Sample 95ID-68
NavDat sample number 38633 · ANDESITE
Sample
| Sample ID | 95ID-68 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of oliv, cpx, plag; glass in g.m. |
Location
| Latitude | 44.18 |
|---|---|
| Longitude | -114.2 |
| Location | Horse Basin 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 | 56.9 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 13.21 | WT% | XRF | |
| FEOT | 7.3 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 8.27 | WT% | XRF | |
| CAO | 7.21 | WT% | XRF | |
| NA2O | 2.78 | WT% | XRF | |
| K2O | 2.98 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| LOI | 1.51 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 106 | PPM | XRF | |
| CR | 493 | PPM | XRF | |
| SC | 39 | PPM | XRF | |
| V | 153 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 53 | PPM | XRF | |
| ZN | 70 | PPM | XRF | |
| BA | 1547 | PPM | ICPMS | |
| RB | 140.5 | PPM | ICPMS | |
| SR | 602 | PPM | ICPMS | |
| U | 3.17 | PPM | ICPMS | |
| PB | 16.83 | PPM | ICPMS | |
| CS | 7.1 | PPM | ICPMS | |
| TH | 10.4 | PPM | ICPMS | |
| ZR | 182 | PPM | XRF | |
| Y | 23.78 | PPM | ICPMS | |
| NB | 15.68 | PPM | XRF | |
| HF | 4.55 | PPM | ICPMS | |
| TA | 0.95 | PPM | ICPMS | |
| LA | 42.8 | PPM | ICPMS | |
| CE | 78.11 | PPM | ICPMS | |
| PR | 8.77 | PPM | ICPMS | |
| ND | 34.83 | PPM | ICPMS | |
| SM | 7.53 | PPM | ICPMS | |
| EU | 1.85 | PPM | ICPMS | |
| GD | 6.07 | PPM | ICPMS | |
| TB | 0.85 | PPM | ICPMS | |
| DY | 4.71 | PPM | ICPMS | |
| HO | 0.9 | PPM | ICPMS | |
| ER | 2.23 | PPM | ICPMS | |
| TM | 0.32 | PPM | ICPMS | |
| YB | 1.97 | PPM | ICPMS | |
| LU | 0.3 | PPM | ICPMS | |
| SR87_SR86 | 0.71021 | TIMS | ||
| ND143_ND144 | 0.51193 | TIMS |