Sample 9-15-91-1
NavDat sample number 92275 · TRACHYTE
Sample
| Sample ID | 9-15-91-1 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.4573 |
|---|---|
| Longitude | -104.426 |
| 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 | 60.7 | WT% | XRF | |
| TIO2 | 0.53 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FE2O3 | 4.43 | WT% | XRF | |
| FEOT | 4.92 | WT% | XRF | |
| FEO | 1.08 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 1.19 | WT% | XRF | |
| CAO | 4.14 | WT% | XRF | |
| NA2O | 4.71 | WT% | XRF | |
| K2O | 3.62 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| CO2 | 1.52 | WT% | XRF | |
| LOI | 2.71 | WT% | XRF | |
| NB | 10 | PPM | XRF | |
| RB | 100 | PPM | XRF | |
| SR | 1300 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| Y | 10 | PPM | XRF | |
| BA | 640 | PPM | XRF | |
| CE | 99 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| NI | 10 | PPM | XRF | |
| ZN | 55 | PPM | XRF | |
| CR | 26 | PPM | XRF | |
| H2O_PLUS | 0.63 | WT% | UNKNOWN | |
| H2O_MINUS | 0.37 | WT% | UNKNOWN | |
| CO2 | 1.52 | WT% | UNKNOWN | |
| TH | 14.9 | PPM | ICPMS | |
| U | 4.6 | PPM | ICPMS | |
| LA | 57 | PPM | ICPMS | |
| CE | 95 | PPM | ICPMS | |
| PR | 11 | PPM | ICPMS | |
| ND | 36 | PPM | ICPMS | |
| SM | 6.9 | PPM | ICPMS | |
| EU | 2.3 | PPM | ICPMS | |
| GD | 6.4 | PPM | ICPMS | |
| TB | 0.8 | PPM | ICPMS | |
| DY | 4 | PPM | ICPMS | |
| HO | 0.54 | PPM | ICPMS | |
| ER | 1.9 | PPM | ICPMS | |
| TM | 0.25 | PPM | ICPMS | |
| YB | 1.8 | PPM | ICPMS |