Sample 95
NavDat sample number 39380 · RHYOLITE
Sample
| Sample ID | 95 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite porphyry dike |
Location
| Latitude | 46.7257 |
|---|---|
| Longitude | -115.633 |
| 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 | 77.51 | WT% | ICPAES | |
| TIO2 | 0.1 | WT% | ICPAES | |
| AL2O3 | 12.46 | WT% | ICPAES | |
| FEOT | 1.28 | WT% | ICPAES | |
| FE2O3 | 0.77 | WT% | TIT | |
| FEO | 0.51 | WT% | TIT | |
| MNO | 0.01 | WT% | ICPAES | |
| MGO | 0.1 | WT% | ICPAES | |
| CAO | 0.56 | WT% | ICPAES | |
| NA2O | 3.54 | WT% | ICPAES | |
| K2O | 4.55 | WT% | ICPAES | |
| P2O5 | 0.02 | WT% | ICPAES | |
| LOI | 0.75 | WT% | ICPAES | |
| TOTAL | 100.89 | WT% | ICPAES | |
| BA | 64 | PPM | INAA | |
| CO | 2.5 | PPM | INAA | |
| CR | 79 | PPM | INAA | |
| CS | 4.7 | PPM | INAA | |
| HF | 5 | PPM | INAA | |
| MO | 0.5 | PPM | INAA | |
| NI | 10 | PPM | INAA | |
| RB | 210 | PPM | INAA | |
| SC | 3.1 | PPM | INAA | |
| SN | 2.5 | PPM | XRF | |
| TA | 1.2 | PPM | INAA | |
| TH | 21.8 | PPM | INAA | |
| U | 4.9 | PPM | INAA | |
| ZN | 50 | PPM | INAA | |
| NB | 12 | PPM | XRF | |
| ZR | 240 | PPM | INAA | |
| LA | 43 | PPM | INAA | |
| CE | 84 | PPM | INAA | |
| SM | 9 | PPM | INAA | |
| EU | 0.5 | PPM | INAA | |
| TB | 1.4 | PPM | INAA | |
| YB | 3 | PPM | INAA | |
| LU | 0.5 | PPM | INAA |