Sample PM3
NavDat sample number 41058 · DACITE
Sample
| Sample ID | PM3 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30 |
|---|---|
| Longitude | -107.33 |
| Location | San Buenaventura |
| State / province | Chihuahua |
| Country | MEXICO |
| Location comment | W Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 29.7 | 36.3 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.3 | WT% | XRF | |
| TIO2 | 0.43 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| FEO | 1.5 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.42 | WT% | XRF | |
| CAO | 3.85 | WT% | XRF | |
| NA2O | 1.6 | WT% | XRF | |
| K2O | 8.9 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| RB | 624 | PPM | XRF | |
| SR | 89 | PPM | XRF | |
| Y | 92 | PPM | XRF | |
| ZR | 343 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| CO | 9 | PPM | XRF | |
| LA | 46 | PPM | INAA | |
| CE | 100 | PPM | INAA | |
| ND | 35 | PPM | INAA | |
| SM | 5.8 | PPM | INAA | |
| EU | 1.53 | PPM | INAA | |
| TB | 0.76 | PPM | INAA | |
| DY | 4.2 | PPM | INAA | |
| YB | 2.55 | PPM | INAA | |
| LU | 0.39 | PPM | INAA | |
| SC | 5 | PPM | INAA | |
| CS | 32.4 | PPM | INAA | |
| HF | 10 | PPM | INAA | |
| BA | 2180 | PPM | INAA | |
| TH | 21.4 | PPM | INAA | |
| U | 5.7 | PPM | INAA | |
| PB | 16.7 | PPM | MS | |
| SR87_SR86 | 0.726222 | MS | ||
| SR87_SR86 | 0.70509 | MS | ||
| ND143_ND144 | 0.512543 | MS | ||
| ND143_ND144_INITIAL | 0.512522 | MS | ||
| PB206_PB204 | 18.793 | MS | ||
| PB207_PB204 | 15.602 | MS | ||
| PB208_PB204 | 38.696 | MS |
References
- Albrecht, Achim; Goldstein, Steven L (2000) Effects of basement composition and age on silicic magmas across an accreted terrane-Precambrian crust boundary, Sierra Madre Occidental, Mexico. Journal of South American Earth Sciences, vol.13, no.3, pp.255-273, Jul 2000 doi:10.1016/S0895-9811(00)00014-6