Sample 1864
NavDat sample number 52787 · ANDESITE
Sample
| Sample ID | 1864 |
|---|---|
| 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 | PPM | NAA | |
| LA | 50 | PPM | NAA | |
| CE | 109 | PPM | NAA | |
| ND | 54 | PPM | NAA | |
| SM | 12.9 | PPM | NAA | |
| EU | 2.4 | PPM | NAA | |
| TB | 2.7 | PPM | NAA | |
| YB | 7.3 | PPM | NAA | |
| LU | 1 | PPM | NAA | |
| HF | 10.8 | PPM | NAA | |
| TA | 4.2 | PPM | NAA | |
| TH | 8.3 | PPM | NAA | |
| U | 3 | PPM | NAA | |
| SIO2 | 54.8 | WT% | ICPAES | |
| TIO2 | 2.29 | WT% | ICPAES | |
| AL2O3 | 14.6 | WT% | ICPAES | |
| FEOT | 10.3 | WT% | ICPAES | |
| MNO | 0.23 | WT% | ICPAES | |
| MGO | 4.74 | WT% | ICPAES | |
| CAO | 7.28 | WT% | ICPAES | |
| NA2O | 3.05 | WT% | ICPAES | |
| K2O | 2.22 | WT% | ICPAES | |
| P2O5 | 0.5 | WT% | ICPAES | |
| TOTAL | 96.9 | WT% | ICPAES | |
| SR | 214 | PPM | ICPAES | |
| BA | 324 | PPM | ICPAES | |
| ZR | 344 | PPM | ICPAES | |
| CR | 144 | PPM | NAA | |
| CO | 43.3 | PPM | NAA | |
| RB | 62 | PPM | NAA | |
| CS | 1.8 | PPM | NAA |