Sample 239
NavDat sample number 39285
Sample
| Sample ID | 239 |
|---|---|
| Alternate ID | 2615 |
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | UC Berkeley |
Location
| Latitude | 19.184 |
|---|---|
| Longitude | -99.251 |
| Location | Ajusco south flank |
| State / province | Distrito Federal |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1 | 3 | Quaternary |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.4 | WT% | UNKNOWN | |
| TIO2 | 0.93 | WT% | UNKNOWN | |
| AL2O3 | 15.3 | WT% | UNKNOWN | |
| FEOT | 6.75 | WT% | UNKNOWN | |
| MNO | 0.12 | WT% | UNKNOWN | |
| MGO | 9.06 | WT% | UNKNOWN | |
| CAO | 7.5 | WT% | UNKNOWN | |
| NA2O | 4.38 | WT% | UNKNOWN | |
| K2O | 0.99 | WT% | UNKNOWN | |
| P2O5 | 0.25 | WT% | UNKNOWN | |
| TOTAL | 98.6 | WT% | UNKNOWN | |
| S | 98.68 | UNKNOWN | ||
| SUMA_100 | 1.32 | WT% | UNKNOWN | |
| NI | 145 | PPM | UNKNOWN | |
| CU | 25 | PPM | UNKNOWN | |
| ZN | 70 | PPM | UNKNOWN | |
| GA | 18 | PPM | UNKNOWN | |
| RB | 15 | PPM | UNKNOWN | |
| SR | 558 | PPM | UNKNOWN | |
| Y | 23 | PPM | UNKNOWN | |
| ZR | 129 | PPM | UNKNOWN | |
| NB | 4 | PPM | UNKNOWN | |
| BA | 281 | PPM | UNKNOWN | |
| LA | 16 | PPM | UNKNOWN | |
| CE | 33 | PPM | UNKNOWN | |
| PB | 6 | 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