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Sample 240
NavDat sample number 6993 · PYROCLASTIC-FALL
Sample
| Sample ID | 240 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.5962 |
|---|
| Longitude | -114.33 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic Group, Rhyolite of Red Butte |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 44.5 |
|
42 |
47 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.35 | | WT% | XRF |
| AL2O3 | 14.06 | | WT% | XRF |
| TIO2 | 0.47 | | WT% | XRF |
| FE2O3T | 3.19 | | WT% | XRF |
| CAO | 2.16 | | WT% | XRF |
| MGO | 0.88 | | WT% | XRF |
| K2O | 5.37 | | WT% | XRF |
| NA2O | 3.28 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
