Sample 9-25-91-2
NavDat sample number 92369 · RHYOLITE
Sample
| Sample ID | 9-25-91-2 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.2826 |
|---|---|
| Longitude | -103.776 |
| 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 | 73.1 | WT% | XRF | |
| TIO2 | 0.09 | WT% | XRF | |
| AL2O3 | 14.8 | WT% | XRF | |
| FE2O3 | 0.65 | WT% | XRF | |
| FEOT | 0.72 | WT% | XRF | |
| FEO | 0.05 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 0.2 | WT% | XRF | |
| CAO | 1.08 | WT% | XRF | |
| NA2O | 3.49 | WT% | XRF | |
| K2O | 4.06 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 2.23 | WT% | XRF | |
| NB | 16 | PPM | XRF | |
| RB | 99 | PPM | XRF | |
| SR | 410 | PPM | XRF | |
| ZR | 112 | PPM | XRF | |
| Y | -10 | PPM | XRF | |
| BA | 900 | PPM | XRF | |
| CE | 50 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 63 | PPM | XRF | |
| H2O_PLUS | 0.89 | WT% | UNKNOWN | |
| H2O_MINUS | 0.94 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 11.9 | PPM | ICPMS | |
| U | 4.26 | PPM | ICPMS | |
| LA | 35 | PPM | ICPMS | |
| CE | 55 | PPM | ICPMS | |
| PR | 6.2 | PPM | ICPMS | |
| ND | 23 | PPM | ICPMS | |
| SM | 4.2 | PPM | ICPMS | |
| EU | 1.2 | PPM | ICPMS | |
| GD | 3.3 | PPM | ICPMS | |
| TB | 0.3 | PPM | ICPMS | |
| DY | 1.4 | PPM | ICPMS | |
| HO | 0.21 | PPM | ICPMS | |
| ER | 0.47 | PPM | ICPMS | |
| TM | 0.06 | PPM | ICPMS | |
| YB | 0.36 | PPM | ICPMS |