Sample 9-12-91-4
NavDat sample number 92346 · RHYOLITE
Sample
| Sample ID | 9-12-91-4 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.3888 |
|---|---|
| Longitude | -104.376 |
| Location | Sundance Mt |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 52 | 46 | 58 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73 | WT% | XRF | |
| TIO2 | 0.1 | WT% | XRF | |
| AL2O3 | 14.3 | WT% | XRF | |
| FE2O3 | 1.06 | WT% | XRF | |
| FEOT | 1.18 | WT% | XRF | |
| FEO | 0.05 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.11 | WT% | XRF | |
| CAO | 1.06 | WT% | XRF | |
| NA2O | 4.28 | WT% | XRF | |
| K2O | 4.51 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.89 | WT% | XRF | |
| NB | 20 | PPM | XRF | |
| RB | 110 | PPM | XRF | |
| SR | 550 | PPM | XRF | |
| ZR | 130 | PPM | XRF | |
| Y | 5 | PPM | XRF | |
| BA | 930 | PPM | XRF | |
| CE | -30 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 47 | PPM | XRF | |
| H2O_PLUS | 0.54 | WT% | UNKNOWN | |
| H2O_MINUS | 0.27 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 4.3 | PPM | ICPMS | |
| U | 3.5 | PPM | ICPMS |