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Sample LR88-673
NavDat sample number 30195 · ANDESITE
Sample
| Sample ID | LR88-673 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.7483 |
|---|
| Longitude | -107.024 |
|---|
| 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 | 59.74 | | WT% | XRF |
| TIO2 | 0.736445 | | WT% | XRF |
| AL2O3 | 17.3014 | | WT% | XRF |
| FE2O3 | 7.1526 | | WT% | XRF |
| MGO | 1.76545 | | WT% | XRF |
| CAO | 5.95209 | | WT% | XRF |
| NA2O | 3.78311 | | WT% | XRF |
| K2O | 2.49181 | | WT% | XRF |
| P2O5 | 0.373267 | | WT% | XRF |
| MNO | 0.110971 | | WT% | XRF |
| LOI | 0.87 | | WT% | XRF |
| TOTAL | 99.4072 | | WT% | XRF |
| ZN | 108 | | PPM | XRF |
| RB | 38 | | PPM | XRF |
| SR | 670 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 181 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| PB | 47 | | PPM | XRF |
| TH | 18 | | PPM | XRF |
| BA | 967 | | PPM | XRF |
| LA | 34 | | PPM | XRF |
| CE | 67 | | PPM | XRF |
| ND | 25 | | PPM | XRF |
