Sample GHA-1-44
NavDat sample number 35566 · ANDESITE
Sample
| Sample ID | GHA-1-44 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.7726 |
|---|---|
| Longitude | -105.51 |
| Location | Guffey Thirtynine Mile Road |
| State / province | Colorado |
| Formation | GUFFEY CENTER HORNBLENDE ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.72 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.91 | WT% | XRF | |
| AL2O3 | 15.92 | WT% | AAS | |
| FE2O3 | 2.44 | WT% | AAS | |
| FEO | 3.55 | WT% | AAS | |
| MNO | 0.13 | WT% | UNKNOWN | |
| MGO | 2.77 | WT% | AAS | |
| CAO | 4.19 | WT% | XRF | |
| NA2O | 3.96 | WT% | AAS | |
| K2O | 4.04 | WT% | AAS | |
| P2O5 | 0.36 | WT% | XRF | |
| LOI | 2.45 | WT% | LOI | |
| TOTAL | 100.74 | WT% | LOI | |
| BA | 1765 | PPM | XRF | |
| BE | 0.5 | PPM | UNKNOWN | |
| CO | 17 | PPM | UNKNOWN | |
| CR | 20 | PPM | UNKNOWN | |
| CU | 29 | PPM | UNKNOWN | |
| LI | 16 | PPM | UNKNOWN | |
| NI | 12 | PPM | UNKNOWN | |
| PB | 19 | PPM | UNKNOWN | |
| RB | 75 | PPM | XRF | |
| SR | 808 | PPM | XRF | |
| TH | 8.5 | PPM | GAMMA-RAY COUNTING | |
| U | 2.3 | PPM | GAMMA-RAY COUNTING | |
| V | 118 | PPM | UNKNOWN | |
| Y | 24 | PPM | ICP | |
| ZN | 114 | PPM | UNKNOWN | |
| ZR | 194 | PPM | XRF |