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Sample UAKA-77-147
NavDat sample number 124016 · TRACHYTE
Sample
| Sample ID | UAKA-77-147 |
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| Rock name | TRACHYTE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Whole rock trachyte (ultrapotassic?). Boulder of autobrecciated, purple-red trachyte contained within a red bed fanglomerate unit that underlies flow breccia # 107 (UAKA-77-148). The fanglomerate also contains cobbles and boulders of older crystalline rock and unmetamorphosed pyroxene andesite. |
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Location
| Latitude | 33.5404 |
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| Longitude | -111.687 |
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| Location | Granite Reef Dam Quad., Maricopa Co., AZ |
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| State / province | Arizona |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 18.7 |
|
18.26 |
19.14 |
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Analyses
No chemical analyses are stored for this sample.
