Sample 6Y260
NavDat sample number 3142 · RHYODACITE
Sample
| Sample ID | 6Y260 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic with phenocrysts of plagioclase, biotite, and hornblende |
Location
| Latitude | 44.8548 |
|---|---|
| Longitude | -110.85 |
| Location | Indian Creek |
| State / province | Wyoming |
| Volcanic field | Indian Creek laccolith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 44 | 34 | 55 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.5 | WT% | RAPID_ROCK | |
| AL2O3 | 16.5 | WT% | RAPID_ROCK | |
| FE2O3 | 2.7 | WT% | RAPID_ROCK | |
| FEO | 1.9 | WT% | RAPID_ROCK | |
| MGO | 1.5 | WT% | RAPID_ROCK | |
| CAO | 4.1 | WT% | RAPID_ROCK | |
| NA2O | 4 | WT% | RAPID_ROCK | |
| K2O | 2.5 | WT% | RAPID_ROCK | |
| H2O_MINUS | 0.4 | WT% | RAPID_ROCK | |
| H2O_PLUS | 2.3 | WT% | RAPID_ROCK | |
| TIO2 | 0.47 | WT% | RAPID_ROCK | |
| P2O5 | 0.08 | WT% | RAPID_ROCK | |
| MNO | 0.08 | WT% | RAPID_ROCK | |
| CO2 | 0.12 | WT% | RAPID_ROCK | |
| TOTAL | 99 | WT% | RAPID_ROCK | |
| AG | -1 | PPM | SPEC | |
| BA | 1000 | PPM | SPEC | |
| BE | 1 | PPM | SPEC | |
| CE | 200 | PPM | SPEC | |
| CO | 10 | PPM | SPEC | |
| CR | 20 | PPM | SPEC | |
| CU | 2 | PPM | SPEC | |
| GA | 10 | PPM | SPEC | |
| LA | 100 | PPM | SPEC | |
| MO | 3 | PPM | SPEC | |
| NB | 0 | PPM | SPEC | |
| NI | -30 | PPM | SPEC | |
| PB | 5 | PPM | SPEC | |
| SC | 5 | PPM | SPEC | |
| SR | 700 | PPM | SPEC | |
| V | 50 | PPM | SPEC | |
| Y | 15 | PPM | SPEC | |
| YB | 1 | PPM | SPEC | |
| ZR | 100 | PPM | SPEC |