Sample 95ID-23
NavDat sample number 38611 · TRACHYANDESITE
Sample
| Sample ID | 95ID-23 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag and cpx; cryptocrystalline g.m. |
Location
| Latitude | 44.4967 |
|---|---|
| Longitude | -114.297 |
| Location | Garden Creek |
| State / province | Idaho |
| Volcanic field | Tdf, 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 | 55.5 | WT% | XRF | |
| TIO2 | 1.04 | WT% | XRF | |
| AL2O3 | 14.5 | WT% | XRF | |
| FEOT | 8.65 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| MGO | 5.4 | WT% | XRF | |
| CAO | 8.36 | WT% | XRF | |
| NA2O | 2.98 | WT% | XRF | |
| K2O | 3.03 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| LOI | 1.53 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 0 | PPM | XRF | |
| CR | 48 | PPM | XRF | |
| SC | 28 | PPM | XRF | |
| V | 201 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 83 | PPM | XRF | |
| ZR | 209 | PPM | XRF | |
| NB | 17.1 | PPM | XRF | |
| BA | 883 | PPM | XRF | |
| RB | 88 | PPM | XRF | |
| SR | 600 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| TH | 5 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 63 | PPM | XRF |