Sample 2000
NavDat sample number 52791 · RHYOLITE
Sample
| Sample ID | 2000 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| 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 | 6 | PPM | NAA | |
| LA | 215 | PPM | NAA | |
| CE | 450 | PPM | NAA | |
| ND | 206 | PPM | NAA | |
| SM | 34 | PPM | NAA | |
| EU | 6.26 | PPM | NAA | |
| TB | 6 | PPM | NAA | |
| YB | 18.7 | PPM | NAA | |
| LU | 2.48 | PPM | NAA | |
| HF | 30.9 | PPM | NAA | |
| TA | 10 | PPM | NAA | |
| TH | 28 | PPM | NAA | |
| U | 7.9 | PPM | NAA | |
| SIO2 | 69.3 | WT% | ICPAES | |
| TIO2 | 0.4 | WT% | ICPAES | |
| AL2O3 | 14 | WT% | ICPAES | |
| FEOT | 4.77 | WT% | ICPAES | |
| MNO | 0.1 | WT% | ICPAES | |
| MGO | 0.17 | WT% | ICPAES | |
| CAO | 1.51 | WT% | ICPAES | |
| NA2O | 3.65 | WT% | ICPAES | |
| K2O | 6.02 | WT% | ICPAES | |
| P2O5 | 0.06 | WT% | ICPAES | |
| TOTAL | 97.6 | WT% | ICPAES | |
| SR | 28 | PPM | ICPAES | |
| BA | 1404 | PPM | ICPAES | |
| ZR | 1005 | PPM | ICPAES | |
| CR | 10 | PPM | NAA | |
| CO | 8.3 | PPM | NAA | |
| RB | 153 | PPM | NAA | |
| CS | 2.2 | PPM | NAA |