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Sample PR95/25
NavDat sample number 85937 · TUFF
Sample
| Sample ID | PR95/25 |
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| Rock name | TUFF |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Samples PR95/24-28 were collected from an 8.7 m thick basaltic dike trending N40W and along a 0.7 m thick pumice fall trending N55E. PR95/25 is friable medium gray, coarse-grained and partially recrystallized massive bedded tuff sampled 30 cm from the contact with basalt. Bedding layers are fairly well preserved in this sample. |
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Location
| Latitude | 37.1072 |
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| Longitude | -115.978 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.74 |
|
11.8 |
11.68 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AL2O3 | 12.23 | | WT% | XRF |
| BAO | 363.079 | | PPM | XRF |
| BA | 325.2 | | PPM | XRF |
| CAO | 0.8626 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| FE2O3 | 0.8822 | | WT% | XRF |
| K2O | 4.593 | | WT% | XRF |
| LOI | 2.94 | | WT% | XRF |
| MGO | 0.2027 | | WT% | XRF |
| MNO | 0.0662 | | WT% | XRF |
| MN | 0.0513 | | WT% | XRF |
| NA2O | 2.934 | | WT% | XRF |
| NB2O5 | 29.1685 | | PPM | XRF |
| NIO | 13.0953 | | PPM | XRF |
| NI | 10.29 | | PPM | XRF |
| P2O5 | 0.0226 | | WT% | XRF |
| RB2O | 215.547 | | PPM | XRF |
| SIO2 | 74.31 | | WT% | XRF |
| SRO | 108.585 | | PPM | XRF |
| TIO2 | 0.0912 | | WT% | XRF |
| TOTAL | 99.12 | | WT% | XRF |
| V2O3 | | | PPM | XRF |
| Y2O3 | 41.2975 | | PPM | XRF |
| ZNO | 60.7672 | | PPM | XRF |
| ZN | 48.82 | | PPM | XRF |
| ZRO2 | 142.78 | | PPM | XRF |
| ZR | 105.7 | | PPM | XRF |
