Sample 95ID-30
NavDat sample number 38617
Sample
| Sample ID | 95ID-30 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, olivine, opx, plag, opaques; significant glass component in g.m. |
Location
| Latitude | 44.575 |
|---|---|
| Longitude | -114.317 |
| Location | Challis 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 | 56.3 | WT% | XRF | |
| TIO2 | 1.06 | WT% | XRF | |
| AL2O3 | 14 | WT% | XRF | |
| FEOT | 8.38 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 5.82 | WT% | XRF | |
| CAO | 8.18 | WT% | XRF | |
| NA2O | 3.04 | WT% | XRF | |
| K2O | 2.69 | WT% | XRF | |
| P2O5 | 0.38 | WT% | XRF | |
| LOI | 2.36 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 110 | PPM | XRF | |
| SC | 28 | PPM | XRF | |
| V | 203 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| CU | 22 | PPM | XRF | |
| ZN | 80 | PPM | XRF | |
| ZR | 215 | PPM | XRF | |
| NB | 19.2 | PPM | XRF | |
| BA | 943 | PPM | XRF | |
| RB | 132 | PPM | XRF | |
| SR | 615 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 100 | PPM | XRF |