Sample MAR128A
NavDat sample number 11302 · ANDESITE
Sample
| Sample ID | MAR128A |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.2846 |
|---|---|
| Longitude | -120.174 |
| Location | Bald Mountain Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.62 | 0.5 | 0.73 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.52 | WT% | XRF | |
| TIO2 | 1.56 | WT% | XRF | |
| AL2O3 | 16.74 | WT% | XRF | |
| FEO | 7.28 | WT% | XRF | |
| MNO | 0.167 | WT% | XRF | |
| MGO | 6.97 | WT% | XRF | |
| CAO | 7.32 | WT% | XRF | |
| NA2O | 3.68 | WT% | INAA | |
| K2O | 2.88 | WT% | XRF | |
| P2O5 | 0.7 | WT% | XRF | |
| TOTAL | 102.15 | WT% | XRF | |
| V | 158 | PPM | INAA | |
| CR | 211 | PPM | INAA | |
| NI | 104 | PPM | XRF | |
| RB | 62 | PPM | XRF | |
| SR | 1260 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 273 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| BA | 1080 | PPM | XRF | |
| LA | 52 | PPM | INAA | |
| CE | 109 | PPM | INAA | |
| ND | 51 | PPM | INAA | |
| SM | 5.81 | PPM | INAA | |
| EU | 1.96 | PPM | INAA | |
| DY | 3.19 | PPM | INAA | |
| YB | 1.54 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| U | 3.19 | PPM | INAA | |
| TH | 5.52 | PPM | INAA | |
| TA | 1.85 | PPM | INAA | |
| HF | 6.03 | PPM | INAA |