
| Latitude | 18.85 |
|---|---|
| Longitude | -100.117 |
| Location | V. Gordo |
| 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 | 56.9 | WT% | UNKNOWN | |
| TIO2 | 0.85 | WT% | UNKNOWN | |
| AL2O3 | 15.5 | WT% | UNKNOWN | |
| FEOT | 5.59 | WT% | UNKNOWN | |
| MNO | 0.1 | WT% | UNKNOWN | |
| MGO | 6.05 | WT% | UNKNOWN | |
| CAO | 6.54 | WT% | UNKNOWN | |
| NA2O | 4.31 | WT% | UNKNOWN | |
| K2O | 1.88 | WT% | UNKNOWN | |
| P2O5 | 0.28 | WT% | UNKNOWN | |
| TOTAL | 98 | WT% | UNKNOWN | |
| S | 98 | UNKNOWN | ||
| SUMA_100 | 2 | WT% | UNKNOWN | |
| NI | 149 | PPM | UNKNOWN | |
| CU | 35 | PPM | UNKNOWN | |
| ZN | 75 | PPM | UNKNOWN | |
| GA | 20 | PPM | UNKNOWN | |
| RB | 30 | PPM | UNKNOWN | |
| SR | 866 | PPM | UNKNOWN | |
| Y | 19 | PPM | UNKNOWN | |
| ZR | 151 | PPM | UNKNOWN | |
| NB | 5 | PPM | UNKNOWN | |
| BA | 544 | PPM | UNKNOWN | |
| LA | 26 | PPM | UNKNOWN | |
| CE | 57 | PPM | UNKNOWN | |
| PB | 11 | 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