Sample 95ID-67
NavDat sample number 38632 · ANDESITE
Sample
| Sample ID | 95ID-67 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, oliv, opx; also kspar glomerocrysts; significant glass component in matrix |
Location
| Latitude | 44.175 |
|---|---|
| Longitude | -114.197 |
| Location | Road Creek |
| State / province | Idaho |
| Volcanic field | Tl of main effusive phase, 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 | 57.26 | WT% | XRF | |
| TIO2 | 0.81 | WT% | XRF | |
| AL2O3 | 13.23 | WT% | XRF | |
| FEOT | 7.06 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 8.08 | WT% | XRF | |
| CAO | 7.43 | WT% | XRF | |
| NA2O | 2.79 | WT% | XRF | |
| K2O | 2.8 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| LOI | 1.66 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 105 | PPM | XRF | |
| CR | 503 | PPM | XRF | |
| SC | 43 | PPM | XRF | |
| V | 158 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 44 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| NB | 15.8 | PPM | XRF | |
| BA | 1614 | PPM | XRF | |
| RB | 133 | PPM | XRF | |
| SR | 628 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| TH | 11 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 63 | PPM | XRF |