Sample BPA-1-31
NavDat sample number 35549 · ANDESITE
Sample
| Sample ID | BPA-1-31 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.9889 |
|---|---|
| Longitude | -106.124 |
| Location | Marmot 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 | 58.32 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.08 | WT% | XRF | |
| AL2O3 | 16.43 | WT% | AAS | |
| FE2O3 | 2.61 | WT% | AAS | |
| FEO | 5.35 | WT% | AAS | |
| MNO | 0.13 | WT% | UNKNOWN | |
| MGO | 3.78 | WT% | AAS | |
| CAO | 6.31 | WT% | XRF | |
| NA2O | 3 | WT% | AAS | |
| K2O | 2.62 | WT% | AAS | |
| P2O5 | 0.38 | WT% | XRF | |
| LOI | 1.54 | WT% | LOI | |
| TOTAL | 100.27 | WT% | LOI | |
| BA | 1116 | PPM | XRF | |
| BE | 4.1 | PPM | UNKNOWN | |
| CO | 26 | PPM | UNKNOWN | |
| CR | 40 | PPM | UNKNOWN | |
| CU | 37 | PPM | UNKNOWN | |
| LI | 14 | PPM | UNKNOWN | |
| NI | 21 | PPM | UNKNOWN | |
| PB | 33 | PPM | UNKNOWN | |
| RB | 76 | PPM | XRF | |
| SR | 726 | PPM | XRF | |
| TH | 10 | PPM | GAMMA-RAY COUNTING | |
| U | 1.9 | PPM | GAMMA-RAY COUNTING | |
| V | 180 | PPM | UNKNOWN | |
| Y | 27 | PPM | ICP | |
| ZN | 94 | PPM | UNKNOWN | |
| ZR | 202 | PPM | XRF | |
| SR87_SR86 | 0.70805 | TIMS_ID | ||
| SR | 1757 | PPM | TIMS_ID |