Sample 95ID-13
NavDat sample number 38608 · TRACHYANDESITE
Sample
| Sample ID | 95ID-13 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained, aphyric |
Location
| Latitude | 44.525 |
|---|---|
| Longitude | -114.108 |
| Location | Leaton Gulch |
| 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 | 58.18 | WT% | XRF | |
| TIO2 | 1.01 | WT% | XRF | |
| AL2O3 | 16.29 | WT% | XRF | |
| FEOT | 6.71 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 3.97 | WT% | XRF | |
| CAO | 6.55 | WT% | XRF | |
| NA2O | 3.31 | WT% | XRF | |
| K2O | 3.48 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| LOI | 1.13 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 30 | PPM | XRF | |
| SC | 21 | PPM | XRF | |
| V | 165 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 71 | PPM | XRF | |
| BA | 945 | PPM | ICPMS | |
| RB | 104.7 | PPM | ICPMS | |
| SR | 575 | PPM | ICPMS | |
| U | 2.24 | PPM | ICPMS | |
| PB | 11.34 | PPM | ICPMS | |
| CS | 1.27 | PPM | ICPMS | |
| TH | 8.18 | PPM | ICPMS | |
| ZR | 239 | PPM | XRF | |
| Y | 30.55 | PPM | ICPMS | |
| NB | 19.66 | PPM | XRF | |
| HF | 6.27 | PPM | ICPMS | |
| TA | 1.17 | PPM | ICPMS | |
| LA | 43.59 | PPM | ICPMS | |
| CE | 80.61 | PPM | ICPMS | |
| PR | 9.14 | PPM | ICPMS | |
| ND | 36.53 | PPM | ICPMS | |
| SM | 7.74 | PPM | ICPMS | |
| EU | 1.9 | PPM | ICPMS | |
| GD | 6.12 | PPM | ICPMS | |
| TB | 1 | PPM | ICPMS | |
| DY | 5.8 | PPM | ICPMS | |
| HO | 1.16 | PPM | ICPMS | |
| ER | 3.21 | PPM | ICPMS | |
| TM | 0.43 | PPM | ICPMS | |
| YB | 2.72 | PPM | ICPMS | |
| LU | 0.43 | PPM | ICPMS |