Sample 95ID-39
NavDat sample number 38622
Sample
| Sample ID | 95ID-39 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, opx, amph, k-spar; trachytic texture |
Location
| Latitude | 44.6633 |
|---|---|
| Longitude | -114.08 |
| Location | Highway 95; same locality as 95ID-39 |
| 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 | 62.66 | WT% | XRF | |
| TIO2 | 0.77 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 4.97 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 2.92 | WT% | XRF | |
| CAO | 4.76 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 3.87 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| LOI | 1.35 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 13 | PPM | XRF | |
| CR | 76 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 106 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 12 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| ZR | 262 | PPM | XRF | |
| NB | 21.5 | PPM | XRF | |
| BA | 1127 | PPM | XRF | |
| RB | 135 | PPM | XRF | |
| SR | 555 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| LA | 47 | PPM | XRF | |
| CE | 86 | PPM | XRF |