Sample 325
NavDat sample number 7192 · ANDESITE
Sample
| Sample ID | 325 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | bio-hbl andesite flow |
Location
| Latitude | 39.2975 |
|---|---|
| Longitude | -105.853 |
| Location | Milligan Lakes quad |
| State / province | COLORADO |
| Formation | South Park Fm |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 63.3 | 54.8 | 71.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.9 | WT% | RAPID_ROCK | |
| AL2O3 | 15.6 | WT% | RAPID_ROCK | |
| FE2O3 | 2.1 | WT% | RAPID_ROCK | |
| FEO | 3.2 | WT% | RAPID_ROCK | |
| MGO | 1.9 | WT% | RAPID_ROCK | |
| CAO | 4.6 | WT% | RAPID_ROCK | |
| NA2O | 4.1 | WT% | RAPID_ROCK | |
| K2O | 2.8 | WT% | RAPID_ROCK | |
| H2O_PLUS | 0.8 | WT% | RAPID_ROCK | |
| H2O_MINUS | 0.4 | WT% | RAPID_ROCK | |
| TIO2 | 0.59 | WT% | RAPID_ROCK | |
| P2O5 | 0.34 | WT% | RAPID_ROCK | |
| MNO | 0.14 | WT% | RAPID_ROCK | |
| CO2 | 0.01 | WT% | RAPID_ROCK | |
| F | 0.04 | WT% | RAPID_ROCK | |
| BA | 1100 | PPM | SPEC | |
| BE | 1.3 | PPM | SPEC | |
| CE | 130 | PPM | SPEC | |
| CO | 12 | PPM | SPEC | |
| CR | 57 | PPM | SPEC | |
| CU | 17 | PPM | SPEC | |
| EU | 2.2 | PPM | SPEC | |
| GA | 18 | PPM | SPEC | |
| LA | 59 | PPM | SPEC | |
| MN | 1100 | PPM | SPEC | |
| NB | 12 | PPM | SPEC | |
| NI | 20 | PPM | SPEC | |
| PB | 14 | PPM | SPEC | |
| SC | 18 | PPM | SPEC | |
| SR | 940 | PPM | SPEC | |
| V | 110 | PPM | SPEC | |
| Y | 25 | PPM | SPEC | |
| YB | 3.3 | PPM | SPEC | |
| ZN | 50 | PPM | SPEC | |
| ZR | 220 | PPM | SPEC |