Sample 95ID-15
NavDat sample number 38651 · DACITE
Sample
| Sample ID | 95ID-15 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, cpx, opx, bio; cryptocrystalline g.m. |
Location
| Latitude | 44.5083 |
|---|---|
| Longitude | -114.128 |
| 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 | 63.95 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 15.75 | WT% | XRF | |
| FEOT | 4.65 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 3.15 | WT% | XRF | |
| CAO | 5.04 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 2.68 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| LOI | 2.23 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 14 | PPM | XRF | |
| CR | 68 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 105 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 65 | PPM | XRF | |
| ZR | 206 | PPM | XRF | |
| NB | 19.5 | PPM | XRF | |
| BA | 1127 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 506 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 85 | PPM | XRF |