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Sample UAKA-73-70
NavDat sample number 123977 · PEGMATITE
Sample
| Sample ID | UAKA-73-70 |
|---|
| Rock name | PEGMATITE |
|---|
| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Muscovite, Pegmatite Thin dike in foliated to gneissic quartz monzonite of the sothern Baboquivari Mtns. The dikes have a northerly strike. Preliminary zircon U-Pb data indicates a Jurassic age for the host rocks, (Haxel and other, this vol). The K-Ar clock was reset by a mid Tertiary thermal event |
Location
| Latitude | 31.5833 |
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| Longitude | -111.593 |
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| Location | Presumidio Peak Quad., Yuma Co., AZ |
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| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 30.3 |
|
29.7 |
30.9 |
|
|
Analyses
No chemical analyses are stored for this sample.