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Sample UE20H-4201
NavDat sample number 86390 · NOT-GIVEN
Sample
| Sample ID | UE20H-4201 |
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| Rock name | NOT-GIVEN |
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| Rock type | VOLCANIC |
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| Material | IGNEOUS |
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| Comment | This sample of core from 4201 ft depth is greenish gray potassic nonwelded tuff with common pumice to 15 mm, mostly very pale orange and lesser grayish green. Scarce to rare tiny felsics that include very conspicuous quartz to 1 mm, and rare black biotite to 0.3 mm. Scarce to common lithics to 13 mm are mostly grayish red devitrified lava with rare biotite and scarce to rare felsics that include quartz, probably from an older flow of the mafic-poor Calico Hills Formation. |
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Location
| Latitude | 37.27 |
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| Longitude | -116.434 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 12.85 |
|
12.9 |
12.8 |
|
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Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| HFO2 | 4.5882 | | PPM | NAA |
| MNO | 0.043 | | WT% | NAA |
| MN | 0.0333 | | WT% | NAA |
| UO2 | 4.1258 | | PPM | NAA |
