Sample 1902
NavDat sample number 52788 · ANDESITE
Sample
| Sample ID | 1902 |
|---|---|
| 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 |
|---|---|---|---|---|
| SIO2 | 55 | WT% | ICPAES | |
| TIO2 | 2.21 | WT% | ICPAES | |
| AL2O3 | 14.1 | WT% | ICPAES | |
| FEOT | 10.7 | WT% | ICPAES | |
| MNO | 0.19 | WT% | ICPAES | |
| MGO | 4.97 | WT% | ICPAES | |
| CAO | 7.41 | WT% | ICPAES | |
| NA2O | 2.76 | WT% | ICPAES | |
| K2O | 2.15 | WT% | ICPAES | |
| P2O5 | 0.47 | WT% | ICPAES | |
| TOTAL | 97.4 | WT% | ICPAES | |
| SR | 207 | PPM | ICPAES | |
| BA | 310 | PPM | ICPAES | |
| ZR | 334 | PPM | ICPAES | |
| SR87_SR86 | 0.706679 | TIMS | ||
| ND143_ND144 | 0.512399 | TIMS |