Sample 95ID-72
NavDat sample number 38637
Sample
| Sample ID | 95ID-72 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, plag, oliv, opx; some secondary carbonate in g.m. |
Location
| Latitude | 44.1783 |
|---|---|
| Longitude | -114.215 |
| 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 | 57.49 | WT% | XRF | |
| TIO2 | 0.73 | WT% | XRF | |
| AL2O3 | 13.32 | WT% | XRF | |
| FEOT | 6.49 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 7.8 | WT% | XRF | |
| CAO | 7.28 | WT% | XRF | |
| NA2O | 2.83 | WT% | XRF | |
| K2O | 3.55 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| LOI | 3.08 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 141 | PPM | XRF | |
| CR | 463 | PPM | XRF | |
| SC | 27 | PPM | XRF | |
| V | 150 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 38 | PPM | XRF | |
| ZN | 68 | PPM | XRF | |
| ZR | 168 | PPM | XRF | |
| NB | 16.5 | PPM | XRF | |
| BA | 1606 | PPM | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 656 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 76 | PPM | XRF |