Sample 9-12-91-3
NavDat sample number 92285 · TRACHYTE
Sample
| Sample ID | 9-12-91-3 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.294 |
|---|---|
| Longitude | -104.253 |
| Location | Black Buttes |
| 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 | 60.6 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| AL2O3 | 19.2 | WT% | XRF | |
| FE2O3 | 2.2 | WT% | XRF | |
| FEOT | 2.44 | WT% | XRF | |
| FEO | 0.36 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 0.19 | WT% | XRF | |
| CAO | 1.43 | WT% | XRF | |
| NA2O | 6.64 | WT% | XRF | |
| K2O | 5.63 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| CO2 | 0.35 | WT% | XRF | |
| LOI | 2.83 | WT% | XRF | |
| NB | 45 | PPM | XRF | |
| RB | 198 | PPM | XRF | |
| SR | 780 | PPM | XRF | |
| ZR | 500 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| BA | 360 | PPM | XRF | |
| CE | 152 | PPM | XRF | |
| LA | 93 | PPM | XRF | |
| ZN | 100 | PPM | XRF | |
| H2O_PLUS | 1.78 | WT% | UNKNOWN | |
| H2O_MINUS | 0.54 | WT% | UNKNOWN | |
| CO2 | 0.35 | WT% | UNKNOWN | |
| TH | 38.7 | PPM | ICPMS | |
| U | 8.66 | PPM | ICPMS | |
| LA | 100 | PPM | ICPMS | |
| CE | 160 | PPM | ICPMS | |
| PR | 16 | PPM | ICPMS | |
| ND | 49 | PPM | ICPMS | |
| SM | 7.3 | PPM | ICPMS | |
| EU | 2 | PPM | ICPMS | |
| GD | 6 | PPM | ICPMS | |
| TB | 0.68 | PPM | ICPMS | |
| DY | 4.2 | PPM | ICPMS | |
| HO | 0.81 | PPM | ICPMS | |
| ER | 3 | PPM | ICPMS | |
| TM | 0.49 | PPM | ICPMS | |
| YB | 3.3 | PPM | ICPMS |