Sample 95ID-78
NavDat sample number 38643 · ANDESITE
Sample
| Sample ID | 95ID-78 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with cpx, oliv, and altered relict phenos; glassy g.m. |
Location
| Latitude | 44.2567 |
|---|---|
| Longitude | -114.198 |
| Location | Spar Canyon |
| 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 | 62.38 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 11.53 | WT% | XRF | |
| FEOT | 6.25 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 4.99 | WT% | XRF | |
| CAO | 9.02 | WT% | XRF | |
| NA2O | 3.09 | WT% | XRF | |
| K2O | 1.28 | WT% | XRF | |
| P2O5 | 0.56 | WT% | XRF | |
| LOI | 6.33 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 42 | PPM | XRF | |
| CR | 217 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| V | 142 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 55 | PPM | XRF | |
| ZN | 60 | PPM | XRF | |
| ZR | 241 | PPM | XRF | |
| NB | 22.6 | PPM | XRF | |
| BA | 1526 | PPM | XRF | |
| RB | 149 | PPM | XRF | |
| SR | 821 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 59 | PPM | XRF |