Sample 287
NavDat sample number 39320
Sample
| Sample ID | 287 |
|---|---|
| Alternate ID | 2650 |
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | UC Berkeley |
Location
| Latitude | 19.068 |
|---|---|
| Longitude | -99.384 |
| Location | Coyoltepec |
| 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 | 57.7 | WT% | UNKNOWN | |
| TIO2 | 0.9 | WT% | UNKNOWN | |
| AL2O3 | 15.7 | WT% | UNKNOWN | |
| FEOT | 6 | WT% | UNKNOWN | |
| MNO | 0.1 | WT% | UNKNOWN | |
| MGO | 5.46 | WT% | UNKNOWN | |
| CAO | 6.13 | WT% | UNKNOWN | |
| NA2O | 3.93 | WT% | UNKNOWN | |
| K2O | 1.49 | WT% | UNKNOWN | |
| P2O5 | 0.29 | WT% | UNKNOWN | |
| TOTAL | 97.7 | WT% | UNKNOWN | |
| S | 97.7 | UNKNOWN | ||
| SUMA_100 | 2.3 | WT% | UNKNOWN | |
| NI | 132 | PPM | UNKNOWN | |
| CU | 32 | PPM | UNKNOWN | |
| ZN | 79 | PPM | UNKNOWN | |
| GA | 20 | PPM | UNKNOWN | |
| RB | 25 | PPM | UNKNOWN | |
| SR | 790 | PPM | UNKNOWN | |
| Y | 27 | PPM | UNKNOWN | |
| ZR | 156 | PPM | UNKNOWN | |
| NB | 5 | PPM | UNKNOWN | |
| BA | 485 | PPM | UNKNOWN | |
| LA | 33 | PPM | UNKNOWN | |
| CE | 57 | PPM | UNKNOWN | |
| PB | 7 | 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