Sample 471
NavDat sample number 52871 · ANDESITE
Sample
| Sample ID | 471 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7795 |
|---|---|
| Longitude | -121.566 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.171 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.5 | WT% | XRF | |
| AL2O3 | 17 | WT% | XRF | |
| FEOT | 6.83 | WT% | XRF | |
| MGO | 5.6 | WT% | XRF | |
| CAO | 7.78 | WT% | XRF | |
| NA2O | 3.6 | WT% | XRF | |
| K2O | 1.5 | WT% | XRF | |
| TIO2 | 0.88 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 99.93 | WT% | XRF | |
| LOI | 0.22 | WT% | XRF | |
| RB | 36 | PPM | XRF | |
| SR | 226 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 178 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| BA | 390 | PPM | XRF | |
| SC | 25.6 | PPM | INAA | |
| CR | 105 | PPM | INAA | |
| CO | 24.7 | PPM | INAA | |
| RB | 38 | PPM | INAA | |
| SR | 156 | PPM | INAA | |
| ZR | 119 | PPM | INAA | |
| SB | 0.2 | PPM | INAA | |
| CS | 2.07 | PPM | INAA | |
| BA | 325 | PPM | INAA | |
| LA | 10.2 | PPM | INAA | |
| CE | 21.9 | PPM | INAA | |
| ND | 13.4 | PPM | INAA | |
| SM | 3.27 | PPM | INAA | |
| EU | 1.12 | PPM | INAA | |
| GD | 3.69 | PPM | INAA | |
| TB | 0.625 | PPM | INAA | |
| DY | 4.3 | PPM | INAA | |
| TM | 0.46 | PPM | INAA | |
| YB | 2.98 | PPM | INAA | |
| HF | 3.48 | PPM | INAA | |
| TA | 0.333 | PPM | INAA | |
| TH | 3.57 | PPM | INAA | |
| U | 1.49 | PPM | INAA | |
| MN | 1050 | PPM | INAA |