Sample 95ID-38
NavDat sample number 38621 · ANDESITE
Sample
| Sample ID | 95ID-38 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, opx, oliv |
Location
| Latitude | 44.6633 |
|---|---|
| Longitude | -114.08 |
| Location | Highway 95 |
| 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 | 57.8 | WT% | XRF | |
| TIO2 | 0.98 | WT% | XRF | |
| AL2O3 | 15.92 | WT% | XRF | |
| FEOT | 6.86 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.61 | WT% | XRF | |
| CAO | 7.41 | WT% | XRF | |
| NA2O | 3.12 | WT% | XRF | |
| K2O | 2.85 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| LOI | 1.12 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 30 | PPM | XRF | |
| CR | 139 | PPM | XRF | |
| SC | 26 | PPM | XRF | |
| V | 191 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| ZR | 207 | PPM | XRF | |
| NB | 14.9 | PPM | XRF | |
| BA | 794 | PPM | XRF | |
| RB | 88 | PPM | XRF | |
| SR | 481 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| TH | 7 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| LA | 39 | PPM | XRF | |
| CE | 74 | PPM | XRF |