Sample MH860
NavDat sample number 130380 · DACITE
Sample
| Sample ID | MH860 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.8958 |
|---|---|
| Longitude | -122.739 |
| 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 | 68.9 | WT% | RAPID_ROCK | |
| TIO2 | 0.42 | WT% | RAPID_ROCK | |
| AL2O3 | 15.2 | WT% | RAPID_ROCK | |
| FE2O3 | 1.5 | WT% | RAPID_ROCK | |
| FEO | 1.5 | WT% | RAPID_ROCK | |
| MNO | 0.03 | WT% | RAPID_ROCK | |
| MGO | 2 | WT% | RAPID_ROCK | |
| CAO | 3.5 | WT% | RAPID_ROCK | |
| NA2O | 3.3 | WT% | RAPID_ROCK | |
| K2O | 3.1 | WT% | RAPID_ROCK | |
| P2O5 | 0.12 | WT% | RAPID_ROCK | |
| H2O_PLUS | 0.54 | WT% | RAPID_ROCK | |
| H2O | 0.38 | WT% | RAPID_ROCK | |
| TOTAL | 100.49 | WT% | RAPID_ROCK | |
| CS | 6.2 | PPM | INAA | |
| RB | 95 | PPM | INAA | |
| BA | 956 | PPM | INAA | |
| TH | 13 | PPM | INAA | |
| U | 0 | PPM | INAA | |
| TA | 0.8 | PPM | INAA | |
| LA | 33 | PPM | INAA | |
| CE | 54 | PPM | INAA | |
| SR | 314 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 5.6 | PPM | INAA | |
| ZR | 122 | PPM | INAA | |
| HF | 3.8 | PPM | INAA | |
| EU | 0.86 | PPM | INAA | |
| YB | 2.3 | PPM | INAA | |
| LU | 0.36 | PPM | INAA | |
| SR87_SR86 | 0.70414 | TIMS | ||
| ND143_ND144 | 0.511955 | TIMS |