Sample AMD-1-146
NavDat sample number 35532 · ANDESITE
Sample
| Sample ID | AMD-1-146 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.5636 |
|---|---|
| Longitude | -106.311 |
| Location | Chalk Creek Pass jeep trail |
| State / province | Colorado |
| Formation | MT. AETNA HBL ANDESITE DIKE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34 | 29 | 39 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.6 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.12 | WT% | XRF | |
| AL2O3 | 17.38 | WT% | AAS | |
| FE2O3 | 2.65 | WT% | AAS | |
| FEO | 4.54 | WT% | AAS | |
| MNO | 0.1 | WT% | UNKNOWN | |
| MGO | 2.92 | WT% | AAS | |
| CAO | 6.26 | WT% | XRF | |
| NA2O | 3.96 | WT% | AAS | |
| K2O | 2.94 | WT% | AAS | |
| P2O5 | 0.51 | WT% | XRF | |
| LOI | 0.62 | WT% | LOI | |
| TOTAL | 99.29 | WT% | LOI | |
| BA | 1244 | PPM | XRF | |
| BE | 4.8 | PPM | UNKNOWN | |
| CO | 23 | PPM | UNKNOWN | |
| CR | 15 | PPM | UNKNOWN | |
| CU | 12 | PPM | UNKNOWN | |
| LI | 24 | PPM | UNKNOWN | |
| NI | 14 | PPM | UNKNOWN | |
| PB | 31 | PPM | UNKNOWN | |
| RB | 65 | PPM | XRF | |
| SR | 835 | PPM | XRF | |
| TH | 9.3 | PPM | GAMMA-RAY COUNTING | |
| U | 2.3 | PPM | GAMMA-RAY COUNTING | |
| V | 142 | PPM | UNKNOWN | |
| Y | 25 | PPM | ICP | |
| ZN | 39 | PPM | UNKNOWN | |
| ZR | 235 | PPM | XRF |