Sample 95ID-22
NavDat sample number 38654 · TRACHYDACITE
Sample
| Sample ID | 95ID-22 |
|---|---|
| Rock name | TRACHYDACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, opx, cpx, opaques, amph, bio; cryptocrystalline g.m. |
Location
| Latitude | 44.4967 |
|---|---|
| Longitude | -114.297 |
| 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 | 64.84 | WT% | XRF | |
| TIO2 | 0.72 | WT% | XRF | |
| AL2O3 | 15.65 | WT% | XRF | |
| FEOT | 3.98 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.81 | WT% | XRF | |
| CAO | 4.63 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| K2O | 3.5 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| LOI | 0.76 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 67 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 97 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 31 | PPM | XRF | |
| ZN | 68 | PPM | XRF | |
| ZR | 199 | PPM | XRF | |
| NB | 17.2 | PPM | XRF | |
| BA | 1118 | PPM | XRF | |
| RB | 108 | PPM | XRF | |
| SR | 481 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 76 | PPM | XRF |