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Sample LR88-672
NavDat sample number 30212 · ANDESITE
Sample
| Sample ID | LR88-672 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.7475 |
|---|
| Longitude | -107.025 |
|---|
| Location | southeast of Bristol Head |
|---|
| State / province | COLORADO |
|---|
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 | 58.81 | | WT% | XRF |
| TIO2 | 0.845347 | | WT% | XRF |
| AL2O3 | 17.0981 | | WT% | XRF |
| FE2O3 | 7.80939 | | WT% | XRF |
| MGO | 2.44547 | | WT% | XRF |
| CAO | 5.93755 | | WT% | XRF |
| NA2O | 3.58266 | | WT% | XRF |
| K2O | 2.60649 | | WT% | XRF |
| P2O5 | 0.342164 | | WT% | XRF |
| MNO | 0.130827 | | WT% | XRF |
| LOI | 0.63 | | WT% | XRF |
| TOTAL | 99.608 | | WT% | XRF |
| ZN | 115 | | PPM | XRF |
| RB | 45 | | PPM | XRF |
| SR | 588 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 193 | | PPM | XRF |
| NB | 11 | | PPM | XRF |
| PB | 30 | | PPM | XRF |
| TH | 9 | | PPM | XRF |
| BA | 944 | | PPM | XRF |
| LA | 39 | | PPM | XRF |
| CE | 64 | | PPM | XRF |
| ND | 38 | | PPM | XRF |
