Sample HA 4
NavDat sample number 42944 · ANDESITE
Sample
| Sample ID | HA 4 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | hornblende andesite |
Location
| Latitude | 37.48 |
|---|---|
| Longitude | -107.056 |
| Location | Fourmile Lake |
| State / province | COLORADO |
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 | 61.48 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 16.86 | WT% | XRF | |
| FE2O3 | 5.57 | WT% | XRF | |
| MGO | 1.75 | WT% | XRF | |
| CAO | 4.84 | WT% | XRF | |
| NA2O | 3.85 | WT% | XRF | |
| K2O | 2.76 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 98.23 | WT% | XRF | |
| ZN | 80 | PPM | XRF | |
| RB | 54 | PPM | XRF | |
| SR | 770 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 137 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | -2 | PPM | XRF | |
| BA | 800 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 54 | PPM | XRF | |
| ND | 24 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| V | 72 | PPM | XRF | |
| CR | 11 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| HF | 5 | PPM | INAA |