Sample s_MSH90-9
NavDat sample number 22715 · DACITE
Sample
| Sample ID | s_MSH90-9 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Texture | PHYRIC, HYALOPILITIC GROUNDMASS |
| Comment | subaerial |
Location
| Latitude | 46.2031 |
|---|---|
| Longitude | -122.187 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / PACIFIC OCEAN |
| State / province | WASHINGTON |
| Location comment | SUMMIT CRATER |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.01 | 0.002 | 0.01 | Holocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 310.1 | PPM | MS-ID | |
| TH | 2.088 | PPM | MS-ID | |
| U | 7.302 | PPM | MS-ID | |
| TH230 | 0.6916 | DPM/G | MS-ID | |
| TH230_TH232 | 1.357 | MS-ID | ||
| U238_TH232 | 1.416 | MS-ID | ||
| TH230_U238 | 0.958 | MS-ID | ||
| U234_U238 | 1.005 | MS-ID | ||
| BA | 136.2 | PPM | MS-ID | |
| TH | 0.31 | PPM | MS-ID | |
| U | 7.289 | PPM | MS-ID | |
| TH230 | 0.1025 | DPM/G | MS-ID | |
| TH230_TH232 | 1.355 | MS-ID | ||
| U238_TH232 | 1.31 | MS-ID | ||
| TH230_U238 | 1.033 | MS-ID | ||
| U234_U238 | 1.004 | MS-ID | ||
| BA | 2.4 | PPM | MS-ID | |
| TH | 0.122 | PPM | MS-ID | |
| U | 7.367 | PPM | MS-ID | |
| TH230 | 0.0408 | DPM/G | MS-ID | |
| TH230_TH232 | 1.426 | MS-ID | ||
| U238_TH232 | 2.711 | MS-ID | ||
| TH230_U238 | 0.502 | MS-ID | ||
| U234_U238 | 0.996 | MS-ID |