Sample L82-85
NavDat sample number 18300 · TRACHYANDESITE
Sample
| Sample ID | L82-85 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.5833 |
|---|---|
| Longitude | -119.067 |
| State / province | Nevada |
| Volcanic field | Churchill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.9 | 0 | 1.8 | Quaternary |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.86 | WT% | XRF | |
| TIO2 | 1.6 | WT% | XRF | |
| AL2O3 | 17.62 | WT% | XRF | |
| FE2O3 | 8.43 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.36 | WT% | XRF | |
| CAO | 6.69 | WT% | XRF | |
| NA2O | 4.22 | WT% | XRF | |
| K2O | 2.15 | WT% | XRF | |
| P2O5 | 0.53 | WT% | XRF | |
| TOTAL | 99.6 | WT% | XRF | |
| BA | 968 | PPM | XRF | |
| CO | 22 | PPM | XRF | |
| CR | 55 | PPM | XRF | |
| CS | 1 | PPM | INAA | |
| CU | 23 | PPM | XRF | |
| NB | 34 | PPM | XRF | |
| NI | 24 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| RB | 35 | PPM | XRF | |
| SC | 18 | PPM | INAA | |
| SR | 775 | PPM | XRF | |
| TA | 2.31 | PPM | INAA | |
| TH | 3.42 | PPM | INAA | |
| U | 1.26 | PPM | INAA | |
| V | 156 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZN | 85 | PPM | XRF | |
| ZR | 242 | PPM | XRF | |
| LA | 31 | PPM | INAA | |
| CE | 67 | PPM | INAA | |
| ND | 33 | PPM | INAA | |
| SM | 6.78 | PPM | INAA | |
| EU | 1.96 | PPM | INAA | |
| GD | 4.69 | PPM | XRF | |
| TB | 0.93 | PPM | INAA | |
| HO | 0.79 | PPM | XRF | |
| YB | 2.57 | PPM | INAA | |
| LU | 0.43 | PPM | INAA | |
| HF | 5.52 | PPM | INAA | |
| SR87_SR86 | 0.70447 | MS | ||
| PB206_PB204 | 18.99 | MS | ||
| PB207_PB204 | 15.66 | MS | ||
| PB208_PB204 | 38.799 | MS |