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Sample LR88-561
NavDat sample number 46150 · ANDESITE
Sample
| Sample ID | LR88-561 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.821 |
|---|
| Longitude | -107.117 |
|---|
| Location | Santa Maria Reservoir area |
|---|
| 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 | 58.9 | | WT% | XRF |
| TIO2 | 1.01377 | | WT% | XRF |
| AL2O3 | 15.6121 | | WT% | XRF |
| FE2O3 | 8.08988 | | WT% | XRF |
| MGO | 2.38236 | | WT% | XRF |
| CAO | 5.73794 | | WT% | XRF |
| NA2O | 3.26434 | | WT% | XRF |
| K2O | 3.78136 | | WT% | XRF |
| P2O5 | 0.496747 | | WT% | XRF |
| MNO | 0.111515 | | WT% | XRF |
| LOI | 1.35 | | WT% | XRF |
| TOTAL | 99.39 | | WT% | XRF |
| ZN | 118 | | PPM | XRF |
| RB | 140 | | PPM | XRF |
| SR | 531 | | PPM | XRF |
| Y | 37 | | PPM | XRF |
| ZR | 337 | | PPM | XRF |
| NB | 22 | | PPM | XRF |
| PB | 36 | | PPM | XRF |
| TH | 9 | | PPM | XRF |
| BA | 975 | | PPM | XRF |
| LA | 58 | | PPM | XRF |
| CE | 121 | | PPM | XRF |
| ND | 51 | | PPM | XRF |
