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Sample UAKA-74-122
NavDat sample number 124035 · ANDESITE
Sample
| Sample ID | UAKA-74-122 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
|---|
| Comment | Whole rock, Cabeza Prieta Volcanics andesite. Lowest agglomeratic flow unit on Cabeza Prieta Peak. Clasts over 1 m diameter are common in this 40 m thick unit. It rests on a steep erosion surface cut in Gunnery Range granite, preserving a fossil desert topography. Same volcanic sequence as # 110 (UAKA-76-41) |
Location
| Latitude | 32.2865 |
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| Longitude | -113.81 |
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| Location | Cabeza Prieta Peak Quad., Yuma Co., AZ |
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| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 16.12 |
|
15.71 |
16.53 |
|
|
Analyses
No chemical analyses are stored for this sample.