Sample MRNW15
NavDat sample number 11282 · ANDESITE
Sample
| Sample ID | MRNW15 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4285 |
|---|---|
| Longitude | -120.124 |
| 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 | 61.31 | WT% | XRF | |
| TIO2 | 0.99 | WT% | XRF | |
| AL2O3 | 16.17 | WT% | XRF | |
| FEO | 4.99 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 2.74 | WT% | XRF | |
| CAO | 5.29 | WT% | XRF | |
| NA2O | 4.08 | WT% | INAA | |
| K2O | 2.66 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| TOTAL | 99.12 | WT% | XRF | |
| V | 85 | PPM | INAA | |
| CR | 84 | PPM | INAA | |
| NI | 46 | PPM | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 771 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 288 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| BA | 1610 | PPM | XRF | |
| LA | 45 | PPM | XRF | |
| CE | 81 | PPM | INAA | |
| SM | 6.63 | PPM | INAA | |
| EU | 1.31 | PPM | INAA | |
| TB | 0.73 | PPM | INAA | |
| DY | 3.2 | PPM | INAA | |
| U | 1.8 | PPM | INAA | |
| TH | 6 | PPM | INAA | |
| TA | 1.39 | PPM | INAA | |
| HF | 7.4 | PPM | INAA |