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Sample LR89-001
NavDat sample number 46156 · ANDESITE
Sample
| Sample ID | LR89-001 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.682 |
|---|
| Longitude | -106.635 |
|---|
| Location | South Fork |
|---|
| 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 | 55.13 | | WT% | XRF |
| TIO2 | 1.1668 | | WT% | XRF |
| AL2O3 | 16.305 | | WT% | XRF |
| FE2O3 | 9.64618 | | WT% | XRF |
| MGO | 4.01337 | | WT% | XRF |
| CAO | 7.24218 | | WT% | XRF |
| NA2O | 3.54062 | | WT% | XRF |
| K2O | 2.01172 | | WT% | XRF |
| P2O5 | 0.382226 | | WT% | XRF |
| MNO | 0.150879 | | WT% | XRF |
| LOI | 0.58 | | WT% | XRF |
| TOTAL | 99.5889 | | WT% | XRF |
| ZN | 117 | | PPM | XRF |
| RB | 57.5 | | PPM | XRF |
| SR | 671 | | PPM | XRF |
| Y | 25.5 | | PPM | XRF |
| ZR | 165.5 | | PPM | XRF |
| NB | 11.5 | | PPM | XRF |
| PB | 51.5 | | PPM | XRF |
| TH | 13.5 | | PPM | XRF |
| BA | 706 | | PPM | XRF |
| LA | 26 | | PPM | XRF |
| CE | 70 | | PPM | XRF |
| ND | 28 | | PPM | XRF |
