Sample 827
NavDat sample number 53381 · DACITE
Sample
| Sample ID | 827 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7517 |
|---|---|
| Longitude | -121.298 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.8 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 3.79 | WT% | XRF | |
| MGO | 0.9 | WT% | XRF | |
| CAO | 2.77 | WT% | XRF | |
| NA2O | 4.86 | WT% | XRF | |
| K2O | 2.85 | WT% | XRF | |
| TIO2 | 0.54 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| TOTAL | 98.59 | WT% | XRF | |
| LOI | 0.75 | WT% | XRF | |
| FEOT | 0.28 | WT% | WET | |
| H2O_PLUS | 0.53 | WT% | WET | |
| H2O_MINUS | 0.26 | WT% | WET | |
| CO2 | 0.21 | WT% | WET | |
| RB | 55 | PPM | XRF | |
| SR | 271 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 207 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| BA | 807 | PPM | XRF | |
| ZN | 58 | PPM | XRF | |
| SC | 9.8 | PPM | INAA | |
| CR | 5 | PPM | INAA | |
| CO | 7.7 | PPM | INAA | |
| ZN | 58 | PPM | INAA | |
| RB | 60 | PPM | INAA | |
| ZR | 209 | PPM | INAA | |
| SB | 0.25 | PPM | INAA | |
| CS | 1.28 | PPM | INAA | |
| BA | 807 | PPM | INAA | |
| LA | 21.8 | PPM | INAA | |
| CE | 37.6 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 4.65 | PPM | INAA | |
| EU | 1.06 | PPM | INAA | |
| GD | 5.2 | PPM | INAA | |
| TB | 0.74 | PPM | INAA | |
| TM | 0.99 | PPM | INAA | |
| YB | 3.12 | PPM | INAA | |
| LU | 0.53 | PPM | INAA | |
| HF | 5.34 | PPM | INAA | |
| TA | 0.63 | PPM | INAA | |
| TH | 5.7 | PPM | INAA | |
| U | 1.91 | PPM | INAA |