Sample SB.18.1
NavDat sample number 119321 · ANDESITE
Sample
| Sample ID | SB.18.1 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 28.5196 |
|---|---|
| Longitude | -114.017 |
| Location | SAN BORJA VOLCANIC FIELD |
| State / province | BAJA CALIFORNIA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.005 | 0 | 0.01 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.6 | WT% | XRF | |
| TIO2 | 1.19 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FE2O3 | 0.74 | WT% | XRF | |
| FEO | 3.69 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 5.8 | WT% | XRF | |
| CAO | 6.5 | WT% | XRF | |
| NA2O | 4.9 | WT% | XRF | |
| K2O | 1.77 | WT% | XRF | |
| P2O5 | 0.54 | WT% | XRF | |
| LOI | 0.34 | WT% | XRF | |
| TOTAL | 99.34 | WT% | XRF | |
| NI | 140 | PPM | XRF | |
| CR | 242 | PPM | XRF | |
| V | 129 | PPM | XRF | |
| RB | 10 | PPM | XRF | |
| SR | 2163 | PPM | XRF | |
| BA | 946 | PPM | XRF | |
| ZR | 209 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| TH | 2.18 | PPM | INAA | |
| TA | 0.31 | PPM | INAA | |
| HF | 4.35 | PPM | INAA | |
| LA | 30.8 | PPM | INAA | |
| CE | 65.5 | PPM | INAA | |
| ND | 38.9 | PPM | INAA | |
| SM | 6.39 | PPM | INAA | |
| EU | 1.78 | PPM | INAA | |
| GD | 4.37 | PPM | INAA | |
| TB | 0.49 | PPM | INAA | |
| TM | 0.1 | PPM | INAA | |
| YB | 0.71 | PPM | INAA | |
| LU | 0.1 | PPM | INAA | |
| ZN | 67 | PPM | INAA | |
| SR87_SR86 | 0.70381 | MS |
References
- Saunders, A D; Rogers, G; Marriner, G F; Terrell, D J; Verma, S P (1987) Geochemistry of Cenozoic volcanic rocks, Baja California, Mexico; implications for the petrogenesis of post-subduction magmas. Journal of Volcanology and Geothermal Research, vol.32, no.1-3, pp.223-245, Jun 1987 doi:10.1016/0377-0273(87)90046-1