Sample 316
NavDat sample number 39382 · RHYOLITE
Sample
| Sample ID | 316 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite porphyry dike |
Location
| Latitude | 46.7584 |
|---|---|
| Longitude | -115.509 |
| State / province | Idaho |
| Volcanic field | Bungalow stock, Challis magmatic province |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 46.2 | 44.2 | 48.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.76 | WT% | ICPAES | |
| TIO2 | 0.2 | WT% | ICPAES | |
| AL2O3 | 12.64 | WT% | ICPAES | |
| FEOT | 1.69 | WT% | ICPAES | |
| FE2O3 | 0.8 | WT% | TIT | |
| FEO | 0.89 | WT% | TIT | |
| MNO | 0.02 | WT% | ICPAES | |
| MGO | 0.22 | WT% | ICPAES | |
| CAO | 0.54 | WT% | ICPAES | |
| NA2O | 3.46 | WT% | ICPAES | |
| K2O | 5.09 | WT% | ICPAES | |
| P2O5 | 0.08 | WT% | ICPAES | |
| LOI | 1.4 | WT% | ICPAES | |
| TOTAL | 101.13 | WT% | ICPAES | |
| BA | 230 | PPM | INAA | |
| CO | 2.5 | PPM | INAA | |
| CR | 89 | PPM | INAA | |
| CS | 3 | PPM | INAA | |
| HF | 4 | PPM | INAA | |
| MO | 2.5 | PPM | INAA | |
| NI | 25 | PPM | INAA | |
| RB | 130 | PPM | INAA | |
| SC | 3.6 | PPM | INAA | |
| SN | 2.5 | PPM | XRF | |
| TA | 0.5 | PPM | INAA | |
| TH | 15 | PPM | INAA | |
| U | 3.2 | PPM | INAA | |
| ZN | 25 | PPM | INAA | |
| LA | 52 | PPM | INAA | |
| CE | 76 | PPM | INAA | |
| ND | 29 | PPM | INAA | |
| SM | 5 | PPM | INAA | |
| EU | 0.3 | PPM | INAA | |
| TB | 1.1 | PPM | INAA | |
| YB | 3 | PPM | INAA | |
| LU | 0.53 | PPM | INAA |