Sample 306
NavDat sample number 52839 · DACITE
Sample
| Sample ID | 306 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5638 |
|---|---|
| Longitude | -121.516 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.29 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.4 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 5.74 | WT% | XRF | |
| MGO | 1.8 | WT% | XRF | |
| CAO | 4.42 | WT% | XRF | |
| NA2O | 4.76 | WT% | XRF | |
| K2O | 2.1 | WT% | XRF | |
| TIO2 | 1.09 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 99.79 | WT% | XRF | |
| LOI | 0.5 | WT% | XRF | |
| NA2O | 5.02 | WT% | FPHOT | |
| K2O | 2.142 | WT% | FPHOT | |
| FEOT | 3.92 | WT% | WET | |
| H2O_PLUS | 0.19 | WT% | WET | |
| H2O_MINUS | 0.13 | WT% | WET | |
| CO2 | 0.09 | WT% | WET | |
| RB | 55 | PPM | XRF | |
| SR | 400 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| ZR | 222 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 608 | PPM | XRF | |
| NI | 13 | PPM | XRF | |
| CU | 23 | PPM | XRF | |
| ZN | 77 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 16.9 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 9.7 | PPM | INAA | |
| RB | 51 | PPM | INAA | |
| SR | 422 | PPM | INAA | |
| ZR | 198 | PPM | INAA | |
| SB | 0.27 | PPM | INAA | |
| CS | 2.48 | PPM | INAA | |
| BA | 579 | PPM | INAA | |
| LA | 18.3 | PPM | INAA | |
| CE | 42.3 | PPM | INAA | |
| ND | 26.4 | PPM | INAA | |
| SM | 5.54 | PPM | INAA | |
| EU | 1.46 | PPM | INAA | |
| GD | 4.82 | PPM | INAA | |
| TB | 0.864 | PPM | INAA | |
| DY | 4.94 | PPM | INAA | |
| YB | 3.2 | PPM | INAA | |
| LU | 0.532 | PPM | INAA | |
| HF | 5 | PPM | INAA | |
| TA | 0.576 | PPM | INAA | |
| TH | 5.31 | PPM | INAA | |
| U | 2.14 | PPM | INAA | |
| MN | 910 | PPM | INAA |