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Sample LR89-010A
NavDat sample number 46014 · DACITE
Sample
| Sample ID | LR89-010A |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.598 |
|---|
| Longitude | -107.035 |
|---|
| Location | Middle Fork, same location as LR88-665 |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, Carpenter Ridge Tuff, mafic fiamme zone |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.28 | | WT% | XRF |
| TIO2 | 0.274388 | | WT% | XRF |
| AL2O3 | 18.0885 | | WT% | XRF |
| FE2O3 | 2.25843 | | WT% | XRF |
| MGO | 0.970912 | | WT% | XRF |
| CAO | 1.11866 | | WT% | XRF |
| NA2O | 2.174 | | WT% | XRF |
| K2O | 5.82547 | | WT% | XRF |
| P2O5 | 0.0527669 | | WT% | XRF |
| MNO | 0.0738737 | | WT% | XRF |
| LOI | 5.25 | | WT% | XRF |
| TOTAL | 100.117 | | WT% | XRF |
| ZN | 90 | | PPM | XRF |
| RB | 221 | | PPM | XRF |
| SR | 215 | | PPM | XRF |
| Y | 27 | | PPM | XRF |
| ZR | 378 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| PB | 30 | | PPM | XRF |
| TH | 18 | | PPM | XRF |
| BA | 2189 | | PPM | XRF |
| LA | 56 | | PPM | XRF |
| CE | 92 | | PPM | XRF |
| ND | 29 | | PPM | XRF |
