Sample 9-18-91-10
NavDat sample number 92345 · TRACHYTE
Sample
| Sample ID | 9-18-91-10 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3246 |
|---|---|
| Longitude | -103.798 |
| Location | Sugarloaf |
| 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 | 63.1 | WT% | XRF | |
| TIO2 | 0.39 | WT% | XRF | |
| AL2O3 | 17.3 | WT% | XRF | |
| FE2O3 | 3.08 | WT% | XRF | |
| FEOT | 3.42 | WT% | XRF | |
| FEO | 0.75 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 0.57 | WT% | XRF | |
| CAO | 1.73 | WT% | XRF | |
| NA2O | 7.41 | WT% | XRF | |
| K2O | 4.46 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| CO2 | 0.18 | WT% | XRF | |
| LOI | 0.99 | WT% | XRF | |
| NB | 42 | PPM | XRF | |
| RB | 130 | PPM | XRF | |
| SR | 1500 | PPM | XRF | |
| ZR | 495 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| BA | 860 | PPM | XRF | |
| CE | 188 | PPM | XRF | |
| LA | 116 | PPM | XRF | |
| ZN | 106 | PPM | XRF | |
| H2O_PLUS | 0.61 | WT% | UNKNOWN | |
| H2O_MINUS | 0.19 | WT% | UNKNOWN | |
| CO2 | 0.18 | WT% | UNKNOWN | |
| TH | 51.4 | PPM | ICPMS | |
| U | 20.2 | PPM | ICPMS | |
| LA | 140 | PPM | ICPMS | |
| CE | 210 | PPM | ICPMS | |
| PR | 21 | PPM | ICPMS | |
| ND | 68 | PPM | ICPMS | |
| SM | 11 | PPM | ICPMS | |
| EU | 2.9 | PPM | ICPMS | |
| GD | 8.4 | PPM | ICPMS | |
| TB | 0.87 | PPM | ICPMS | |
| DY | 4.8 | PPM | ICPMS | |
| HO | 0.8 | PPM | ICPMS | |
| ER | 2.5 | PPM | ICPMS | |
| TM | 0.38 | PPM | ICPMS | |
| YB | 2.7 | PPM | ICPMS |