Sample SV97-25
NavDat sample number 43918 · TRACHYANDESITE
Sample
| Sample ID | SV97-25 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | porphyritic to glomeroporphyritic shoshonite to latite with phenos of plag, cpx and olivine |
Location
| Latitude | 44.525 |
|---|---|
| Longitude | -109.443 |
| Location | Sunlight Volcano, Absaroka Volcanic Field |
| State / province | Wyoming |
| Volcanic field | Jim Mountain / Black Mountain Members, Wapiti Formation, Sunlight Volcano |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.4 | 49.2 | 49.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.44 | WT% | XRF | |
| AL2O3 | 16.93 | WT% | XRF | |
| FE2O3T | 9.51 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| CAO | 8.6 | WT% | XRF | |
| MGO | 5.23 | WT% | XRF | |
| K2O | 3.13 | WT% | XRF | |
| NA2O | 2.14 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| TOTAL | 99 | WT% | XRF | |
| NI | 13 | PPM | XRF | |
| CR | 57 | PPM | XRF | |
| SC | 25 | PPM | XRF | |
| V | 204 | PPM | XRF | |
| BA | 1295 | PPM | XRF | |
| RB | 39 | PPM | XRF | |
| SR | 1114 | PPM | XRF | |
| ZR | 125 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| NB | 7.3 | PPM | XRF | |
| PB | 13 | PPM | XRF | |
| TH | 7 | PPM | XRF | |
| LA | 42 | PPM | INAA | |
| CE | 77 | PPM | INAA | |
| ND | 36 | PPM | INAA | |
| SM | 5.5 | PPM | INAA | |
| EU | 1.73 | PPM | INAA | |
| TB | 0.68 | PPM | INAA | |
| YB | 1.8 | PPM | INAA | |
| LU | 0.21 | PPM | INAA | |
| SR87_SR86 | 0.704407 | TIMS | ||
| ND143_ND144 | 0.511549 | TIMS |