Sample 95ID-65
NavDat sample number 38630 · ANDESITE
Sample
| Sample ID | 95ID-65 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, oliv, plag, opx; significant glass component in g.m. |
Location
| Latitude | 44.1617 |
|---|---|
| Longitude | -114.18 |
| 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 | 59.42 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| AL2O3 | 13.96 | WT% | XRF | |
| FEOT | 6.02 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 6.76 | WT% | XRF | |
| CAO | 6.76 | WT% | XRF | |
| NA2O | 3.19 | WT% | XRF | |
| K2O | 2.65 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| LOI | 2.06 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 105 | PPM | XRF | |
| CR | 390 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 152 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 42 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| ZR | 174 | PPM | XRF | |
| NB | 17.6 | PPM | XRF | |
| BA | 1671 | PPM | XRF | |
| RB | 95 | PPM | XRF | |
| SR | 687 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 77 | PPM | XRF |