Sample 9-11-92-7
NavDat sample number 92338 · RHYOLITE
Sample
| Sample ID | 9-11-92-7 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.4195 |
|---|---|
| Longitude | -103.757 |
| Location | Polo 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 | 73.3 | WT% | XRF | |
| TIO2 | 0.07 | WT% | XRF | |
| AL2O3 | 14.3 | WT% | XRF | |
| FE2O3 | 1.31 | WT% | XRF | |
| FEOT | 1.46 | WT% | XRF | |
| FEO | 0.2 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.05 | WT% | XRF | |
| CAO | 0.9 | WT% | XRF | |
| NA2O | 4.06 | WT% | XRF | |
| K2O | 4.58 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.76 | WT% | XRF | |
| NB | 22 | PPM | XRF | |
| RB | 120 | PPM | XRF | |
| SR | 445 | PPM | XRF | |
| ZR | 110 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| BA | 1150 | PPM | XRF | |
| CE | -30 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| H2O_PLUS | 0.57 | WT% | UNKNOWN | |
| H2O_MINUS | 0.06 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 13.2 | PPM | ICPMS | |
| U | 3.74 | PPM | ICPMS | |
| LA | 17 | PPM | ICPMS | |
| CE | 29 | PPM | ICPMS | |
| PR | 3.6 | PPM | ICPMS | |
| ND | 13 | PPM | ICPMS | |
| SM | 2.9 | PPM | ICPMS | |
| EU | 0.92 | PPM | ICPMS | |
| GD | 2.2 | PPM | ICPMS | |
| TB | 0.35 | PPM | ICPMS | |
| DY | 1.9 | PPM | ICPMS | |
| HO | 0.32 | PPM | ICPMS | |
| ER | 0.82 | PPM | ICPMS | |
| TM | 0.14 | PPM | ICPMS | |
| YB | 0.79 | PPM | ICPMS |