Sample MRNW18
NavDat sample number 11281 · ANDESITE
Sample
| Sample ID | MRNW18 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4324 |
|---|---|
| Longitude | -120.128 |
| Location | Hunter Lake Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.8 | 2.52 | 3.08 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.07 | WT% | XRF | |
| TIO2 | 0.984 | WT% | XRF | |
| AL2O3 | 15.88 | WT% | XRF | |
| FEO | 4.96 | WT% | XRF | |
| MNO | 0.087 | WT% | XRF | |
| MGO | 2.36 | WT% | XRF | |
| CAO | 5.3 | WT% | XRF | |
| NA2O | 4.75 | WT% | XRF | |
| K2O | 2.78 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| TOTAL | 99.88 | WT% | XRF | |
| V | 97 | PPM | XRF | |
| CR | 68 | PPM | XRF | |
| NI | 44 | PPM | XRF | |
| RB | 73 | PPM | XRF | |
| SR | 769 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 285 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| BA | 1620 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 78 | PPM | XRF |