Sample 95ID-89
NavDat sample number 38665 · DACITE
Sample
| Sample ID | 95ID-89 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, amph, bio, cpx, opaques; cryptocrystalline g.m. |
Location
| Latitude | 44.7833 |
|---|---|
| Longitude | -114.542 |
| Location | Highway 75 |
| 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 | 66.53 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| AL2O3 | 14.41 | WT% | XRF | |
| FEOT | 4 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.48 | WT% | XRF | |
| CAO | 4.2 | WT% | XRF | |
| NA2O | 3.44 | WT% | XRF | |
| K2O | 3.96 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| LOI | 0.86 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 34 | PPM | XRF | |
| CR | 150 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| V | 90 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 23 | PPM | XRF | |
| ZN | 67 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| BA | 1578 | PPM | XRF | |
| RB | 130 | PPM | XRF | |
| SR | 566 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| TH | 21 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| SR87_SR86 | 0.70974 | TIMS | ||
| LA | 65 | PPM | XRF | |
| CE | 70 | PPM | XRF |