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Sample BE-205A
NavDat sample number 32836 · PYROCLASTIC-FALL
Sample
| Sample ID | BE-205A |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenos of plag, pigeonite, and ox |
|---|
Location
| Latitude | 42.605 |
|---|
| Longitude | -116.55 |
|---|
| Location | exposed in road cut at Mud Flat at entrance to BLM campground |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Little Jacks Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10 |
|
7.6 |
11.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.09 | | WT% | XRF |
| AL2O3 | 12.09 | | WT% | XRF |
| FE2O3 | 2.66 | | WT% | XRF |
| FEO | 0.29 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.56 | | WT% | XRF |
| NA2O | 2.91 | | WT% | XRF |
| K2O | 5.4 | | WT% | XRF |
| H2O_PLUS | 0.58 | | WT% | XRF |
| H2O_MINUS | 0.43 | | WT% | XRF |
| TIO2 | 0.37 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| MNO | 0.021 | | WT% | XRF |
| CO2 | 0.12 | | WT% | XRF |
| TOTAL | 99.591 | | WT% | XRF |
