Sample SF9517
NavDat sample number 40704 · RHYODACITE
Sample
| Sample ID | SF9517 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | heavily corroded feldspar phenos, fractured and chloritized hb, in a fine grained matrix; rock in general is quite altered |
Location
| Latitude | 44.5203 |
|---|---|
| Longitude | -115.112 |
| Location | 2 miles W of SeaFoam ranger station, NW of Stanley |
| State / province | Idaho |
| Volcanic field | Seafoam Dike Swarm |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 53.4 | 52.9 | 53.9 |
Analyses
Minerial
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.55 | WT% | XRF | |
| AL2O3 | 16.29 | WT% | XRF | |
| TIO2 | 0.524 | WT% | XRF | |
| FEOT | 3.43 | WT% | XRF | |
| MNO | 0.073 | WT% | XRF | |
| CAO | 3.87 | WT% | XRF | |
| MGO | 2.53 | WT% | XRF | |
| K2O | 3.13 | WT% | XRF | |
| NA2O | 3.82 | WT% | XRF | |
| P2O5 | 0.162 | WT% | XRF | |
| TOTAL | 100.379 | WT% | XRF | |
| NI | 17 | PPM | XRF | |
| CR | 83 | PPM | XRF | |
| SC | 8 | PPM | XRF | |
| V | 60 | PPM | XRF | |
| BA | 1045 | PPM | XRF | |
| RB | 80 | PPM | XRF | |
| SR | 613 | PPM | XRF | |
| ZR | 177 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| NB | 13.2 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 53 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| LA | 34.94 | PPM | ICPMS | |
| CE | 60.77 | PPM | ICPMS | |
| PR | 6.31 | PPM | ICPMS | |
| ND | 22.58 | PPM | ICPMS | |
| SM | 4.22 | PPM | ICPMS | |
| EU | 1.2 | PPM | ICPMS | |
| GD | 3.12 | PPM | ICPMS | |
| TB | 0.46 | PPM | ICPMS | |
| DY | 2.45 | PPM | ICPMS | |
| HO | 0.46 | PPM | ICPMS | |
| ER | 1.22 | PPM | ICPMS | |
| TM | 0.17 | PPM | ICPMS | |
| YB | 1.1 | PPM | ICPMS | |
| LU | 0.18 | PPM | ICPMS | |
| HF | 4.42 | PPM | ICPMS | |
| TA | 0.73 | PPM | ICPMS | |
| U | 2.29 | PPM | ICPMS | |
| CS | 2.86 | PPM | ICPMS |