Sample B1427
NavDat sample number 130379 · DACITE
Sample
| Sample ID | B1427 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.9029 |
|---|---|
| Longitude | -122.77 |
| Location | MT. HANNAH |
| State / province | CALIFORNIA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.9 | 0.88 | 0.92 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.8 | WT% | RAPID_ROCK | |
| TIO2 | 0.47 | WT% | RAPID_ROCK | |
| AL2O3 | 15.7 | WT% | RAPID_ROCK | |
| FE2O3 | 0.7 | WT% | RAPID_ROCK | |
| FEO | 2.5 | WT% | RAPID_ROCK | |
| MNO | 0.06 | WT% | RAPID_ROCK | |
| MGO | 2.2 | WT% | RAPID_ROCK | |
| CAO | 3.6 | WT% | RAPID_ROCK | |
| NA2O | 3.2 | WT% | RAPID_ROCK | |
| K2O | 2.8 | WT% | RAPID_ROCK | |
| P2O5 | 0.09 | WT% | RAPID_ROCK | |
| H2O_PLUS | 1.6 | WT% | RAPID_ROCK | |
| H2O | 0.38 | WT% | RAPID_ROCK | |
| TOTAL | 101.1 | WT% | RAPID_ROCK | |
| CS | 7.3 | PPM | INAA | |
| RB | 87 | PPM | INAA | |
| BA | 788 | PPM | INAA | |
| TH | 11.5 | PPM | INAA | |
| U | 4 | PPM | INAA | |
| TA | 0.71 | PPM | INAA | |
| LA | 24 | PPM | INAA | |
| CE | 46 | PPM | INAA | |
| SR | 324 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 4.3 | PPM | INAA | |
| ZR | 131 | PPM | INAA | |
| HF | 3.7 | PPM | INAA | |
| EU | 0.74 | PPM | INAA | |
| YB | 2.2 | PPM | INAA | |
| LU | 0.32 | PPM | INAA | |
| SR87_SR86 | 0.70417 | TIMS | ||
| ND143_ND144 | 0.511948 | TIMS |