Sample 912
NavDat sample number 52952 · DACITE
Sample
| Sample ID | 912 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5417 |
|---|---|
| Longitude | -121.535 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.145 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.9 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| FEOT | 2.77 | WT% | XRF | |
| MGO | 1.29 | WT% | XRF | |
| CAO | 2.5 | WT% | XRF | |
| NA2O | 3.98 | WT% | XRF | |
| K2O | 4.02 | WT% | XRF | |
| TIO2 | 0.48 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 98.88 | WT% | XRF | |
| LOI | 0.69 | WT% | XRF | |
| NA2O | 4.09 | WT% | FPHOT | |
| K2O | 4.1 | WT% | FPHOT | |
| FEOT | 2.03 | WT% | WET | |
| H2O_PLUS | 0.61 | WT% | WET | |
| CO2 | 0.03 | WT% | WET | |
| RB | 128 | PPM | XRF | |
| SR | 163 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 241 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 672 | PPM | XRF | |
| ZN | 37 | PPM | XRF | |
| SC | 8.5 | PPM | INAA | |
| CR | 15 | PPM | INAA | |
| CO | 7.2 | PPM | INAA | |
| ZN | 41 | PPM | INAA | |
| RB | 134 | PPM | INAA | |
| ZR | 243 | PPM | INAA | |
| SB | 0.99 | PPM | INAA | |
| CS | 7.67 | PPM | INAA | |
| BA | 703 | PPM | INAA | |
| LA | 23.2 | PPM | INAA | |
| CE | 44 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.53 | PPM | INAA | |
| EU | 0.8 | PPM | INAA | |
| GD | 4.4 | PPM | INAA | |
| TB | 0.78 | PPM | INAA | |
| TM | 0.45 | PPM | INAA | |
| YB | 3.16 | PPM | INAA | |
| LU | 0.443 | PPM | INAA | |
| HF | 6.26 | PPM | INAA | |
| TA | 0.99 | PPM | INAA | |
| TH | 13.8 | PPM | INAA | |
| U | 4.86 | PPM | INAA |