Sample L82-71
NavDat sample number 18292 · BASALT
Sample
| Sample ID | L82-71 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.1333 |
|---|---|
| Longitude | -120.083 |
| State / province | California |
| Volcanic field | Tahoe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.9 | 1.71 | 2.09 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.18 | WT% | XRF | |
| TIO2 | 1.94 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3 | 9.55 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 6.44 | WT% | XRF | |
| CAO | 7.58 | WT% | XRF | |
| NA2O | 3.84 | WT% | XRF | |
| K2O | 1.71 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| TOTAL | 100.35 | WT% | XRF | |
| BA | 920 | PPM | XRF | |
| CR | 185 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| NI | 83 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| RB | 25 | PPM | XRF | |
| SC | 20 | PPM | INAA | |
| SR | 995 | PPM | XRF | |
| V | 189 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZN | 103 | PPM | XRF | |
| ZR | 198 | PPM | XRF | |
| LA | 34 | PPM | INAA | |
| CE | 68 | PPM | INAA | |
| ND | 34 | PPM | INAA |