Sample 642
NavDat sample number 18053 · BASALT
Sample
| Sample ID | 642 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 33.0289 |
|---|---|
| Longitude | -108.166 |
| Location | Roberts Lake Dam |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 20.6 | 19.8 | 21.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 908 | PPM | EDXRF | |
| CR | 185 | PPM | EDXRF | |
| HF | 7.9 | PPM | EDXRF | |
| NI | 92 | PPM | EDXRF | |
| RB | 67 | PPM | EDXRF | |
| SC | 22.5 | PPM | EDXRF | |
| SR | 662 | PPM | EDXRF | |
| TA | 1.3 | PPM | EDXRF | |
| TH | 4.6 | PPM | EDXRF | |
| V | 294 | PPM | EDXRF | |
| Y | 29 | PPM | EDXRF | |
| ZN | 105 | PPM | EDXRF | |
| ZR | 225 | PPM | EDXRF | |
| LA | 36.3 | PPM | EDXRF | |
| CE | 75 | PPM | EDXRF | |
| ND | 56 | PPM | EDXRF | |
| SM | 9.6 | PPM | EDXRF | |
| EU | 2.41 | PPM | EDXRF | |
| TB | 0.56 | PPM | EDXRF | |
| YB | 3.03 | PPM | EDXRF | |
| LU | 0.45 | PPM | EDXRF | |
| SIO2 | 47.37 | WT% | EDXRF | |
| TIO2 | 2.28 | WT% | EDXRF | |
| AL2O3 | 15.65 | WT% | EDXRF | |
| FEO | 0.96 | WT% | EDXRF | |
| FE2O3 | 11.13 | WT% | EDXRF | |
| MNO | 0.23 | WT% | EDXRF | |
| MGO | 5.31 | WT% | EDXRF | |
| CAO | 7.55 | WT% | EDXRF | |
| NA2O | 3.22 | WT% | EDXRF | |
| K2O | 2.04 | WT% | EDXRF | |
| P2O5 | 0.58 | WT% | EDXRF | |
| H2O_PLUS | 1.39 | WT% | EDXRF | |
| TOTAL | 100.09 | WT% | EDXRF |