Sample LD-22A
NavDat sample number 16915 · RHYOLITE
Sample
| Sample ID | LD-22A |
|---|---|
| Alternate ID | 2358 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 21.43 |
|---|---|
| Longitude | -104.73 |
| Location | Tepetiltic |
| State / province | Nayarit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.48 | 0.02 | 0 | 3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.7 | WT% | UNKNOWN | |
| TIO2 | 0.29 | WT% | UNKNOWN | |
| AL2O3 | 14.6 | WT% | UNKNOWN | |
| FEOT | 1.4 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| MGO | 0.4 | WT% | UNKNOWN | |
| CAO | 1.44 | WT% | UNKNOWN | |
| NA2O | 4.9 | WT% | UNKNOWN | |
| K2O | 3.26 | WT% | UNKNOWN | |
| P2O5 | 0.06 | WT% | UNKNOWN | |
| CU | 3 | PPM | UNKNOWN | |
| ZN | 38 | PPM | UNKNOWN | |
| RB | 69 | PPM | UNKNOWN | |
| SR | 263 | PPM | UNKNOWN | |
| Y | 17 | PPM | UNKNOWN | |
| ZR | 127 | PPM | UNKNOWN | |
| NB | 14 | PPM | UNKNOWN | |
| BA | 1125 | PPM | UNKNOWN | |
| LA | 23 | PPM | UNKNOWN | |
| CE | 47 | PPM | UNKNOWN | |
| ND | 34 | PPM | UNKNOWN | |
| SM | 4.4 | PPM | UNKNOWN | |
| SR87_SR86 | 0.704151 | UNKNOWN | ||
| ND143_ND144 | 0.512776 | UNKNOWN |
References
- Verma, Surendra Pal; Nelson, Stephen A (1989) Isotopic and trace element constraints on the origin and evolution of alkaline and calc-alkaline magmas in the northwestern Mexican volcanic belt. Journal of Geophysical Research, B, Solid Earth and Planets. 94; 4, Pages 4531-4544. 1989. doi:10.1029/JB094iB04p04531