Sample 9-16-91-2
NavDat sample number 92291 · RHYOLITE
Sample
| Sample ID | 9-16-91-2 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.2438 |
|---|---|
| Longitude | -103.736 |
| Location | Custer Peak |
| 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 | 74 | WT% | XRF | |
| TIO2 | 0.07 | WT% | XRF | |
| AL2O3 | 14.2 | WT% | XRF | |
| FE2O3 | 1.19 | WT% | XRF | |
| FEOT | 1.32 | WT% | XRF | |
| FEO | 0.31 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.05 | WT% | XRF | |
| CAO | 1.04 | WT% | XRF | |
| NA2O | 3.9 | WT% | XRF | |
| K2O | 4.46 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.61 | WT% | XRF | |
| NB | 18 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 415 | PPM | XRF | |
| ZR | 96 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| BA | 950 | PPM | XRF | |
| CE | 37 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 58 | PPM | XRF | |
| H2O_PLUS | 0.47 | WT% | UNKNOWN | |
| H2O_MINUS | 0.22 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 10.4 | PPM | ICPMS | |
| U | 4.28 | PPM | ICPMS | |
| LA | 21 | PPM | ICPMS | |
| CE | 34 | PPM | ICPMS | |
| PR | 4.1 | PPM | ICPMS | |
| ND | 15 | PPM | ICPMS | |
| SM | 3.3 | PPM | ICPMS | |
| EU | 0.8 | PPM | ICPMS | |
| GD | 2.8 | PPM | ICPMS | |
| TB | 0.35 | PPM | ICPMS | |
| DY | 1.9 | PPM | ICPMS | |
| HO | 0.28 | PPM | ICPMS | |
| ER | 0.75 | PPM | ICPMS | |
| TM | 0.11 | PPM | ICPMS | |
| YB | 0.74 | PPM | ICPMS |