Sample 81M012
NavDat sample number 18251 · DACITE
Sample
| Sample ID | 81M012 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8573 |
|---|---|
| Longitude | -122.556 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21 | 17 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.49 | WT% | ICP | |
| TIO2 | 1.3 | WT% | ICP | |
| AL2O3 | 14.4 | WT% | ICP | |
| FEOT | 7.62 | WT% | ICP | |
| MNO | 0.18 | WT% | ICP | |
| MGO | 1.55 | WT% | ICP | |
| CAO | 4.8 | WT% | ICP | |
| NA2O | 4.85 | WT% | ICP | |
| K2O | 1.39 | WT% | AAS | |
| P2O5 | 0.42 | WT% | ICP | |
| TOTAL | 98.59 | WT% | ICP | |
| BA | 593 | PPM | ICP | |
| RB | 46 | PPM | XRF | |
| SR | 297 | PPM | XRF | |
| Y | 49 | PPM | XRF | |
| ZR | 254 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| NI | -10 | PPM | XRF | |
| V | 54 | PPM | ICP | |
| CU | 17 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| ZN | 116 | PPM | XRF |