Sample 87/1-4
NavDat sample number 41065 · GRANITE
Sample
| Sample ID | 87/1-4 |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| 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 | 70.3 | WT% | XRF | |
| TIO2 | 0.42 | WT% | XRF | |
| AL2O3 | 14.5 | WT% | XRF | |
| FEO | 3.9 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.61 | WT% | XRF | |
| CAO | 1.23 | WT% | XRF | |
| NA2O | 2.5 | WT% | XRF | |
| K2O | 5.2 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| RB | 278 | PPM | XRF | |
| SR | 188 | PPM | XRF | |
| Y | 62 | PPM | XRF | |
| ZR | 259 | PPM | XRF | |
| NB | 26 | PPM | XRF | |
| CO | 6 | PPM | XRF | |
| LA | 48.4 | PPM | INAA | |
| CE | 112 | PPM | INAA | |
| ND | 48 | PPM | INAA | |
| SM | 8.4 | PPM | INAA | |
| EU | 0.83 | PPM | INAA | |
| TB | 1.01 | PPM | INAA | |
| DY | 6.15 | PPM | INAA | |
| YB | 4.42 | PPM | INAA | |
| LU | 0.63 | PPM | INAA | |
| SC | 5.3 | PPM | INAA | |
| CS | 8.1 | PPM | INAA | |
| HF | 9.2 | PPM | INAA | |
| BA | 690 | PPM | INAA | |
| TH | 32.3 | PPM | INAA | |
| U | 4.3 | PPM | INAA | |
| PB | 24.7 | PPM | MS | |
| SR87_SR86 | 0.710523 | MS | ||
| SR87_SR86 | 0.70864 | MS | ||
| ND143_ND144 | 0.512319 | MS | ||
| ND143_ND144_INITIAL | 0.512297 | MS | ||
| PB206_PB204 | 18.622 | MS | ||
| PB207_PB204 | 15.59 | MS | ||
| PB208_PB204 | 38.921 | 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