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Sample LR87-707-3
NavDat sample number 46148 · ANDESITE
Sample
| Sample ID | LR87-707-3 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.747 |
|---|
| Longitude | -107.026 |
|---|
| Location | W of hwy 149, N of Seepage Cr rd, southeast of Bristol Head |
|---|
| 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 | 63.5 | | WT% | XRF |
| TIO2 | 0.63919 | | WT% | XRF |
| AL2O3 | 16.4465 | | WT% | XRF |
| FE2O3 | 5.40775 | | WT% | XRF |
| MGO | 0.527585 | | WT% | XRF |
| CAO | 4.70769 | | WT% | XRF |
| NA2O | 3.99747 | | WT% | XRF |
| K2O | 3.88587 | | WT% | XRF |
| P2O5 | 0.263793 | | WT% | XRF |
| MNO | 0.081167 | | WT% | XRF |
| LOI | 1.43 | | WT% | XRF |
| TOTAL | 99.457 | | WT% | XRF |
| ZN | 72.3333 | | PPM | XRF |
| RB | 79.6667 | | PPM | XRF |
| SR | 495 | | PPM | XRF |
| Y | 24.3333 | | PPM | XRF |
| ZR | 220.333 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| PB | 32.6667 | | PPM | XRF |
| TH | 6 | | PPM | XRF |
| BA | 1222 | | PPM | XRF |
| LA | 40 | | PPM | XRF |
| CE | 76 | | PPM | XRF |
| ND | 33 | | PPM | XRF |
