Sample L82-73
NavDat sample number 18293 · BASALT
Sample
| Sample ID | L82-73 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.1333 |
|---|---|
| Longitude | -120.133 |
| 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 | 51.8 | WT% | XRF | |
| TIO2 | 1.94 | WT% | XRF | |
| AL2O3 | 16.48 | WT% | XRF | |
| FE2O3 | 9.77 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 6.61 | WT% | XRF | |
| CAO | 7.63 | WT% | XRF | |
| NA2O | 3.61 | WT% | XRF | |
| K2O | 1.68 | WT% | XRF | |
| P2O5 | 0.53 | WT% | XRF | |
| TOTAL | 100.18 | WT% | XRF | |
| BA | 992 | PPM | XRF | |
| CR | 199 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| NI | 92 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| RB | 23 | PPM | XRF | |
| SC | 18 | PPM | INAA | |
| SR | 995 | PPM | XRF | |
| V | 203 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZN | 110 | PPM | XRF | |
| ZR | 203 | PPM | XRF | |
| LA | 31 | PPM | INAA | |
| CE | 73 | PPM | INAA | |
| ND | 37 | PPM | INAA |