Sample 517
NavDat sample number 52884 · DACITE
Sample
| Sample ID | 517 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5158 |
|---|---|
| Longitude | -121.771 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.182 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.7 | WT% | XRF | |
| AL2O3 | 15.7 | WT% | XRF | |
| FEOT | 3.24 | WT% | XRF | |
| MGO | 0.95 | WT% | XRF | |
| CAO | 2.47 | WT% | XRF | |
| NA2O | 4.68 | WT% | XRF | |
| K2O | 3.41 | WT% | XRF | |
| TIO2 | 0.59 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| TOTAL | 99.57 | WT% | XRF | |
| LOI | 0.15 | WT% | XRF | |
| RB | 96 | PPM | XRF | |
| SR | 229 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 267 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 760 | PPM | XRF | |
| SC | 8.5 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 4.5 | PPM | INAA | |
| RB | 89 | PPM | INAA | |
| SR | 225 | PPM | INAA | |
| ZR | 219 | PPM | INAA | |
| SB | 0.5 | PPM | INAA | |
| CS | 5.31 | PPM | INAA | |
| BA | 703 | PPM | INAA | |
| LA | 20.2 | PPM | INAA | |
| CE | 42 | PPM | INAA | |
| ND | 20.9 | PPM | INAA | |
| SM | 4.27 | PPM | INAA | |
| EU | 0.963 | PPM | INAA | |
| TB | 0.696 | PPM | INAA | |
| DY | 4.18 | PPM | INAA | |
| YB | 2.93 | PPM | INAA | |
| LU | 0.453 | PPM | INAA | |
| HF | 6.2 | PPM | INAA | |
| TA | 0.73 | PPM | INAA | |
| TH | 9.07 | PPM | INAA | |
| U | 3.32 | PPM | INAA | |
| MN | 539 | PPM | INAA |