← Search
Sample 56
NavDat sample number 9323 · PYROCLASTIC-FALL
Sample
| Sample ID | 56 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.9439 |
|---|
| Longitude | -121.594 |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 25 |
|
22.5 |
27.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.79 | | WT% | AAS |
| TIO2 | 0.44 | | WT% | AAS |
| AL2O3 | 14.14 | | WT% | AAS |
| FEOT | 3.26 | | WT% | AAS |
| MNO | 0.04 | | WT% | AAS |
| MGO | 0.77 | | WT% | AAS |
| CAO | 1.82 | | WT% | AAS |
| NA2O | 4.09 | | WT% | AAS |
| K2O | 3.58 | | WT% | AAS |
| P2O5 | 0.09 | | WT% | AAS |
| TOTAL | 99.27 | | WT% | AAS |
| LOI | 1.22 | | WT% | AAS |
| BA | 884 | | PPM | AAS |
| RB | 107 | | PPM | AAS |
| SR | 186 | | PPM | AAS |
| ZN | 42 | | PPM | AAS |
