Sample 95ID-90
NavDat sample number 38672 · TRACHYANDESITE
Sample
| Sample ID | 95ID-90 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, bio (altered relicts); cryptocrystalline g.m. with secondary carbonate |
Location
| Latitude | 44.7783 |
|---|---|
| Longitude | -114.567 |
| Location | Baker Creek |
| State / province | Idaho |
| Volcanic field | Tca, Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49 | 48 | 50 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.34 | WT% | XRF | |
| TIO2 | 0.72 | WT% | XRF | |
| AL2O3 | 14.79 | WT% | XRF | |
| FEOT | 5.61 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 3.86 | WT% | XRF | |
| CAO | 6.57 | WT% | XRF | |
| NA2O | 2.65 | WT% | XRF | |
| K2O | 4.84 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| LOI | 5.59 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 50 | PPM | XRF | |
| CR | 292 | PPM | XRF | |
| SC | 10 | PPM | XRF | |
| V | 120 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| CU | 50 | PPM | XRF | |
| ZN | 74 | PPM | XRF | |
| ZR | 217 | PPM | XRF | |
| NB | 18.7 | PPM | XRF | |
| BA | 1297 | PPM | XRF | |
| RB | 145 | PPM | XRF | |
| SR | 665 | PPM | XRF | |
| PB | 21 | PPM | XRF | |
| TH | 21 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| LA | 82 | PPM | XRF | |
| CE | 109 | PPM | XRF |