Sample 86/8-9
NavDat sample number 41056 · BASALT
Sample
| Sample ID | 86/8-9 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| 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 | 51.5 | WT% | XRF | |
| TIO2 | 1.47 | WT% | XRF | |
| AL2O3 | 16.7 | WT% | XRF | |
| FEO | 9.9 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 6.32 | WT% | XRF | |
| CAO | 9.05 | WT% | XRF | |
| NA2O | 3.1 | WT% | XRF | |
| K2O | 1.3 | WT% | XRF | |
| P2O5 | 0.44 | WT% | XRF | |
| RB | 33 | PPM | XRF | |
| SR | 584 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 194 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| CO | 36 | PPM | XRF | |
| LA | 21.8 | PPM | INAA | |
| CE | 48 | PPM | INAA | |
| ND | 29.2 | PPM | INAA | |
| SM | 5.6 | PPM | INAA | |
| EU | 1.79 | PPM | INAA | |
| TB | 0.86 | PPM | INAA | |
| DY | 4.6 | PPM | INAA | |
| YB | 2.62 | PPM | INAA | |
| LU | 0.41 | PPM | INAA | |
| SC | 23.9 | PPM | INAA | |
| CS | 0.66 | PPM | INAA | |
| HF | 4.2 | PPM | INAA | |
| BA | 570 | PPM | INAA | |
| TH | 2.8 | PPM | INAA | |
| U | 0.71 | PPM | INAA | |
| PB | 6.7 | PPM | MS | |
| SR87_SR86 | 0.705735 | MS | ||
| SR87_SR86 | 0.70566 | MS | ||
| ND143_ND144 | 0.512588 | MS | ||
| ND143_ND144_INITIAL | 0.512563 | MS | ||
| PB206_PB204 | 18.561 | MS | ||
| PB207_PB204 | 15.556 | MS | ||
| PB208_PB204 | 38.532 | 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