Sample 9-21-92-4A
NavDat sample number 92313 · TRACHYTE
Sample
| Sample ID | 9-21-92-4A |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3294 |
|---|---|
| Longitude | -103.796 |
| Location | Lead West |
| 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 | 59.7 | WT% | XRF | |
| TIO2 | 0.4 | WT% | XRF | |
| AL2O3 | 18.2 | WT% | XRF | |
| FE2O3 | 3.24 | WT% | XRF | |
| FEOT | 3.6 | WT% | XRF | |
| FEO | 0.79 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 0.6 | WT% | XRF | |
| CAO | 1.9 | WT% | XRF | |
| NA2O | 7.84 | WT% | XRF | |
| K2O | 4.8 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| CO2 | 0.27 | WT% | XRF | |
| LOI | 2.04 | WT% | XRF | |
| NB | 34 | PPM | XRF | |
| RB | 140 | PPM | XRF | |
| SR | -1500 | PPM | XRF | |
| ZR | 500 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| BA | 1000 | PPM | XRF | |
| CE | 205 | PPM | XRF | |
| LA | 136 | PPM | XRF | |
| ZN | 124 | PPM | XRF | |
| H2O_PLUS | 1.74 | WT% | UNKNOWN | |
| H2O_MINUS | 0.21 | WT% | UNKNOWN | |
| CO2 | 0.27 | WT% | UNKNOWN | |
| TH | 45 | PPM | ICPMS | |
| U | 15.7 | PPM | ICPMS | |
| LA | 160 | PPM | ICPMS | |
| CE | 250 | PPM | ICPMS | |
| PR | 25 | PPM | ICPMS | |
| ND | 84 | PPM | ICPMS | |
| SM | 15 | PPM | ICPMS | |
| EU | 4.2 | PPM | ICPMS | |
| GD | 12 | PPM | ICPMS | |
| TB | 1.3 | PPM | ICPMS | |
| DY | 6.9 | PPM | ICPMS | |
| HO | 1.3 | PPM | ICPMS | |
| ER | 3.5 | PPM | ICPMS | |
| TM | 0.55 | PPM | ICPMS | |
| YB | 3.4 | PPM | ICPMS |