Sample 1B
NavDat sample number 52745 · ANDESITE
Sample
| Sample ID | 1B |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 43.3925 |
|---|---|
| Longitude | -112.899 |
| Location | Eastern Snake River Plain volcanic field |
| State / province | Idaho |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.4 | 0.36 | 0.44 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.7 | WT% | XRF | |
| TIO2 | 1.39 | WT% | XRF | |
| AL2O3 | 13.5 | WT% | XRF | |
| FEOT | 12.3 | WT% | XRF | |
| MNO | 0.34 | WT% | XRF | |
| MGO | 1.13 | WT% | XRF | |
| CAO | 4.41 | WT% | XRF | |
| NA2O | 3.94 | WT% | XRF | |
| K2O | 3.87 | WT% | XRF | |
| P2O5 | 0.54 | WT% | XRF | |
| LOI | 0.09 | WT% | XRF | |
| TOTAL | 99.2 | WT% | XRF | |
| RB | 95 | PPM | XRF | |
| SR | 254 | PPM | XRF | |
| BA | 2850 | PPM | XRF | |
| Y | 115 | PPM | XRF | |
| ZR | 3287 | PPM | XRF | |
| SC | 35 | PPM | NAA | |
| LA | 138 | PPM | NAA | |
| CE | 276 | PPM | NAA | |
| ND | 134 | PPM | NAA | |
| SM | 27 | PPM | NAA | |
| EU | 9.4 | PPM | NAA | |
| TB | 5 | PPM | NAA | |
| YB | 20 | PPM | NAA | |
| LU | 2.4 | PPM | NAA | |
| HF | 5 | PPM | NAA | |
| TA | 7.1 | PPM | NAA | |
| TH | 12 | PPM | NAA | |
| U | 3.5 | PPM | NAA |