Sample 95ID-64
NavDat sample number 38629 · ANDESITE
Sample
| Sample ID | 95ID-64 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of oliv, cpx; some glass in g.m. |
Location
| Latitude | 44.1567 |
|---|---|
| Longitude | -114.17 |
| 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 | 57.2 | WT% | XRF | |
| TIO2 | 0.8 | WT% | XRF | |
| AL2O3 | 13.29 | WT% | XRF | |
| FEOT | 7.19 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 7.91 | WT% | XRF | |
| CAO | 7.25 | WT% | XRF | |
| NA2O | 2.81 | WT% | XRF | |
| K2O | 3.01 | WT% | XRF | |
| P2O5 | 0.41 | WT% | XRF | |
| LOI | 1.53 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 104 | PPM | XRF | |
| CR | 478 | PPM | XRF | |
| SC | 23 | PPM | XRF | |
| V | 163 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| CU | 51 | PPM | XRF | |
| ZN | 72 | PPM | XRF | |
| BA | 1551 | PPM | ICPMS | |
| RB | 117.4 | PPM | ICPMS | |
| SR | 622 | PPM | ICPMS | |
| U | 3.31 | PPM | ICPMS | |
| PB | 16.86 | PPM | ICPMS | |
| CS | 6.53 | PPM | ICPMS | |
| TH | 10.52 | PPM | ICPMS | |
| ZR | 181 | PPM | XRF | |
| Y | 24.22 | PPM | ICPMS | |
| NB | 16.39 | PPM | XRF | |
| HF | 4.58 | PPM | ICPMS | |
| TA | 0.96 | PPM | ICPMS | |
| LA | 42.65 | PPM | ICPMS | |
| CE | 77 | PPM | ICPMS | |
| PR | 8.61 | PPM | ICPMS | |
| ND | 34.03 | PPM | ICPMS | |
| SM | 7.25 | PPM | ICPMS | |
| EU | 1.82 | PPM | ICPMS | |
| GD | 5.59 | PPM | ICPMS | |
| TB | 0.82 | PPM | ICPMS | |
| DY | 4.55 | PPM | ICPMS | |
| HO | 0.85 | PPM | ICPMS | |
| ER | 2.29 | PPM | ICPMS | |
| TM | 0.31 | PPM | ICPMS | |
| YB | 1.93 | PPM | ICPMS | |
| LU | 0.29 | PPM | ICPMS |