Sample L82-140
NavDat sample number 18348 · TRACHYANDESITE
Sample
| Sample ID | L82-140 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.4667 |
|---|---|
| Longitude | -118.017 |
| State / province | Nevada |
| Volcanic field | Mina |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 15.1 | 13.59 | 16.61 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.75 | WT% | XRF | |
| TIO2 | 0.58 | WT% | XRF | |
| AL2O3 | 17.57 | WT% | XRF | |
| FE2O3 | 5.03 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 1.8 | WT% | XRF | |
| CAO | 4.46 | WT% | XRF | |
| NA2O | 4.61 | WT% | XRF | |
| K2O | 2.27 | WT% | XRF | |
| P2O5 | 0.3 | WT% | XRF | |
| TOTAL | 99.47 | WT% | XRF | |
| BA | 1278 | PPM | XRF | |
| CR | 12 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| NI | 2 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| RB | 27 | PPM | XRF | |
| SC | 9 | PPM | INAA | |
| SR | 747 | PPM | XRF | |
| V | 69 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| ZR | 204 | PPM | XRF | |
| LA | 22 | PPM | INAA | |
| CE | 52 | PPM | INAA | |
| ND | 26 | PPM | INAA |