Sample 7
NavDat sample number 39377 · RHYOLITE
Sample
| Sample ID | 7 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite porphyry dike |
Location
| Latitude | 46.6979 |
|---|---|
| Longitude | -115.645 |
| 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 | 76.32 | WT% | ICPAES | |
| TIO2 | 0.17 | WT% | ICPAES | |
| AL2O3 | 12.45 | WT% | ICPAES | |
| FEOT | 1.7 | WT% | ICPAES | |
| FE2O3 | 0.67 | WT% | TIT | |
| FEO | 1.03 | WT% | TIT | |
| MNO | 0.02 | WT% | ICPAES | |
| MGO | 0.21 | WT% | ICPAES | |
| CAO | 0.77 | WT% | ICPAES | |
| NA2O | 3.19 | WT% | ICPAES | |
| K2O | 4.66 | WT% | ICPAES | |
| P2O5 | 0.07 | WT% | ICPAES | |
| LOI | 0.73 | WT% | ICPAES | |
| TOTAL | 100.31 | WT% | ICPAES | |
| BA | 290 | PPM | INAA | |
| CO | 2.5 | PPM | INAA | |
| CR | 46 | PPM | INAA | |
| CS | 3.4 | PPM | INAA | |
| HF | 4 | PPM | INAA | |
| MO | 0.5 | PPM | INAA | |
| NI | 10 | PPM | INAA | |
| RB | 180 | PPM | INAA | |
| SC | 2.6 | PPM | INAA | |
| SN | 2.5 | PPM | XRF | |
| TA | 0.9 | PPM | INAA | |
| TH | 20.3 | PPM | INAA | |
| U | 4.5 | PPM | INAA | |
| ZN | 50 | PPM | INAA | |
| NB | 11 | PPM | XRF | |
| ZR | 100 | PPM | INAA | |
| LA | 37 | PPM | INAA | |
| CE | 73 | PPM | INAA | |
| SM | 6.8 | PPM | INAA | |
| EU | 0.5 | PPM | INAA | |
| TB | 0.8 | PPM | INAA | |
| YB | 1 | PPM | INAA | |
| LU | 0.3 | PPM | INAA |