Sample 91-DJ-41
NavDat sample number 33981 · TUFF
Sample
| Sample ID | 91-DJ-41 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Poco Canyon caldera |
Location
| Latitude | 39.625 |
|---|---|
| Longitude | -118.25 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.3 | 23.3 | 29.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.3 | WT% | WDXRF | |
| AL2O3 | 12.1 | WT% | WDXRF | |
| FEO | 0 | WT% | WET | |
| FE2O3 | 1.55 | WT% | WDXRF | |
| MGO | 0.12 | WT% | WDXRF | |
| CAO | 0.35 | WT% | WDXRF | |
| NA2O | 3.55 | WT% | WDXRF | |
| K2O | 4.68 | WT% | WDXRF | |
| TIO2 | 0.11 | WT% | WDXRF | |
| P2O5 | -0.05 | WT% | WDXRF | |
| MNO | 0.03 | WT% | WDXRF | |
| H2O_PLUS | 0.41 | WT% | WET | |
| H2O_MINUS | 0.1 | WT% | WDXRF | |
| CO2 | 0.04 | WT% | WET | |
| TOTAL | 99.34 | WT% | WDXRF | |
| NB | 37 | PPM | EDXRF | |
| RB | 196 | PPM | EDXRF | |
| SR | 37 | PPM | EDXRF | |
| ZR | 225 | PPM | EDXRF | |
| Y | 46 | PPM | EDXRF | |
| BA | 118 | PPM | EDXRF | |
| CE | 114 | PPM | EDXRF | |
| LA | 54 | PPM | EDXRF | |
| CU | 10 | PPM | EDXRF | |
| NI | -10 | PPM | EDXRF | |
| ZN | 112 | PPM | EDXRF | |
| CR | -20 | PPM | EDXRF |