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Sample DS74A9
NavDat sample number 84267 · NOT-GIVEN
Sample
| Sample ID | DS74A9 |
|---|
| Rock name | NOT-GIVEN |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Medium light gray vitric lava with very abundant black mafics, mostly biotite, with lesser hornblende. Felsic abundance very difficult to estimate in light vitric matrix, but apparently abundant, with twinned plagioclase, sanidine, and quartz all observed. One small light green clinopyroxene, and one 4 mm glomerocryst of hornblende observed. |
Location
| Latitude | 37.4201 |
|---|
| Longitude | -116.038 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 15.515 |
|
15.53 |
15.5 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| AL2O3 | 13.64 | | WT% | XRF |
| BAO | 1148.86 | | PPM | XRF |
| BA | 1029 | | PPM | XRF |
| CAO | 1.365 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| FE2O3 | 2.224 | | WT% | XRF |
| K2O | 5.129 | | WT% | XRF |
| LOI | 3.19 | | WT% | XRF |
| MGO | 0.3661 | | WT% | XRF |
| MNO | 0.0589 | | WT% | XRF |
| MN | 0.0456 | | WT% | XRF |
| NA2O | 3.155 | | WT% | XRF |
| NB2O5 | 36.5643 | | PPM | XRF |
| NIO | 9.5052 | | PPM | XRF |
| NI | 7.469 | | PPM | XRF |
| P2O5 | 0.0657 | | WT% | XRF |
| RB2O | 224.842 | | PPM | XRF |
| SIO2 | 70 | | WT% | XRF |
| SRO | 276.135 | | PPM | XRF |
| TIO2 | 0.2945 | | WT% | XRF |
| TOTAL | 99.48 | | WT% | XRF |
| V2O3 | 24.3753 | | PPM | XRF |
| Y2O3 | 41.7927 | | PPM | XRF |
| ZNO | 71.3474 | | PPM | XRF |
| ZN | 57.32 | | PPM | XRF |
| ZRO2 | 402.133 | | PPM | XRF |
| ZR | 297.7 | | PPM | XRF |