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Sample GP91394-1
NavDat sample number 41405 · DACITE
Sample
| Sample ID | GP91394-1 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | tuff |
|---|
Location
| Latitude | 42.2943 |
|---|
| Longitude | -122.581 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 20 |
|
18 |
22 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.36 | | WT% | XRF |
| TIO2 | 0.6 | | WT% | XRF |
| AL2O3 | 15.74 | | WT% | XRF |
| FEOT | 2.9 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.43 | | WT% | XRF |
| CAO | 3.12 | | WT% | XRF |
| NA2O | 4.16 | | WT% | XRF |
| K2O | 2.52 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| TOTAL | 99.5 | | WT% | XRF |
| LOI | 1.8 | | WT% | XRF |
| BA | 757 | | PPM | ICP |
| RB | 70 | | PPM | ICP |
| SR | 245 | | PPM | ICP |
| Y | 58 | | PPM | ICP |
| ZR | 192 | | PPM | ICP |
| NB | -10 | | PPM | ICP |
