Sample W166554
NavDat sample number 4463 · ANDESITE
Sample
| Sample ID | W166554 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.814 |
|---|---|
| Longitude | -106.372 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.7 | 23.8 | 35.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.3 | WT% | UNKNOWN | |
| AL2O3 | 16.4 | WT% | UNKNOWN | |
| FE2O3 | 4.5 | WT% | UNKNOWN | |
| FEO | 2.7 | WT% | UNKNOWN | |
| MGO | 4.2 | WT% | UNKNOWN | |
| CAO | 7.5 | WT% | UNKNOWN | |
| NA2O | 3.8 | WT% | UNKNOWN | |
| K2O | 2.1 | WT% | UNKNOWN | |
| H2O_MINUS | 1.8 | WT% | UNKNOWN | |
| H2O | 1.2 | WT% | UNKNOWN | |
| TIO2 | 1.1 | WT% | UNKNOWN | |
| P2O5 | 0.47 | WT% | UNKNOWN | |
| MNO | 0.15 | WT% | UNKNOWN | |
| TOTAL | 99 | WT% | UNKNOWN | |
| LA | 32 | PPM | NAA | |
| CE | 78 | PPM | NAA | |
| ND | 36 | PPM | NAA | |
| SM | 6.7 | PPM | NAA | |
| EU | 1.9 | PPM | NAA | |
| GD | 5.1 | PPM | NAA | |
| TB | 0.75 | PPM | NAA | |
| DY | 5.1 | PPM | NAA | |
| YB | 1.8 | PPM | NAA | |
| LU | 0.28 | PPM | NAA | |
| BA | 1100 | PPM | XRF | |
| RB | 37 | PPM | XRF | |
| SR | 930 | PPM | XRF | |
| NI | 49 | PPM | XRF | |
| U | 1.1 | PPM | NAA | |
| TH | 3.9 | PPM | NAA |