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Sample 33.1
NavDat sample number 5943 · DACITE
Sample
| Sample ID | 33.1 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | tuff |
|---|
Location
| Latitude | 44.221 |
|---|
| Longitude | -122.341 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12 |
|
7 |
17 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.75 | | WT% | COL |
| TIO2 | 0.86 | | WT% | XRF |
| AL2O3 | 15.87 | | WT% | XRF |
| FEOT | 4.04 | | WT% | XRF |
| MGO | 0.91 | | WT% | AAS |
| CAO | 0.51 | | WT% | XRF |
| NA2O | 5.05 | | WT% | AAS |
| K2O | 1.01 | | WT% | XRF |
| TOTAL | 98.95 | | WT% | XRF |
| AG | -1 | | PPM | XRF |
| CU | 11 | | PPM | XRF |
| MO | -1 | | PPM | XRF |
| PB | 5 | | PPM | XRF |
| ZN | 55 | | PPM | XRF |
