Sample 9-16-91-1
NavDat sample number 92287 · RHYOLITE
Sample
| Sample ID | 9-16-91-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.2529 |
|---|---|
| Longitude | -103.701 |
| Location | Brownsville |
| 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 | 73.9 | WT% | XRF | |
| TIO2 | 0.05 | WT% | XRF | |
| AL2O3 | 14.5 | WT% | XRF | |
| FE2O3 | 0.49 | WT% | XRF | |
| FEOT | 0.54 | WT% | XRF | |
| FEO | 0.19 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.05 | WT% | XRF | |
| CAO | 0.87 | WT% | XRF | |
| NA2O | 4.39 | WT% | XRF | |
| K2O | 4.54 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.67 | WT% | XRF | |
| NB | 36 | PPM | XRF | |
| RB | 235 | PPM | XRF | |
| SR | 186 | PPM | XRF | |
| ZR | 62 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| BA | 100 | PPM | XRF | |
| CE | -30 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 99 | PPM | XRF | |
| H2O_PLUS | 0.49 | WT% | UNKNOWN | |
| H2O_MINUS | 0.1 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | -3.2 | PPM | ICPMS | |
| U | 6.58 | PPM | ICPMS | |
| LA | 1.9 | PPM | ICPMS | |
| CE | 3.3 | PPM | ICPMS | |
| PR | 0.5 | PPM | ICPMS | |
| ND | 1.9 | PPM | ICPMS | |
| SM | 0.61 | PPM | ICPMS | |
| EU | 0.23 | PPM | ICPMS | |
| GD | 0.7 | PPM | ICPMS | |
| TB | 0.11 | PPM | ICPMS | |
| DY | 0.59 | PPM | ICPMS | |
| HO | 0.1 | PPM | ICPMS | |
| ER | 0.35 | PPM | ICPMS | |
| TM | 0.06 | PPM | ICPMS | |
| YB | 0.48 | PPM | ICPMS |