Sample OBTD1
NavDat sample number 33996 · DACITE
Sample
| Sample ID | OBTD1 |
|---|---|
| Alternate ID | 9 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 34.98 |
|---|---|
| Longitude | -120.32 |
| State / province | California |
| Volcanic field | Santa Maria Province SMP volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 17.5 | 17 | 18 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.15 | WT% | XRF | |
| NA2O | 2.78 | WT% | XRF | |
| K2O | 2.67 | WT% | XRF | |
| MGO | 1.24 | WT% | XRF | |
| FE2O3 | 1.85 | WT% | XRF | |
| AL2O3 | 12.89 | WT% | XRF | |
| CAO | 1.19 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| TIO2 | 0.56 | WT% | XRF | |
| BA | 443 | PPM | ICPMS | |
| CE | 47.5 | PPM | ICPMS | |
| DY | 7.54 | PPM | ICPMS | |
| ER | 5.31 | PPM | ICPMS | |
| EU | 1.43 | PPM | ICPMS | |
| GD | 6 | PPM | ICPMS | |
| HF | 3.71 | PPM | ICPMS | |
| HO | 2.22 | PPM | ICPMS | |
| LA | 25.8 | PPM | ICPMS | |
| LU | 0.45 | PPM | ICPMS | |
| NB | 6.12 | PPM | ICPMS | |
| ND | 22.1 | PPM | ICPMS | |
| PR | 6.69 | PPM | ICPMS | |
| RB | 123 | PPM | ICPMS | |
| SC | 15.3 | PPM | ICPMS | |
| SM | 5.7 | PPM | ICPMS | |
| SR | 180 | PPM | ICPMS | |
| TA | 1.27 | PPM | ICPMS | |
| TB | 1.89 | PPM | ICPMS | |
| TH | 17.8 | PPM | ICPMS | |
| TI | 759 | PPM | ICPMS | |
| TM | 0.55 | PPM | ICPMS | |
| U | 4.62 | PPM | ICPMS | |
| YB | 4.27 | PPM | ICPMS | |
| SR87_SR86 | 0.709247 | TIMS | ||
| RB87_SR86 | 1.978 | TIMS | ||
| ND143_ND144 | 0.512729 | TIMS | ||
| SM147_ND144 | 0.156 | TIMS |