Sample 9-15-91-2
NavDat sample number 92276 · TRACHYTE
Sample
| Sample ID | 9-15-91-2 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.4552 |
|---|---|
| Longitude | -104.434 |
| 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 | 59.9 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 16.9 | WT% | XRF | |
| FE2O3 | 5.15 | WT% | XRF | |
| FEOT | 5.72 | WT% | XRF | |
| FEO | 0.77 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 1.02 | WT% | XRF | |
| CAO | 3.5 | WT% | XRF | |
| NA2O | 4.82 | WT% | XRF | |
| K2O | 4.98 | WT% | XRF | |
| P2O5 | 0.28 | WT% | XRF | |
| CO2 | 0.39 | WT% | XRF | |
| LOI | 1.66 | WT% | XRF | |
| NB | 15 | PPM | XRF | |
| RB | 144 | PPM | XRF | |
| SR | 1400 | PPM | XRF | |
| ZR | 325 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| BA | 650 | PPM | XRF | |
| CE | 120 | PPM | XRF | |
| LA | 74 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| ZN | 64 | PPM | XRF | |
| H2O_PLUS | 0.54 | WT% | UNKNOWN | |
| H2O_MINUS | 0.52 | WT% | UNKNOWN | |
| CO2 | 0.39 | WT% | UNKNOWN | |
| TH | 21 | PPM | ICPMS | |
| U | 6.02 | PPM | ICPMS | |
| LA | 91 | PPM | ICPMS | |
| CE | 140 | PPM | ICPMS | |
| PR | 17 | PPM | ICPMS | |
| ND | 65 | PPM | ICPMS | |
| SM | 12 | PPM | ICPMS | |
| EU | 3.4 | PPM | ICPMS | |
| GD | 11 | PPM | ICPMS | |
| TB | 1.2 | PPM | ICPMS | |
| DY | 5.8 | PPM | ICPMS | |
| HO | 0.95 | PPM | ICPMS | |
| ER | 2.6 | PPM | ICPMS | |
| TM | 0.36 | PPM | ICPMS | |
| YB | 2.3 | PPM | ICPMS |