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Sample BC144
NavDat sample number 6840 · PHONOLITE
Sample
| Sample ID | BC144 |
|---|
| Rock name | PHONOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | turbulent texture; groundmass of sanidine, chlorite, smectite, kaolinite; phenocrysts of sanidine, anorthoclase, aegirine-augite, feldspathoids?; xenoliths of shale and sandstone |
|---|
Location
| Latitude | 44.6573 |
|---|
| Longitude | -104.764 |
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| Location | Barlow Canyon |
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| State / province | Wyoming |
|---|
| Volcanic field | Barlow Canyon contact zone |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 50.9 |
|
49.2 |
52.6 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.88 | | WT% | XRF |
| AL2O3 | 22.7 | | WT% | XRF |
| FEO | 1.82 | | WT% | XRF |
| MGO | 1.2 | | WT% | XRF |
| CAO | 1.57 | | WT% | XRF |
| NA2O | 2.66 | | WT% | EPMA |
| K2O | 6.53 | | WT% | XRF |
| TIO2 | 0.42 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
