Sample 1727
NavDat sample number 52780 · DACITE
Sample
| Sample ID | 1727 |
|---|---|
| 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 | 21 | PPM | NAA | |
| LA | 56 | PPM | NAA | |
| CE | 126 | PPM | NAA | |
| ND | 54 | PPM | NAA | |
| SM | 14 | PPM | NAA | |
| EU | 2.5 | PPM | NAA | |
| TB | 2.9 | PPM | NAA | |
| YB | 8.6 | PPM | NAA | |
| LU | 1.1 | PPM | NAA | |
| HF | 12 | PPM | NAA | |
| TA | 4.8 | PPM | NAA | |
| TH | 9.1 | PPM | NAA | |
| U | 3.6 | PPM | NAA | |
| SIO2 | 61.8 | WT% | ICPAES | |
| TIO2 | 1.7 | WT% | ICPAES | |
| AL2O3 | 13.3 | WT% | ICPAES | |
| FEOT | 8.21 | WT% | ICPAES | |
| MNO | 0.13 | WT% | ICPAES | |
| MGO | 3.3 | WT% | ICPAES | |
| CAO | 4.7 | WT% | ICPAES | |
| NA2O | 3.4 | WT% | ICPAES | |
| K2O | 3.1 | WT% | ICPAES | |
| P2O5 | 0.37 | WT% | ICPAES | |
| TOTAL | 99.1 | WT% | ICPAES | |
| SR | 154 | PPM | ICPAES | |
| BA | 233 | PPM | ICPAES | |
| ZR | 385 | PPM | ICPAES | |
| CR | 127 | PPM | NAA | |
| CO | 39 | PPM | NAA | |
| RB | 67 | PPM | NAA | |
| CS | 1.5 | PPM | NAA | |
| SR87_SR86 | 0.70654 | TIMS | ||
| ND143_ND144 | 0.512392 | TIMS |