Sample D85-68
NavDat sample number 18291 · BASALT
Sample
| Sample ID | D85-68 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 39.75 |
|---|---|
| Longitude | -120.217 |
| State / province | California |
| Volcanic field | Tahoe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.55 | 1.8 | 5.3 | Pliocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 49.7 | WT% | XRF | |
| TIO2 | 1.01 | WT% | XRF | |
| AL2O3 | 19.24 | WT% | XRF | |
| FE2O3 | 10.04 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 5.37 | WT% | XRF | |
| CAO | 8.78 | WT% | XRF | |
| NA2O | 3.83 | WT% | XRF | |
| K2O | 0.76 | WT% | XRF | |
| P2O5 | 0.79 | WT% | XRF | |
| TOTAL | 99.67 | WT% | XRF | |
| BA | 440 | PPM | XRF | |
| CO | 35 | PPM | XRF | |
| CR | 31 | PPM | XRF | |
| CS | 0.7 | PPM | INAA | |
| CU | 123 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| NI | 36 | PPM | XRF | |
| PB | 4 | PPM | XRF | |
| RB | 6 | PPM | XRF | |
| SC | 25 | PPM | INAA | |
| SR | 702 | PPM | XRF | |
| TA | 0.16 | PPM | INAA | |
| TH | 1.06 | PPM | INAA | |
| U | 0.69 | PPM | INAA | |
| V | 233 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZN | 77 | PPM | XRF | |
| ZR | 61 | PPM | XRF | |
| LA | 9 | PPM | INAA | |
| CE | 21 | PPM | INAA | |
| ND | 16 | PPM | INAA | |
| SM | 3.4 | PPM | INAA | |
| EU | 1.14 | PPM | INAA | |
| GD | 2.5 | PPM | XRF | |
| TB | 0.62 | PPM | INAA | |
| HO | 0.57 | PPM | XRF | |
| TM | 0.2 | PPM | XRF | |
| YB | 1.85 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| HF | 2.03 | PPM | INAA | |
| SR87_SR86 | 0.70425 | MS | ||
| ND143_ND144 | 0.51277 | MS | ||
| PB206_PB204 | 18.887 | MS | ||
| PB207_PB204 | 15.622 | MS | ||
| PB208_PB204 | 38.623 | MS |