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Sample 78V
NavDat sample number 9320 · PYROCLASTIC-FALL
Sample
| Sample ID | 78V |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.9399 |
|---|
| Longitude | -121.604 |
|---|
| 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 | 67.73 | | WT% | AAS |
| TIO2 | 0.59 | | WT% | AAS |
| AL2O3 | 16.35 | | WT% | AAS |
| FEOT | 3.67 | | WT% | AAS |
| MNO | 0.05 | | WT% | AAS |
| MGO | 1.36 | | WT% | AAS |
| CAO | 4.05 | | WT% | AAS |
| NA2O | 3.91 | | WT% | AAS |
| K2O | 2.18 | | WT% | AAS |
| P2O5 | 0.11 | | WT% | AAS |
| TOTAL | 99.59 | | WT% | AAS |
| LOI | 1.64 | | WT% | AAS |
| BA | 994 | | PPM | AAS |
| RB | 56 | | PPM | AAS |
| SR | 296 | | PPM | AAS |
| ZN | 42 | | PPM | AAS |
