Sample 9M20A
NavDat sample number 33141 · DACITE
Sample
| Sample ID | 9M20A |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.4967 |
|---|---|
| Longitude | -122.205 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 29.7 | 36.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.08 | WT% | XRF | |
| TIO2 | 0.63 | WT% | XRF | |
| AL2O3 | 14.45 | WT% | XRF | |
| FEOT | 4.69 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 0.79 | WT% | XRF | |
| CAO | 2.37 | WT% | XRF | |
| NA2O | 4.65 | WT% | XRF | |
| K2O | 2.07 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| TOTAL | 100.03 | WT% | XRF | |
| LOI | 3.69 | WT% | XRF | |
| BA | 437 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| CE | 53 | PPM | XRF | |
| RB | 49 | PPM | XRF | |
| SR | 140 | PPM | XRF | |
| Y | 44 | PPM | XRF | |
| ZR | 365 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| CO | 6 | PPM | XRF | |
| CR | 2 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 4 | PPM | XRF | |
| CU | 33 | PPM | XRF | |
| PB | 13 | PPM | XRF | |
| ZN | 110 | PPM | XRF |