Sample HG-21
NavDat sample number 31284 · DACITE
Sample
| Sample ID | HG-21 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.4711 |
|---|---|
| Longitude | -120.539 |
| State / province | Oregon |
| Formation | Clarno Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45.6 | 37.4 | 53.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.71 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| AL2O3 | 15.52 | WT% | SRC AND AAS | |
| FEO | 5.15 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.35 | WT% | SRC AND AAS | |
| CAO | 4.22 | WT% | XRF | |
| NA2O | 4.15 | WT% | SRC AND AAS | |
| K2O | 1.66 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| TOTAL | 98.97 | WT% | XRF | |
| RB | 102 | PPM | XRF | |
| SR | 295 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 259 | PPM | XRF | |
| BA | 681 | PPM | XRF | |
| V | 79 | PPM | XRF | |
| CR | 48 | PPM | XRF | |
| NI | 6 | PPM | XRF |