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Sample 97L-7
NavDat sample number 46054 · DACITE
Sample
| Sample ID | 97L-7 |
|---|
| Rock name | DACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.693 |
|---|
| Longitude | -107.11 |
|---|
| State / province | COLORADO |
|---|
| Formation | La Garita Caldera Cycle, Huerto Andesite, silicic dacite intrusions |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.71 |
|
27.62 |
27.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.05 | | WT% | XRF |
| TIO2 | 0.4264 | | WT% | XRF |
| AL2O3 | 16.7339 | | WT% | XRF |
| FE2O3 | 2.93314 | | WT% | XRF |
| MGO | 0.459823 | | WT% | XRF |
| CAO | 2.26468 | | WT% | XRF |
| NA2O | 4.38857 | | WT% | XRF |
| K2O | 3.98952 | | WT% | XRF |
| P2O5 | 0.189398 | | WT% | XRF |
| MNO | 0.0688721 | | WT% | XRF |
| LOI | 1.26 | | WT% | XRF |
| TOTAL | 99.502 | | WT% | XRF |
| RB | 82 | | PPM | XRF |
| SR | 426 | | PPM | XRF |
| Y | 33 | | PPM | XRF |
| ZR | 302 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| BA | 1300 | | PPM | XRF |
