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Sample 320
NavDat sample number 6996 · TUFF
Sample
| Sample ID | 320 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.5954 |
|---|
| Longitude | -114.377 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic Group, Twin Peaks tuff unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 42 |
|
40 |
44 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.61 | | WT% | XRF |
| AL2O3 | 12.52 | | WT% | XRF |
| TIO2 | 0.23 | | WT% | XRF |
| FE2O3T | 1.79 | | WT% | XRF |
| CAO | 0.77 | | WT% | XRF |
| MGO | 0.32 | | WT% | XRF |
| K2O | 6.85 | | WT% | XRF |
| NA2O | 2.68 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
