Sample 479
NavDat sample number 52875 · ANDESITE
Sample
| Sample ID | 479 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5435 |
|---|---|
| Longitude | -121.79 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.274 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.2 | WT% | XRF | |
| AL2O3 | 17.9 | WT% | XRF | |
| FEOT | 6.5 | WT% | XRF | |
| MGO | 2.32 | WT% | XRF | |
| CAO | 5.4 | WT% | XRF | |
| NA2O | 4.61 | WT% | XRF | |
| K2O | 1.71 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| TOTAL | 99.39 | WT% | XRF | |
| LOI | 0.41 | WT% | XRF | |
| RB | 46 | PPM | XRF | |
| SR | 471 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 152 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| BA | 518 | PPM | XRF | |
| SC | 15 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 12.7 | PPM | INAA | |
| RB | 41 | PPM | INAA | |
| SR | 462 | PPM | INAA | |
| ZR | 131 | PPM | INAA | |
| CS | 1.75 | PPM | INAA | |
| BA | 453 | PPM | INAA | |
| LA | 13.3 | PPM | INAA | |
| CE | 27.8 | PPM | INAA | |
| ND | 15 | PPM | INAA | |
| SM | 3.75 | PPM | INAA | |
| EU | 1.19 | PPM | INAA | |
| GD | 3.7 | PPM | INAA | |
| TB | 0.643 | PPM | INAA | |
| DY | 3.7 | PPM | INAA | |
| TM | 0.35 | PPM | INAA | |
| YB | 2.05 | PPM | INAA | |
| LU | 0.328 | PPM | INAA | |
| HF | 3.06 | PPM | INAA | |
| TA | 0.322 | PPM | INAA | |
| TH | 3.17 | PPM | INAA | |
| U | 1.47 | PPM | INAA | |
| MN | 950 | PPM | INAA |