Sample SV97-23
NavDat sample number 43916 · TRACHYANDESITE
Sample
| Sample ID | SV97-23 |
|---|---|
| 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 | 51.73 | WT% | XRF | |
| AL2O3 | 16.31 | WT% | XRF | |
| FE2O3T | 9.91 | WT% | XRF | |
| TIO2 | 0.85 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| CAO | 9.13 | WT% | XRF | |
| MGO | 6.34 | WT% | XRF | |
| K2O | 2.16 | WT% | XRF | |
| NA2O | 2.99 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| TOTAL | 99.89 | WT% | XRF | |
| NI | 21 | PPM | XRF | |
| CR | 110 | PPM | XRF | |
| SC | 29 | PPM | XRF | |
| V | 229 | PPM | XRF | |
| BA | 955 | PPM | XRF | |
| RB | 57 | PPM | XRF | |
| SR | 866 | PPM | XRF | |
| ZR | 102 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 4.9 | PPM | XRF | |
| PB | 12 | PPM | XRF | |
| TH | 5 | PPM | XRF | |
| LA | 28 | PPM | INAA | |
| CE | 50.5 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 5.3 | PPM | INAA | |
| EU | 1.58 | PPM | INAA | |
| TB | 0.5 | PPM | INAA | |
| YB | 1.7 | PPM | INAA | |
| LU | 0.29 | PPM | INAA |