Sample 9-12-91-5
NavDat sample number 92347 · RHYOLITE
Sample
| Sample ID | 9-12-91-5 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.3852 |
|---|---|
| Longitude | -104.373 |
| Location | Sundance Mt |
| 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 | 73.2 | WT% | XRF | |
| TIO2 | 0.1 | WT% | XRF | |
| AL2O3 | 14.8 | WT% | XRF | |
| FE2O3 | 1.05 | WT% | XRF | |
| FEOT | 1.17 | WT% | XRF | |
| FEO | 0.1 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.05 | WT% | XRF | |
| CAO | 1.18 | WT% | XRF | |
| NA2O | 4.67 | WT% | XRF | |
| K2O | 4.48 | WT% | XRF | |
| P2O5 | -0.05 | WT% | XRF | |
| CO2 | 0.02 | WT% | XRF | |
| LOI | 0.4 | WT% | XRF | |
| NB | 12 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 600 | PPM | XRF | |
| ZR | 124 | PPM | XRF | |
| Y | 5 | PPM | XRF | |
| BA | 990 | PPM | XRF | |
| CE | -30 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| ZN | 45 | PPM | XRF | |
| H2O_PLUS | 0.19 | WT% | UNKNOWN | |
| H2O_MINUS | 0.1 | WT% | UNKNOWN | |
| CO2 | 0.02 | WT% | UNKNOWN | |
| TH | 5.07 | PPM | ICPMS | |
| U | 2.21 | PPM | ICPMS | |
| LA | 7.9 | PPM | ICPMS | |
| CE | 14 | PPM | ICPMS | |
| PR | 1.6 | PPM | ICPMS | |
| ND | 4.9 | PPM | ICPMS | |
| SM | 1.2 | PPM | ICPMS | |
| EU | 0.3 | PPM | ICPMS | |
| GD | 1.7 | PPM | ICPMS | |
| TB | 0.19 | PPM | ICPMS | |
| DY | 1.2 | PPM | ICPMS | |
| HO | 0.26 | PPM | ICPMS | |
| ER | 1 | PPM | ICPMS | |
| TM | 0.18 | PPM | ICPMS | |
| YB | 1 | PPM | ICPMS |