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Sample BE-547
NavDat sample number 32826 · PYROCLASTIC-FLOW
Sample
| Sample ID | BE-547 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Comment | flow-layered; strong vapor-phase crystallization with tridymite and K-feldspar; phenos of K-feldspar, qtz, and altered mafics |
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Location
| Latitude | 42.4 |
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| Longitude | -116.806 |
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| Location | on road between Trout Spring and Bull Basin |
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| State / province | Idaho |
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| Volcanic field | devitrified upper-lobes tuff of Juniper Mountain |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.9 |
|
13.4 |
14.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 76.66 | | WT% | XRF |
| AL2O3 | 11.89 | | WT% | XRF |
| FE2O3 | 1.55 | | WT% | XRF |
| FEO | 0.12 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.33 | | WT% | XRF |
| NA2O | 3.06 | | WT% | XRF |
| K2O | 5.38 | | WT% | XRF |
| H2O_PLUS | 0.25 | | WT% | XRF |
| H2O_MINUS | 0.29 | | WT% | XRF |
| TIO2 | 0.19 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| MNO | 0.019 | | WT% | XRF |
| CO2 | 0.09 | | WT% | XRF |
| TOTAL | 99.88 | | WT% | XRF |
