Sample Ttbd
NavDat sample number 8961 · DACITE
Sample
| Sample ID | Ttbd |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Volcanics of Teddy Bear Wash |
Location
| Latitude | 36.05 |
|---|---|
| Longitude | -114.84 |
| Location | River Mountains |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 13 | 12 | 15 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.62 | WT% | ICP | |
| TIO2 | 0.79 | WT% | ICP | |
| AL2O3 | 16.96 | WT% | ICP | |
| FE2O3 | 5.79 | WT% | ICP | |
| MGO | 3.03 | WT% | ICP | |
| MNO | 0.07 | WT% | ICP | |
| CAO | 4.39 | WT% | ICP | |
| NA2O | 3.98 | WT% | ICP | |
| K2O | 5.2 | WT% | ICP | |
| P2O5 | 0.5 | WT% | ICP | |
| LOI | 1.44 | WT% | ICP | |
| TOTAL | 98.77 | WT% | ICP | |
| BA | 1624.5 | PPM | ICP | |
| CR | 35.62 | PPM | ICP | |
| RB | 139.04 | PPM | XRF | |
| SC | 11.04 | PPM | INAA | |
| SR | 405 | PPM | XRF | |
| TH | 15.74 | PPM | INAA | |
| LA | 75.94 | PPM | INAA | |
| CE | 157.15 | PPM | INAA | |
| ND | 77.89 | PPM | INAA | |
| SM | 9.12 | PPM | INAA | |
| EU | 2.22 | PPM | INAA | |
| TB | 1.11 | PPM | INAA | |
| YB | 1.69 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| HF | 5.81 | PPM | ICP |