Sample 9-25-91-3
NavDat sample number 92370 · RHYOLITE
Sample
| Sample ID | 9-25-91-3 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.2832 |
|---|---|
| Longitude | -103.78 |
| Location | Woodville Hills |
| 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 | 72.6 | WT% | XRF | |
| TIO2 | 0.08 | WT% | XRF | |
| AL2O3 | 14.7 | WT% | XRF | |
| FE2O3 | 1.62 | WT% | XRF | |
| FEOT | 1.8 | WT% | XRF | |
| FEO | 0.43 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.16 | WT% | XRF | |
| CAO | 1.19 | WT% | XRF | |
| NA2O | 3.69 | WT% | XRF | |
| K2O | 4.23 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 1.45 | WT% | XRF | |
| NB | 19 | PPM | XRF | |
| RB | 116 | PPM | XRF | |
| SR | 495 | PPM | XRF | |
| ZR | 104 | PPM | XRF | |
| Y | -10 | PPM | XRF | |
| BA | 930 | PPM | XRF | |
| CE | 55 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 85 | PPM | XRF | |
| H2O_PLUS | 0.63 | WT% | UNKNOWN | |
| H2O_MINUS | 0.64 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 13.6 | PPM | ICPMS | |
| U | 3.85 | PPM | ICPMS | |
| LA | 33 | PPM | ICPMS | |
| CE | 55 | PPM | ICPMS | |
| PR | 6.3 | PPM | ICPMS | |
| ND | 22 | PPM | ICPMS | |
| SM | 4.5 | PPM | ICPMS | |
| EU | 1.2 | PPM | ICPMS | |
| GD | 3.3 | PPM | ICPMS | |
| TB | 0.31 | PPM | ICPMS | |
| DY | 1.4 | PPM | ICPMS | |
| HO | 0.21 | PPM | ICPMS | |
| ER | 0.42 | PPM | ICPMS | |
| TM | 0.07 | PPM | ICPMS | |
| YB | 0.37 | PPM | ICPMS |