Sample BPA-2-109
NavDat sample number 35550 · ANDESITE
Sample
| Sample ID | BPA-2-109 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.9941 |
|---|---|
| Longitude | -106.102 |
| Location | East Buffalo Peak |
| State / province | Colorado |
| Formation | BUFFALO PEAKS ANDESITE |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34 | 29 | 39 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.59 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.1 | WT% | XRF | |
| AL2O3 | 16.48 | WT% | AAS | |
| FE2O3 | 2.61 | WT% | AAS | |
| FEO | 5.51 | WT% | AAS | |
| MNO | 0.12 | WT% | UNKNOWN | |
| MGO | 3.25 | WT% | AAS | |
| CAO | 6.62 | WT% | XRF | |
| NA2O | 2.94 | WT% | AAS | |
| K2O | 2.44 | WT% | AAS | |
| P2O5 | 0.34 | WT% | XRF | |
| LOI | 1.48 | WT% | LOI | |
| TOTAL | 101.3 | WT% | LOI | |
| BA | 1098 | PPM | XRF | |
| BE | 5.2 | PPM | UNKNOWN | |
| CO | 28 | PPM | UNKNOWN | |
| CR | 44 | PPM | UNKNOWN | |
| CU | 40 | PPM | UNKNOWN | |
| LI | 14 | PPM | UNKNOWN | |
| NB | 26 | PPM | XRF | |
| NI | 23 | PPM | UNKNOWN | |
| PB | 36 | PPM | UNKNOWN | |
| RB | 66 | PPM | XRF | |
| SR | 743 | PPM | XRF | |
| TH | 10 | PPM | GAMMA-RAY COUNTING | |
| U | 1.9 | PPM | GAMMA-RAY COUNTING | |
| V | 187 | PPM | UNKNOWN | |
| Y | 29 | PPM | ICP | |
| ZN | 98 | PPM | UNKNOWN | |
| ZR | 204 | PPM | XRF |