Sample DY89-20
NavDat sample number 46071 · ANDESITE
Sample
| Sample ID | DY89-20 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.606 |
|---|---|
| Longitude | -106.885 |
| Location | northwest of Table Mountain |
| State / province | COLORADO |
| Formation | La Garita Caldera Cycle, Huerto Andesite, finely porphyritic andesite flows |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.71 | 27.62 | 27.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.27 | WT% | XRF | |
| TIO2 | 0.897392 | WT% | XRF | |
| AL2O3 | 17.3429 | WT% | XRF | |
| FE2O3 | 8.3891 | WT% | XRF | |
| MGO | 2.40985 | WT% | XRF | |
| CAO | 6.73548 | WT% | XRF | |
| NA2O | 3.72065 | WT% | XRF | |
| K2O | 2.13761 | WT% | XRF | |
| P2O5 | 0.49407 | WT% | XRF | |
| MNO | 0.151246 | WT% | XRF | |
| LOI | 0.82 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| ZN | 132 | PPM | XRF | |
| RB | 39 | PPM | XRF | |
| SR | 764 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 221 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| BA | 837 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 81 | PPM | XRF | |
| ND | 38 | PPM | XRF | |
| LA | 36 | PPM | INAA | |
| CE | 70 | PPM | INAA | |
| ND | 39 | PPM | INAA | |
| SM | 6.8 | PPM | INAA | |
| EU | 2 | PPM | INAA | |
| GD | 7.2 | PPM | INAA | |
| TB | 1 | PPM | INAA | |
| HO | 1.1 | PPM | INAA | |
| TM | 0.45 | PPM | INAA | |
| YB | 3.1 | PPM | INAA |