Sample BMR-2-134
NavDat sample number 35546 · RHYODACITE
Sample
| Sample ID | BMR-2-134 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.0934 |
|---|---|
| Longitude | -105.329 |
| Location | Bald Mountain |
| State / province | Colorado |
| Formation | RHYODACITE OF BALD MOUNTAIN |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 25 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.48 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 0.67 | WT% | XRF | |
| AL2O3 | 17.17 | WT% | AAS | |
| FE2O3 | 2.21 | WT% | AAS | |
| FEO | 0.79 | WT% | AAS | |
| MNO | 0.01 | WT% | UNKNOWN | |
| MGO | 0.49 | WT% | AAS | |
| CAO | 2.02 | WT% | XRF | |
| NA2O | 3.95 | WT% | AAS | |
| K2O | 3.93 | WT% | AAS | |
| P2O5 | 0.29 | WT% | XRF | |
| LOI | 3.42 | WT% | LOI | |
| TOTAL | 100.75 | WT% | LOI | |
| BA | 1663 | PPM | XRF | |
| BE | 1.8 | PPM | UNKNOWN | |
| CO | 13 | PPM | UNKNOWN | |
| CR | 40 | PPM | UNKNOWN | |
| CU | 12 | PPM | UNKNOWN | |
| LI | 15 | PPM | UNKNOWN | |
| NI | 13 | PPM | UNKNOWN | |
| PB | 42 | PPM | UNKNOWN | |
| RB | 63 | PPM | XRF | |
| SR | 671 | PPM | XRF | |
| TH | 8.1 | PPM | GAMMA-RAY COUNTING | |
| U | 1.9 | PPM | GAMMA-RAY COUNTING | |
| V | 71 | PPM | UNKNOWN | |
| Y | 13 | PPM | ICP | |
| ZN | 136 | PPM | UNKNOWN | |
| ZR | 169 | PPM | XRF |