Sample 91-DJ-32
NavDat sample number 33987 · RHYOLITE
Sample
| Sample ID | 91-DJ-32 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Older Rhyolite |
Location
| Latitude | 39.625 |
|---|---|
| Longitude | -118.25 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 27 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.7 | WT% | WDXRF | |
| AL2O3 | 14.5 | WT% | WDXRF | |
| FEO | 0 | WT% | WET | |
| FE2O3 | 2.65 | WT% | WDXRF | |
| MGO | 0.34 | WT% | WDXRF | |
| CAO | 0.87 | WT% | WDXRF | |
| NA2O | 4.17 | WT% | WDXRF | |
| K2O | 5.06 | WT% | WDXRF | |
| TIO2 | 0.38 | WT% | WDXRF | |
| P2O5 | 0.1 | WT% | WDXRF | |
| MNO | 0.09 | WT% | WDXRF | |
| H2O_PLUS | 0.34 | WT% | WET | |
| H2O_MINUS | 0.07 | WT% | WDXRF | |
| CO2 | 0.07 | WT% | WET | |
| TOTAL | 99.34 | WT% | WDXRF | |
| NB | 24 | PPM | EDXRF | |
| RB | 140 | PPM | EDXRF | |
| SR | 104 | PPM | EDXRF | |
| ZR | 340 | PPM | EDXRF | |
| Y | 34 | PPM | EDXRF | |
| BA | 1600 | PPM | EDXRF | |
| CE | 89 | PPM | EDXRF | |
| LA | 35 | PPM | EDXRF | |
| CU | 12 | PPM | EDXRF | |
| NI | -10 | PPM | EDXRF | |
| ZN | 106 | PPM | EDXRF | |
| CR | -20 | PPM | EDXRF |