Sample 386
NavDat sample number 39383 · RHYOLITE
Sample
| Sample ID | 386 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite porphyry dike |
Location
| Latitude | 46.6075 |
|---|---|
| Longitude | -115.483 |
| 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 | 74.57 | WT% | ICPAES | |
| TIO2 | 0.09 | WT% | ICPAES | |
| AL2O3 | 11.85 | WT% | ICPAES | |
| FEOT | 1.56 | WT% | ICPAES | |
| FE2O3 | 1.11 | WT% | TIT | |
| FEO | 0.45 | WT% | TIT | |
| MNO | 0.01 | WT% | ICPAES | |
| MGO | 0.09 | WT% | ICPAES | |
| CAO | 0.32 | WT% | ICPAES | |
| NA2O | 3.46 | WT% | ICPAES | |
| K2O | 4.93 | WT% | ICPAES | |
| P2O5 | 0.01 | WT% | ICPAES | |
| LOI | 0.66 | WT% | ICPAES | |
| TOTAL | 97.55 | WT% | ICPAES | |
| BA | 50 | PPM | INAA | |
| CO | 2.5 | PPM | INAA | |
| CR | 74 | PPM | INAA | |
| CS | 3 | PPM | INAA | |
| HF | 3 | PPM | INAA | |
| MO | 2.5 | PPM | INAA | |
| NI | 25 | PPM | INAA | |
| RB | 200 | PPM | INAA | |
| SC | 3.6 | PPM | INAA | |
| SN | 2.5 | PPM | XRF | |
| TA | 2 | PPM | INAA | |
| TH | 19 | PPM | INAA | |
| U | 4.8 | PPM | INAA | |
| ZN | 25 | PPM | INAA | |
| LA | 15 | PPM | INAA | |
| CE | 29 | PPM | INAA | |
| ND | 12 | PPM | INAA | |
| SM | 4.3 | PPM | INAA | |
| EU | 0.1 | PPM | INAA | |
| TB | 1.4 | PPM | INAA | |
| YB | 5.4 | PPM | INAA | |
| LU | 0.88 | PPM | INAA |