Sample TMAL-1-2
NavDat sample number 35632 · ANDESITE
Sample
| Sample ID | TMAL-1-2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.6234 |
|---|---|
| Longitude | -105.589 |
| Location | Hall Gulch quad; Fremont county |
| 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 | 50.04 | WT% | UV-VIS COLORIMETRY | |
| TIO2 | 1.55 | WT% | XRF | |
| AL2O3 | 16.9 | WT% | AAS | |
| FE2O3 | 3.11 | WT% | AAS | |
| FEO | 7.49 | WT% | AAS | |
| MNO | 0.19 | WT% | UNKNOWN | |
| MGO | 5.68 | WT% | AAS | |
| CAO | 8.19 | WT% | XRF | |
| NA2O | 3.28 | WT% | AAS | |
| K2O | 2.85 | WT% | AAS | |
| P2O5 | 0.72 | WT% | XRF | |
| LOI | 2.32 | WT% | LOI | |
| TOTAL | 99.4 | WT% | LOI | |
| BA | 1660 | PPM | XRF | |
| BE | 2.3 | PPM | UNKNOWN | |
| CO | 33 | PPM | UNKNOWN | |
| CR | 41 | PPM | UNKNOWN | |
| CU | 56 | PPM | UNKNOWN | |
| LI | 11 | PPM | UNKNOWN | |
| NB | 19 | PPM | XRF | |
| NI | 22 | PPM | UNKNOWN | |
| PB | 5 | PPM | UNKNOWN | |
| RB | 59 | PPM | XRF | |
| SR | 1109 | PPM | XRF | |
| TH | 6.4 | PPM | GAMMA-RAY COUNTING | |
| U | 1.5 | PPM | GAMMA-RAY COUNTING | |
| V | 251 | PPM | UNKNOWN | |
| Y | 34 | PPM | ICP | |
| ZN | 119 | PPM | UNKNOWN | |
| ZR | 197 | PPM | XRF |