Sample 95ID-21
NavDat sample number 38653 · DACITE
Sample
| Sample ID | 95ID-21 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, cpx, opx, bio, amph(?); cryptocrystalline g.m. |
Location
| Latitude | 44.49 |
|---|---|
| Longitude | -114.313 |
| Location | Garden Creek |
| 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 | 64.31 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 15.31 | WT% | XRF | |
| FEOT | 4.62 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.92 | WT% | XRF | |
| CAO | 4.84 | WT% | XRF | |
| NA2O | 3.34 | WT% | XRF | |
| K2O | 3.58 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| LOI | 1 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 71 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| V | 100 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| ZR | 204 | PPM | XRF | |
| NB | 17.4 | PPM | XRF | |
| BA | 1136 | PPM | XRF | |
| RB | 109 | PPM | XRF | |
| SR | 475 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| TH | 13 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| LA | 49 | PPM | XRF | |
| CE | 87 | PPM | XRF |