Sample 1931
NavDat sample number 52789 · ANDESITE
Sample
| Sample ID | 1931 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 43.4908 |
|---|---|
| Longitude | -112.684 |
| Location | Eastern Snake River Plain volcanic field |
| State / province | Idaho |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.4 | 1.26 | 1.54 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SC | 23.8 | PPM | NAA | |
| LA | 12 | PPM | NAA | |
| CE | 269 | PPM | NAA | |
| ND | 141 | PPM | NAA | |
| SM | 25.4 | PPM | NAA | |
| EU | 10.2 | PPM | NAA | |
| TB | 4.5 | PPM | NAA | |
| YB | 13.6 | PPM | NAA | |
| LU | 1.9 | PPM | NAA | |
| HF | 53.4 | PPM | NAA | |
| TA | 6.3 | PPM | NAA | |
| TH | 13.9 | PPM | NAA | |
| U | 4.5 | PPM | NAA | |
| SIO2 | 60.6 | WT% | ICPAES | |
| TIO2 | 1.17 | WT% | ICPAES | |
| AL2O3 | 14.5 | WT% | ICPAES | |
| FEOT | 9.39 | WT% | ICPAES | |
| MNO | 0.25 | WT% | ICPAES | |
| MGO | 0.93 | WT% | ICPAES | |
| CAO | 4.36 | WT% | ICPAES | |
| NA2O | 3.59 | WT% | ICPAES | |
| K2O | 4.75 | WT% | ICPAES | |
| P2O5 | 0.44 | WT% | ICPAES | |
| TOTAL | 97.9 | WT% | ICPAES | |
| SR | 193 | PPM | ICPAES | |
| BA | 4427 | PPM | ICPAES | |
| ZR | 2226 | PPM | ICPAES | |
| CR | 6 | PPM | NAA | |
| CO | 11.7 | PPM | NAA | |
| RB | 98 | PPM | NAA | |
| CS | 2.1 | PPM | NAA |