Sample 21
NavDat sample number 52766 · RHYOLITE
Sample
| Sample ID | 21 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.3811 |
|---|---|
| Longitude | -112.091 |
| Location | Eastern Snake River Plain volcanic field |
| State / province | Idaho |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.4 | 0.36 | 0.44 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.3 | WT% | ICPAES | |
| TIO2 | 0.13 | WT% | ICPAES | |
| AL2O3 | 12.5 | WT% | ICPAES | |
| FEOT | 2.42 | WT% | ICPAES | |
| MNO | 0.05 | WT% | ICPAES | |
| MGO | 0.02 | WT% | ICPAES | |
| CAO | 0.57 | WT% | ICPAES | |
| NA2O | 4.16 | WT% | ICPAES | |
| K2O | 4.91 | WT% | ICPAES | |
| P2O5 | 0.01 | WT% | ICPAES | |
| LOI | 0.46 | WT% | ICPAES | |
| TOTAL | 99.4 | WT% | ICPAES | |
| BA | 369 | PPM | ICPAES | |
| Y | 211 | PPM | ICPAES | |
| ZR | 46 | PPM | ICPAES | |
| RB | 280 | PPM | MS-ID | |
| SR | 1 | PPM | MS-ID | |
| ND | 81 | PPM | MS-ID | |
| SM | 22 | PPM | MS-ID | |
| SR87_SR86 | 0.71142 | TIMS | ||
| ND143_ND144 | 0.51234 | TIMS |