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Sample LR88-507
NavDat sample number 46154 · ANDESITE
Sample
| Sample ID | LR88-507 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.101 |
|---|
| Longitude | -106.93 |
|---|
| Location | East Los Pinos Pass |
|---|
| State / province | COLORADO |
|---|
| Formation | Conejos Formation and related early rocks |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.25 |
|
29.5 |
33 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 66.48 | | WT% | XRF |
| TIO2 | 0.593484 | | WT% | XRF |
| AL2O3 | 15.3487 | | WT% | XRF |
| FE2O3 | 4.53299 | | WT% | XRF |
| MGO | 1.83162 | | WT% | XRF |
| CAO | 3.45858 | | WT% | XRF |
| NA2O | 2.91626 | | WT% | XRF |
| K2O | 4.8809 | | WT% | XRF |
| P2O5 | 0.194417 | | WT% | XRF |
| MNO | 0.112557 | | WT% | XRF |
| LOI | 2.28 | | WT% | XRF |
| TOTAL | 100.35 | | WT% | XRF |
| ZN | 50 | | PPM | XRF |
| RB | 131 | | PPM | XRF |
| SR | 356 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 173 | | PPM | XRF |
| NB | 23 | | PPM | XRF |
| PB | 36 | | PPM | XRF |
| TH | 22 | | PPM | XRF |
| BA | 729 | | PPM | XRF |
| LA | 41 | | PPM | XRF |
| CE | 75 | | PPM | XRF |
| ND | 31 | | PPM | XRF |
