Sample 9-16-92-4
NavDat sample number 92280 · TRACHYTE
Sample
| Sample ID | 9-16-92-4 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.5161 |
|---|---|
| Longitude | -104.451 |
| Location | Bear Lodge |
| 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 | 57.3 | WT% | XRF | |
| TIO2 | 1 | WT% | XRF | |
| AL2O3 | 20.1 | WT% | XRF | |
| FE2O3 | 5.81 | WT% | XRF | |
| FEOT | 6.46 | WT% | XRF | |
| FEO | 0.42 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| MGO | 0.32 | WT% | XRF | |
| CAO | 0.17 | WT% | XRF | |
| NA2O | 0.78 | WT% | XRF | |
| K2O | 10.5 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 3.2 | WT% | XRF | |
| NB | 28 | PPM | XRF | |
| RB | 330 | PPM | XRF | |
| SR | 950 | PPM | XRF | |
| ZR | 375 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| BA | 890 | PPM | XRF | |
| CE | 205 | PPM | XRF | |
| LA | 102 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| ZN | 120 | PPM | XRF | |
| CR | 24 | PPM | XRF | |
| H2O_PLUS | 2.28 | WT% | UNKNOWN | |
| H2O_MINUS | 0.66 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 25.1 | PPM | ICPMS | |
| U | 6.21 | PPM | ICPMS | |
| LA | 130 | PPM | ICPMS | |
| CE | 250 | PPM | ICPMS | |
| PR | 30 | PPM | ICPMS | |
| ND | 120 | PPM | ICPMS | |
| SM | 19 | PPM | ICPMS | |
| EU | 4.5 | PPM | ICPMS | |
| GD | 9.5 | PPM | ICPMS | |
| TB | 0.94 | PPM | ICPMS | |
| DY | 4.4 | PPM | ICPMS | |
| HO | 0.66 | PPM | ICPMS | |
| ER | 1.8 | PPM | ICPMS | |
| TM | 0.26 | PPM | ICPMS | |
| YB | 1.7 | PPM | ICPMS |