Sample 1686
NavDat sample number 52778 · DACITE
Sample
| Sample ID | 1686 |
|---|---|
| Rock name | DACITE |
| 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 | 11 | PPM | NAA | |
| LA | 75 | PPM | NAA | |
| CE | 169 | PPM | NAA | |
| ND | 70 | PPM | NAA | |
| SM | 18 | PPM | NAA | |
| EU | 1.7 | PPM | NAA | |
| TB | 4 | PPM | NAA | |
| YB | 13 | PPM | NAA | |
| LU | 1.6 | PPM | NAA | |
| HF | 14 | PPM | NAA | |
| TA | 7 | PPM | NAA | |
| TH | 16 | PPM | NAA | |
| U | 6.5 | PPM | NAA | |
| SIO2 | 64.6 | WT% | ICPAES | |
| TIO2 | 1.3 | WT% | ICPAES | |
| AL2O3 | 13 | WT% | ICPAES | |
| FEOT | 6.67 | WT% | ICPAES | |
| MNO | 0.11 | WT% | ICPAES | |
| MGO | 2.7 | WT% | ICPAES | |
| CAO | 4 | WT% | ICPAES | |
| NA2O | 3.2 | WT% | ICPAES | |
| K2O | 4.2 | WT% | ICPAES | |
| P2O5 | 0.3 | WT% | ICPAES | |
| TOTAL | 96.8 | WT% | ICPAES | |
| SR | 117 | PPM | ICPAES | |
| BA | 186 | PPM | ICPAES | |
| ZR | 389 | PPM | ICPAES | |
| CR | 75 | PPM | NAA | |
| CO | 27 | PPM | NAA | |
| RB | 144 | PPM | NAA | |
| CS | 2.2 | PPM | NAA |