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Sample BE-487
NavDat sample number 32827 · TUFF
Sample
| Sample ID | BE-487 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | flow-layered, phenocrysts rich; phenos of K-feldspar, plag, qtz, altered mafics, and accessory zircon, apatite, and allanite |
|---|
Location
| Latitude | 42.25 |
|---|
| Longitude | -116.75 |
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| Location | Owyhee River canyon south of Lambert Table |
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| State / province | Idaho |
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| Volcanic field | devitrified tuff of The Badlands |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12 |
|
11.8 |
12.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.22 | | WT% | XRF |
| AL2O3 | 12.65 | | WT% | XRF |
| FE2O3 | 1.85 | | WT% | XRF |
| FEO | 0.17 | | WT% | XRF |
| MGO | 0.04 | | WT% | XRF |
| CAO | 0.74 | | WT% | XRF |
| NA2O | 3.02 | | WT% | XRF |
| K2O | 5.48 | | WT% | XRF |
| H2O_PLUS | 0.27 | | WT% | XRF |
| H2O_MINUS | 0.38 | | WT% | XRF |
| TIO2 | 0.29 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
| MNO | 0.026 | | WT% | XRF |
| CO2 | 0.27 | | WT% | XRF |
| TOTAL | 100.49 | | WT% | XRF |
