Sample TMAU-4-42
NavDat sample number 35643 · ANDESITE
Sample
| Sample ID | TMAU-4-42 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.8 |
|---|---|
| Longitude | -105.5 |
| State / province | Colorado |
| Formation | THIRTYNINE MILE ANDESITE LOWER |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 30 | 40 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 51.25 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.66 | WT% | XRF | |
| AL2O3 | 17.04 | WT% | AAS | |
| FE2O3 | 3.21 | WT% | AAS | |
| FEO | 7.15 | WT% | AAS | |
| MNO | 0.2 | WT% | UNKNOWN | |
| MGO | 4.42 | WT% | AAS | |
| CAO | 7.01 | WT% | XRF | |
| NA2O | 3.88 | WT% | AAS | |
| K2O | 3.14 | WT% | AAS | |
| P2O5 | 1.05 | WT% | XRF | |
| LOI | 2.49 | WT% | LOI | |
| TOTAL | 99.71 | WT% | LOI | |
| BA | 1833 | PPM | XRF | |
| BE | 8.2 | PPM | UNKNOWN | |
| CO | 30 | PPM | UNKNOWN | |
| CR | 12 | PPM | UNKNOWN | |
| CU | 39 | PPM | UNKNOWN | |
| LI | 17 | PPM | UNKNOWN | |
| NB | 54 | PPM | XRF | |
| NI | 13 | PPM | UNKNOWN | |
| PB | 47 | PPM | UNKNOWN | |
| RB | 50 | PPM | XRF | |
| SR | 1184 | PPM | XRF | |
| TH | 15 | PPM | GAMMA-RAY COUNTING | |
| U | 3 | PPM | GAMMA-RAY COUNTING | |
| V | 195 | PPM | UNKNOWN | |
| Y | 42 | PPM | ICP | |
| ZN | 130 | PPM | UNKNOWN | |
| ZR | 353 | PPM | XRF |