Sample 95ID-69
NavDat sample number 38634
Sample
| Sample ID | 95ID-69 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, oliv, and opx; glass in g.m. |
Location
| Latitude | 44.18 |
|---|---|
| Longitude | -114.2 |
| Location | Horse Basin Creek; same locality as 95ID-68 |
| 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 | 56.92 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 13.15 | WT% | XRF | |
| FEOT | 7.54 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 8.03 | WT% | XRF | |
| CAO | 7.26 | WT% | XRF | |
| NA2O | 2.73 | WT% | XRF | |
| K2O | 3.02 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| LOI | 1.74 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 102 | PPM | XRF | |
| CR | 478 | PPM | XRF | |
| SC | 44 | PPM | XRF | |
| V | 165 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 47 | PPM | XRF | |
| ZN | 70 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| NB | 17.5 | PPM | XRF | |
| BA | 1543 | PPM | XRF | |
| RB | 136 | PPM | XRF | |
| SR | 600 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 57 | PPM | XRF |