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Sample 89L-140
NavDat sample number 45991 · DACITE
Sample
| Sample ID | 89L-140 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.564 |
|---|
| Longitude | -106.895 |
|---|
| Location | along Continental Divide, west of Sawtooth Mountain |
|---|
| State / province | COLORADO |
|---|
| Formation | Blue Creek Cycle, volcanics of Beaver Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.3 |
|
27.2 |
27.35 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.87 | | WT% | XRF |
| TIO2 | 0.318301 | | WT% | XRF |
| AL2O3 | 16.5311 | | WT% | XRF |
| FE2O3 | 2.99819 | | WT% | XRF |
| MGO | 0.605799 | | WT% | XRF |
| CAO | 3.35757 | | WT% | XRF |
| NA2O | 3.6656 | | WT% | XRF |
| K2O | 3.70667 | | WT% | XRF |
| P2O5 | 0.143749 | | WT% | XRF |
| MNO | 0.112946 | | WT% | XRF |
| LOI | 2.59 | | WT% | XRF |
| TOTAL | 99.31 | | WT% | XRF |
| ZN | 95 | | PPM | XRF |
| RB | 71 | | PPM | XRF |
| SR | 539 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| ZR | 183 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| BA | 1043 | | PPM | XRF |
| LA | 53 | | PPM | XRF |
| CE | 83 | | PPM | XRF |
| ND | 44 | | PPM | XRF |
