Sample 92-DJ-37
NavDat sample number 33980 · TUFF
Sample
| Sample ID | 92-DJ-37 |
|---|---|
| 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 | 75.9 | WT% | WDXRF | |
| AL2O3 | 12.5 | WT% | WDXRF | |
| FEO | 0.54 | WT% | WET | |
| FE2O3 | 1.22 | WT% | WDXRF | |
| MGO | -0.1 | WT% | WDXRF | |
| CAO | 0.17 | WT% | WDXRF | |
| NA2O | 3.38 | WT% | WDXRF | |
| K2O | 3.66 | WT% | WDXRF | |
| TIO2 | 0.15 | WT% | WDXRF | |
| P2O5 | 0.06 | WT% | WDXRF | |
| MNO | 0.03 | WT% | WDXRF | |
| H2O_PLUS | 1.13 | WT% | WET | |
| H2O_MINUS | 0.43 | WT% | WDXRF | |
| CO2 | 0.14 | WT% | WET | |
| TOTAL | 99.31 | WT% | WDXRF | |
| NB | 45 | PPM | EDXRF | |
| RB | 265 | PPM | EDXRF | |
| SR | 49 | PPM | EDXRF | |
| ZR | 355 | PPM | EDXRF | |
| Y | 50 | PPM | EDXRF | |
| BA | -30 | PPM | EDXRF | |
| CE | 61 | PPM | EDXRF | |
| LA | 41 | PPM | EDXRF | |
| CU | -10 | PPM | EDXRF | |
| NI | -10 | PPM | EDXRF | |
| ZN | 166 | PPM | EDXRF | |
| CR | -10 | PPM | EDXRF |