Sample MM-1
NavDat sample number 47782 · TRACHYTE
Sample
| Sample ID | MM-1 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.8544 |
|---|---|
| Longitude | -116.803 |
| State / province | Idaho |
| Volcanic field | Potlatch volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.64 | WT% | XRF | |
| TIO2 | 0.06 | WT% | XRF | |
| AL2O3 | 18.74 | WT% | XRF | |
| FEO | 4.01 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.66 | WT% | XRF | |
| NA2O | 8.24 | WT% | XRF | |
| K2O | 5.22 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 4 | PPM | XRF | |
| BA | 87 | PPM | XRF | |
| RB | 276 | PPM | XRF | |
| SR | 32 | PPM | XRF | |
| ZR | 1819 | PPM | XRF | |
| Y | 83 | PPM | XRF | |
| NB | 327.5 | PPM | XRF | |
| GA | 45 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 209 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| LA | 198 | PPM | XRF | |
| CE | 378 | PPM | XRF | |
| TH | 41 | PPM | XRF |