Sample BMRD-1-118
NavDat sample number 35547 · RHYOLITE
Sample
| Sample ID | BMRD-1-118 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.7769 |
|---|---|
| Longitude | -106.032 |
| Location | Bald Mountain |
| State / province | Colorado |
| Formation | BALD MOUNTAIN RHYOLITE DOME |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.96 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.06 | WT% | XRF | |
| AL2O3 | 12.59 | WT% | AAS | |
| FE2O3 | 0.77 | WT% | AAS | |
| FEO | 0 | WT% | AAS | |
| MNO | 0.1 | WT% | UNKNOWN | |
| MGO | 0.03 | WT% | AAS | |
| CAO | 0.41 | WT% | XRF | |
| NA2O | 4.46 | WT% | AAS | |
| K2O | 4.62 | WT% | AAS | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 0.34 | WT% | LOI | |
| TOTAL | 99.06 | WT% | LOI | |
| BA | 49 | PPM | XRF | |
| BE | 8.3 | PPM | UNKNOWN | |
| CO | 8 | PPM | UNKNOWN | |
| CR | 2 | PPM | UNKNOWN | |
| CU | 2 | PPM | UNKNOWN | |
| F | 820 | PPM | UNKNOWN | |
| LI | 111 | PPM | UNKNOWN | |
| NI | 4 | PPM | UNKNOWN | |
| PB | 47 | PPM | UNKNOWN | |
| RB | 350 | PPM | XRF | |
| SR | 0 | PPM | XRF | |
| TH | 35 | PPM | GAMMA-RAY COUNTING | |
| U | 5.8 | PPM | GAMMA-RAY COUNTING | |
| V | 3 | PPM | UNKNOWN | |
| Y | 23 | PPM | ICP | |
| ZN | 41 | PPM | UNKNOWN | |
| ZR | 56 | PPM | XRF |