Sample 30
NavDat sample number 39378 · RHYOLITE
Sample
| Sample ID | 30 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite porphyry dike |
Location
| Latitude | 46.7901 |
|---|---|
| Longitude | -115.414 |
| 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 | 73.32 | WT% | ICPAES | |
| TIO2 | 0.23 | WT% | ICPAES | |
| AL2O3 | 13.46 | WT% | ICPAES | |
| FEOT | 2.15 | WT% | ICPAES | |
| FE2O3 | 0.71 | WT% | TIT | |
| FEO | 1.44 | WT% | TIT | |
| MNO | 0.03 | WT% | ICPAES | |
| MGO | 0.03 | WT% | ICPAES | |
| CAO | 0.65 | WT% | ICPAES | |
| NA2O | 3.92 | WT% | ICPAES | |
| K2O | 4.63 | WT% | ICPAES | |
| P2O5 | 0.04 | WT% | ICPAES | |
| LOI | 0.66 | WT% | ICPAES | |
| TOTAL | 99.15 | WT% | ICPAES | |
| BA | 510 | PPM | INAA | |
| CO | 2.5 | PPM | INAA | |
| CR | 46 | PPM | INAA | |
| CS | 3 | PPM | INAA | |
| HF | 7 | PPM | INAA | |
| MO | 0.5 | PPM | INAA | |
| NI | 10 | PPM | INAA | |
| RB | 190 | PPM | INAA | |
| SC | 4.1 | PPM | INAA | |
| SN | 2.5 | PPM | XRF | |
| TA | 1.1 | PPM | INAA | |
| TH | 18 | PPM | INAA | |
| U | 4.5 | PPM | INAA | |
| ZN | 50 | PPM | INAA | |
| NB | 11 | PPM | XRF | |
| ZR | 400 | PPM | INAA | |
| LA | 53 | PPM | INAA | |
| CE | 110 | PPM | INAA | |
| SM | 8.1 | PPM | INAA | |
| EU | 0.5 | PPM | INAA | |
| TB | 1.1 | PPM | INAA | |
| YB | 1 | PPM | INAA | |
| LU | 0.5 | PPM | INAA |