Sample 95ID-46
NavDat sample number 38661 · DACITE
Sample
| Sample ID | 95ID-46 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, cpx, opx, bio, opaq; cryptocrystalline g.m. |
Location
| Latitude | 44.505 |
|---|---|
| Longitude | -114.133 |
| Location | Leaton Gulch |
| State / province | Idaho |
| Volcanic field | Tdf, 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 | 64.38 | WT% | XRF | |
| TIO2 | 0.73 | WT% | XRF | |
| AL2O3 | 15.49 | WT% | XRF | |
| FEOT | 4.61 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.99 | WT% | XRF | |
| CAO | 4.84 | WT% | XRF | |
| NA2O | 3.9 | WT% | XRF | |
| K2O | 2.74 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| LOI | 1.6 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 69 | PPM | XRF | |
| SC | 12 | PPM | XRF | |
| V | 102 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| CU | 8 | PPM | XRF | |
| ZN | 65 | PPM | XRF | |
| ZR | 201 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| BA | 1141 | PPM | XRF | |
| RB | 119 | PPM | XRF | |
| SR | 495 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 90 | PPM | XRF |