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Sample 270
NavDat sample number 5434 · PYROCLASTIC-FLOW
Sample
| Sample ID | 270 |
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| Rock name | PYROCLASTIC-FLOW |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Guild Mine Member, Mickey Pass Tuff, map unit 1, 550 feet above base. From canyon 4,000 feet northeast of Mickey Pass |
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Location
| Latitude | 38.9861 |
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| Longitude | -119.233 |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33.4 |
|
1.8 |
65 |
Tertiary |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.93 | | WT% | XRF |
| TIO2 | 0.23 | | WT% | XRF |
| AL2O3 | 12.67 | | WT% | XRF |
| FEO | 0.13 | | WT% | WET |
| FE2O3T | 1.57 | | WT% | XRF |
| MNO | 0.11 | | WT% | COL |
| MGO | 0.3 | | WT% | FPHOT |
| CAO | 1.09 | | WT% | XRF |
| NA2O | 2.7 | | WT% | FPHOT |
| K2O | 4.35 | | WT% | XRF |
| H2O_PLUS | 1.62 | | WT% | WET |
| CO2 | 0.38 | | WT% | WET |
| SR | 0.009 | | PPM | XRF |
| RB | 0.018 | | PPM | XRF |
| ZR | 0.012 | | PPM | XRF |
| S | 0.005 | | PPM | WET |
