Sample 9-12-91-2
NavDat sample number 92284 · TRACHYTE
Sample
| Sample ID | 9-12-91-2 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.2798 |
|---|---|
| Longitude | -104.256 |
| 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 | 59.8 | WT% | XRF | |
| TIO2 | 0.55 | WT% | XRF | |
| AL2O3 | 18.3 | WT% | XRF | |
| FE2O3 | 4.55 | WT% | XRF | |
| FEOT | 5.06 | WT% | XRF | |
| FEO | 1.19 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 0.93 | WT% | XRF | |
| CAO | 3.76 | WT% | XRF | |
| NA2O | 5.6 | WT% | XRF | |
| K2O | 4.56 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.56 | WT% | XRF | |
| NB | 33 | PPM | XRF | |
| RB | 130 | PPM | XRF | |
| SR | -1500 | PPM | XRF | |
| ZR | 285 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| BA | 1100 | PPM | XRF | |
| CE | 170 | PPM | XRF | |
| LA | 96 | PPM | XRF | |
| ZN | 46 | PPM | XRF | |
| H2O_PLUS | 0.31 | WT% | UNKNOWN | |
| H2O_MINUS | 0.33 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 19.7 | PPM | ICPMS | |
| U | 4.95 | PPM | ICPMS | |
| LA | 110 | PPM | ICPMS | |
| CE | 190 | PPM | ICPMS | |
| PR | 21 | PPM | ICPMS | |
| ND | 75 | PPM | ICPMS | |
| SM | 13 | PPM | ICPMS | |
| EU | 3.6 | PPM | ICPMS | |
| GD | 11 | PPM | ICPMS | |
| TB | 1.2 | PPM | ICPMS | |
| DY | 6.8 | PPM | ICPMS | |
| HO | 1.1 | PPM | ICPMS | |
| ER | 2.8 | PPM | ICPMS | |
| TM | 0.39 | PPM | ICPMS | |
| YB | 2.4 | PPM | ICPMS |