Sample 90-DJ-23
NavDat sample number 33986 · ANDESITE
Sample
| Sample ID | 90-DJ-23 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Job 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 | 59.6 | WT% | WDXRF | |
| AL2O3 | 16.7 | WT% | WDXRF | |
| FEO | 1.5 | WT% | WET | |
| FE2O3 | 3.84 | WT% | WDXRF | |
| MGO | 2.48 | WT% | WDXRF | |
| CAO | 5.09 | WT% | WDXRF | |
| NA2O | 3.91 | WT% | WDXRF | |
| K2O | 3.15 | WT% | WDXRF | |
| TIO2 | 0.74 | WT% | WDXRF | |
| P2O5 | 0.31 | WT% | WDXRF | |
| MNO | 0.11 | WT% | WDXRF | |
| H2O_PLUS | 1.23 | WT% | WET | |
| H2O_MINUS | 0.09 | WT% | WDXRF | |
| CO2 | 0.32 | WT% | WET | |
| TOTAL | 99.07 | WT% | WDXRF | |
| NB | -10 | PPM | EDXRF | |
| RB | 80 | PPM | EDXRF | |
| SR | 760 | PPM | EDXRF | |
| ZR | 220 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| BA | 1500 | PPM | EDXRF | |
| CE | 52 | PPM | EDXRF | |
| LA | -30 | PPM | EDXRF | |
| CU | 12 | PPM | EDXRF | |
| NI | 12 | PPM | EDXRF | |
| ZN | 110 | PPM | EDXRF | |
| CR | -20 | PPM | EDXRF |